{"title":"D.I.D","description":"\u003ch3\u003e\u003cspan\u003eD.I.D – Premium Motorcycle Chains \u0026amp; Sprocket Accessories\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eExperience world-class performance with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eD.I.D\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, one of the world's leading manufacturers of premium motorcycle drive chains, trusted by professional racing teams and motorcycle manufacturers worldwide.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRenowned for exceptional strength, durability and reliability, D.I.D chains are engineered using advanced Japanese technology to deliver outstanding performance in even the toughest riding conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFrom professional motocross and supercross racing to enduro, road and adventure riding, D.I.D has built a reputation for producing high-performance chains that riders can depend on.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eExplore the D.I.D Range at MX Unlimited:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMotocross \u0026amp; Enduro Chains\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – High-performance drive chains designed to withstand demanding off-road conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHeavy-Duty Drive Chains\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Engineered for exceptional strength, durability and long-lasting performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eX-Ring \u0026amp; O-Ring Chains\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Advanced sealed chain technology designed to reduce friction and extend chain life.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRacing Chains\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Lightweight, high-strength chains developed for competitive motorsport.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eChain Links \u0026amp; Accessories\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Essential connecting links and replacement components for motorcycle chain maintenance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWide Range of Fitments\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e – Quality drive chains suitable for leading motocross, enduro and road motorcycle manufacturers.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're preparing for race day, replacing a worn chain or upgrading your motorcycle's drivetrain, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eD.I.D delivers the strength, reliability and race-proven performance you can trust\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eShop D.I.D motorcycle chains and accessories at MX Unlimited today!\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","products":[{"product_id":"8253","title":"D.I.D Chain LINK 428 G\u0026B RJ","description":"\u003cspan data-mce-fragment=\"1\"\u003eD.I.D is the world's number one OE parts supplier for Japanese and European motorcycle manufacturers and offers superior motorcycle chains and rims. Mainly for Non-O-ring type chains on smaller size motorcycles. No special tools needed.\u003c\/span\u003e","brand":"D.I.D","offers":[{"title":"Default Title","offer_id":50765532561737,"sku":"DID-L-428DGBRJ","price":1.53,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/5538\/5161\/files\/SPLITLINK_774cf294-1fa8-4b1e-9204-2f91c0c07cce.jpg?v=1758295483"},{"product_id":"8056","title":"D.I.D Chain LINK 520 ERVT G\u0026G FJ","description":"\u003cspan data-mce-fragment=\"1\"\u003eD.I.D is the world's number one OE parts supplier for Japanese and European motorcycle manufacturers and offers superior motorcycle chains and rims. Mainly for Non-O-ring type chains on smaller size motorcycles. No special tools needed.\u003c\/span\u003e","brand":"D.I.D","offers":[{"title":"Default Title","offer_id":50765563593033,"sku":"DID-L-520ERVTGGFJ","price":3.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/5538\/5161\/files\/CL520VXGB.jpg?v=1758295717"},{"product_id":"7988","title":"D.I.D Chain 428 D G\u0026B X 134 L (RJ)","description":"\u003cspan data-mce-fragment=\"1\"\u003eD.I.D is the world's number one OE parts supplier for Japanese and European motorcycle manufacturers and offers superior motorcycle chains and rims. D.I.D brand drive chains and aluminium rims are all manufactured in Kaga, Ishikawa prefecture, Japan and supplied through motorcycle dealers worldwide. These top quality products are meticulously made by skilled technicians in order to provide outstanding performance for all riders. World’s #1 Genuine Parts Manufacturer - UNCOMPROMISED QUALITY POWERED BY TECHNOLOGY - SINCE 1933 Performance - Pin flex robs your bike of its horsepower. Chain elongation is caused by pin wear. The high rigidity of D.I.D pins means a quicker response, resistance from chain elongation, and smoother handling. Rigidity is D.I.D’s original concept born from years of experience in MotoGP development. Rigidity in a chain means resistance to chain deformation and elongation. SDH pin treatment creates an extremely hard chromium carbide layer on the pin’s surface. The inner core remains soft to absorb shock loads. D.I.D’s patented X-Ring holds lubrication within the bushing increasing the pin and chain life by 1.5 - 2X. D.I.D’s patented X-Ring is superior to other O-Ring designs. The X-Ring construction reduces friction by twisting between the side plate instead of being squashed. DID 415 S is affordable, durable and reliable making it the leading choice in the motorcycle industry for light applications.\u003c\/span\u003e","brand":"D.I.D","offers":[{"title":"Default Title","offer_id":50765574865225,"sku":"DID428DGB134","price":25.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/5538\/5161\/files\/428DGB134.jpg?v=1758295828"},{"product_id":"7976","title":"D.I.D Chain LINK 415 S RJ","description":"\u003cspan data-mce-fragment=\"1\"\u003eD.I.D is the world's number one OE parts supplier for Japanese and European motorcycle manufacturers and offers supperior motorcycle chains and rims. Mainly for Non-O-ring type chains on smaller size motorcycles. No special tools needed.\u003c\/span\u003e","brand":"D.I.D","offers":[{"title":"Default Title","offer_id":50765575029065,"sku":"DID-L-415SRJ","price":0.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/5538\/5161\/files\/download.jpg?v=1758295832"},{"product_id":"7975","title":"D.I.D Chain 428 NZ Black X 134","description":"\u003cspan data-mce-fragment=\"1\"\u003eD.I.D is the world's number one OE parts supplier for Japanese and European motorcycle manufacturers and offers supperior motorcycle chains and rims. D.I.D brand drive chains and aluminum rims are all manufactured in Kaga, Ishikawa prefecture, Japan and supplied through motorcycle dealers worldwide. These top quality products are meticulously made by skilled technicians in order to provide outstanding performance for all riders. World’s #1 Genuine Parts Manufacturer - UNCOMPROMISED QUALITY POWERED BY TECHNOLOGY - SINCE 1933 Performance - Pin flex robs your bike of its horsepower. Chain elongation is caused by pin wear. The high rigidity of D.I.D pins means a quicker response, resistance from chain elongation, and smoother handling. Rigidity is D.I.D’s original concept born from years of experience in MotoGP development. Rigidity in a chain means resistance to chain deformation and elongation. SDH pin treatment creates an extremely hard chromium carbide layer on the pin’s surface. The inner core remains soft to absorb shock loads. D.I.D’s patented X-Ring holds lubrication within the bushing increasing the pin and chain life by 1.5 - 2X. D.I.D’s patented X-Ring is superior to other O-Ring designs. The X-Ring construction reduces friction by twisting between the side plate instead of being squashed. DID 415 S is affordable, durable and reliable making it the leading choice in the motorcycle industry for light applications.\u003c\/span\u003e","brand":"D.I.D","offers":[{"title":"Default Title","offer_id":50765575651657,"sku":"DID428NZ134","price":46.35,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/5538\/5161\/files\/428x134nzblack.webp?v=1758295835"},{"product_id":"7974","title":"D.I.D Chain 415 ERZ X 130","description":"\u003cspan data-mce-fragment=\"1\"\u003eD.I.D is the world's number one OE parts supplier for Japanese and European motorcycle manufacturers and offers superior motorcycle chains and rims. D.I.D brand drive chains and aluminium rims are all manufactured in Kaga, Ishikawa prefecture, Japan and supplied through motorcycle dealers worldwide. These top quality products are meticulously made by skilled technicians in order to provide outstanding performance for all riders. World’s #1 Genuine Parts Manufacturer - UNCOMPROMISED QUALITY POWERED BY TECHNOLOGY - SINCE 1933 Performance - Pin flex robs your bike of its horsepower. Chain elongation is caused by pin wear. The high rigidity of D.I.D pins means a quicker response, resistance from chain elongation, and smoother handling. Rigidity is D.I.D’s original concept born from years of experience in MotoGP development. Rigidity in a chain means resistance to chain deformation and elongation. SDH pin treatment creates an extremely hard chromium carbide layer on the pin’s surface. The inner core remains soft to absorb shock loads. D.I.D’s patented X-Ring holds lubrication within the bushing increasing the pin and chain life by 1.5 - 2X. D.I.D’s patented X-Ring is superior to other O-Ring designs. The X-Ring construction reduces friction by twisting between the side plate instead of being squashed. DID 415 S is affordable, durable and reliable making it the leading choice in the motorcycle industry for light applications.\u003c\/span\u003e","brand":"D.I.D","offers":[{"title":"Default Title","offer_id":50765575815497,"sku":"DID415ERZGG130","price":62.34,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/5538\/5161\/files\/415erzg_1024x1024_a64d4d4d-0184-4edd-a39f-66d4c7a566ec.webp?v=1758295837"},{"product_id":"d-i-d-chain-415-s-x-130","title":"D.I.D Chain 415 S X 130","description":"\u003cp\u003eD.I.D is the world's number one OE parts supplier for Japanese and European motorcycle manufacturers and offers superior motorcycle chains and rims. D.I.D brand drive chains and aluminium rims are all manufactured in Kaga, Ishikawa prefecture, Japan and supplied through motorcycle dealers worldwide. These top quality products are meticulously made by skilled technicians in order to provide outstanding performance for all riders. World’s #1 Genuine Parts Manufacturer - UNCOMPROMISED QUALITY POWERED BY TECHNOLOGY - SINCE 1933 Performance - Pin flex robs your bike of its horsepower. Chain elongation is caused by pin wear. The high rigidity of D.I.D pins means a quicker response, resistance from chain elongation, and smoother handling. Rigidity is D.I.D’s original concept born from years of experience in MotoGP development. Rigidity in a chain means resistance to chain deformation and elongation. SDH pin treatment creates an extremely hard chromium carbide layer on the pin’s surface. The inner core remains soft to absorb shock loads. D.I.D’s patented X-Ring holds lubrication within the bushing increasing the pin and chain life by 1.5 - 2X. D.I.D’s patented X-Ring is superior to other O-Ring designs. The X-Ring construction reduces friction by twisting between the side plate instead of being squashed. DID 415 S is affordable, durable and reliable making it the leading choice in the motorcycle industry for light applications.\u003c\/p\u003e","brand":"D.I.D","offers":[{"title":"Default Title","offer_id":50765897793865,"sku":"DID415S130","price":16.59,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/5538\/5161\/files\/DID415S130.jpg?v=1758298362"},{"product_id":"d-i-d-chain-420-d-g-b-x-134-rj","title":"D.I.D Chain 420 D G\u0026B X 134 (RJ)","description":"\u003cp\u003eD.I.D is the world's number one OE parts supplier for Japanese and European motorcycle manufacturers and offers supperior motorcycle chains and rims. D.I.D brand drive chains and aluminum rims are all manufactured in Kaga, Ishikawa prefecture, Japan and supplied through motorcycle dealers worldwide. These top quality products are meticulously made by skilled technicians in order to provide outstanding performance for all riders. World�s #1 Genuine Parts Manufacturer - UNCOMPROMISED QUALITY POWERED BY TECHNOLOGY - SINCE 1933 Performance -  Pin flex robs your bike of its horsepower. Chain elongation is caused by pin wear.  The high rigidity of D.I.D pins means a quicker response, resistance from chain elongation, and smoother handling. Rigidity is D.I.D�s original concept born from years of experience in MotoGP development. Rigidity in a chain means resistance to chain deformation and elongation.  SDH pin treatment creates an extremely hard chromium carbide layer on the pin�s surface.  The inner core remains soft to absorb shock loads. D.I.D�s patented X-Ring holds lubrication within the bushing increasing the pin and chain life by 1.5 - 2X. D.I.D�s patented X-Ring is superior to other O-Ring designs. The X-Ring construction reduces friction by twisting between the side plate instead of being squashed.  MOTOCROSS MONSTER - The 420MX chain has the highest rating tensile strength in the D.I.D. line up making it optimal for off-road racing. TOUGHEST OFF ROAD CHAIN - This super strong chain is the one you can depend on to handle toughest race.\u003c\/p\u003e","brand":"D.I.D","offers":[{"title":"Default Title","offer_id":50765898056009,"sku":"DID420DGB134","price":20.65,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/5538\/5161\/files\/420D120L_e30c543b-2b3d-4a73-8a9a-d7d4a902aa92.jpg?v=1758298365"},{"product_id":"d-i-d-chain-420-nz3-g-b-x-134","title":"D.I.D Chain 420 NZ3 G\u0026B X 134","description":"\u003cp\u003eD.I.D is the world's number one OE parts supplier for Japanese and European motorcycle manufacturers and offers supperior motorcycle chains and rims. D.I.D brand drive chains and aluminum rims are all manufactured in Kaga, Ishikawa prefecture, Japan and supplied through motorcycle dealers worldwide. These top quality products are meticulously made by skilled technicians in order to provide outstanding performance for all riders. World’s #1 Genuine Parts Manufacturer - UNCOMPROMISED QUALITY POWERED BY TECHNOLOGY - SINCE 1933 Performance -  Pin flex robs your bike of its horsepower. Chain elongation is caused by pin wear.  The high rigidity of D.I.D pins means a quicker response, resistance from chain elongation, and smoother handling. Rigidity is D.I.D’s original concept born from years of experience in MotoGP development. Rigidity in a chain means resistance to chain deformation and elongation.  SDH pin treatment creates an extremely hard chromium carbide layer on the pin’s surface.  The inner core remains soft to absorb shock loads. D.I.D’s patented X-Ring holds lubrication within the bushing increasing the pin and chain life by 1.5 - 2X. D.I.D’s patented X-Ring is superior to other O-Ring designs. The X-Ring construction reduces friction by twisting between the side plate instead of being squashed. MADE FOR FUTURE CHAMPIONS Made for future champions, the NZ series includes premium chains specifically for mini bike racing\u003c\/p\u003e","brand":"D.I.D","offers":[{"title":"Default Title","offer_id":50765898285385,"sku":"DID420NZGB134","price":39.81,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/5538\/5161\/files\/DID_420_NZ3_134.jpg?v=1758298367"},{"product_id":"d-i-d-chain-428-nz-g-b-x-134","title":"D.I.D Chain 428 NZ G\u0026B X 134","description":"\u003cp\u003eD.I.D is the world's number one OE parts supplier for Japanese and European motorcycle manufacturers and offers supperior motorcycle chains and rims. D.I.D brand drive chains and aluminum rims are all manufactured in Kaga, Ishikawa prefecture, Japan and supplied through motorcycle dealers worldwide. These top quality products are meticulously made by skilled technicians in order to provide outstanding performance for all riders. World’s #1 Genuine Parts Manufacturer - UNCOMPROMISED QUALITY POWERED BY TECHNOLOGY - SINCE 1933 Performance -  Pin flex robs your bike of its horsepower. Chain elongation is caused by pin wear.  The high rigidity of D.I.D pins means a quicker response, resistance from chain elongation, and smoother handling. Rigidity is D.I.D’s original concept born from years of experience in MotoGP development. Rigidity in a chain means resistance to chain deformation and elongation.  SDH pin treatment creates an extremely hard chromium carbide layer on the pin’s surface.  The inner core remains soft to absorb shock loads. D.I.D’s patented X-Ring holds lubrication within the bushing increasing the pin and chain life by 1.5 - 2X. D.I.D’s patented X-Ring is superior to other O-Ring designs. The X-Ring construction reduces friction by twisting between the side plate instead of being squashed. MADE FOR FUTURE CHAMPIONS Made for future champions, the NZ series includes premium chains specifically for mini bike racing\u003c\/p\u003e","brand":"D.I.D","offers":[{"title":"Default Title","offer_id":50765898449225,"sku":"DID428NZGB134","price":55.15,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/5538\/5161\/files\/DID_428NZ_Gold_Chain_with_split_link_grande_a6d887d6-d402-47b3-9f74-cd9b90dfaa0a.jpg?v=1758298370"},{"product_id":"d-i-d-chain-520-dz-2-g-b-x-120-rb-sdh","title":"D.I.D Chain 520 DZ 2 G\u0026B X 120 RB (SDH)","description":"\u003cp\u003eD.I.D is the world's number one OE parts supplier for Japanese and European motorcycle manufacturers and offers supperior motorcycle chains and rims. D.I.D brand drive chains and aluminum rims are all manufactured in Kaga, Ishikawa prefecture, Japan and supplied through motorcycle dealers worldwide. These top quality products are meticulously made by skilled technicians in order to provide outstanding performance for all riders. World’s #1 Genuine Parts Manufacturer - UNCOMPROMISED QUALITY POWERED BY TECHNOLOGY - SINCE 1933 Performance -  Pin flex robs your bike of its horsepower. Chain elongation is caused by pin wear.  The high rigidity of D.I.D pins means a quicker response, resistance from chain elongation, and smoother handling. Rigidity is D.I.D’s original concept born from years of experience in MotoGP development. Rigidity in a chain means resistance to chain deformation and elongation.  SDH pin treatment creates an extremely hard chromium carbide layer on the pin’s surface.  The inner core remains soft to absorb shock loads. D.I.D’s patented X-Ring holds lubrication within the bushing increasing the pin and chain life by 1.5 - 2X. D.I.D’s patented X-Ring is superior to other O-Ring designs. The X-Ring construction reduces friction by twisting between the side plate instead of being squashed.  GREAT VALUE \/ HIGH PERFORMANCE The 520DZ2 is budget-friendly, high-performance racing chain designed specifically with local motocross champions in mind. LONGER CHAIN LIFE Designed to meet demand of even the most gruelling MX tracks with SDH technology which leads to longer chain life.\u003c\/p\u003e","brand":"D.I.D","offers":[{"title":"Default Title","offer_id":50765898580297,"sku":"DID520DZGB120","price":57.41,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/5538\/5161\/files\/520dz2.jpg?v=1758298372"},{"product_id":"d-i-d-chain-520-er-t-3-g-g-x-120-l-rj","title":"D.I.D Chain 520 ER-T 3 G\u0026G X 120 L (RJ)","description":"\u003cp\u003eD.I.D is the world's number one OE parts supplier for Japanese and European motorcycle manufacturers and offers supperior motorcycle chains and rims. D.I.D brand drive chains and aluminum rims are all manufactured in Kaga, Ishikawa prefecture, Japan and supplied through motorcycle dealers worldwide. These top quality products are meticulously made by skilled technicians in order to provide outstanding performance for all riders. World’s #1 Genuine Parts Manufacturer - UNCOMPROMISED QUALITY POWERED BY TECHNOLOGY - SINCE 1933 Performance -  Pin flex robs your bike of its horsepower. Chain elongation is caused by pin wear.  The high rigidity of D.I.D pins means a quicker response, resistance from chain elongation, and smoother handling. Rigidity is D.I.D’s original concept born from years of experience in MotoGP development. Rigidity in a chain means resistance to chain deformation and elongation.  SDH pin treatment creates an extremely hard chromium carbide layer on the pin’s surface.  The inner core remains soft to absorb shock loads. D.I.D’s patented X-Ring holds lubrication within the bushing increasing the pin and chain life by 1.5 - 2X. D.I.D’s patented X-Ring is superior to other O-Ring designs. The X-Ring construction reduces friction by twisting between the side plate instead of being squashed.  THE CUTTING EDGE With uncompromisable strength, the 520ERT3 has 25% greater anti-shock performance and a 5% higher tensile strength than the previous generation chain without any added weight. CHAIN OF CHOICE FOR THE TOP AMA TEAMS! The 520ERT3 is our lightest motocross racing chain used by AMA factory teams such as KTM, Yamaha, and Kawasaki.\u003c\/p\u003e","brand":"D.I.D","offers":[{"title":"Default Title","offer_id":50765898776905,"sku":"DID520ERTGG120","price":89.47,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/5538\/5161\/files\/520ERT3GOLDGOLD120.jpg?v=1758298375"},{"product_id":"d-i-d-chain-520-ervt-g-g-x-120-l","title":"D.I.D Chain 520 ERVT G\u0026G X 120 L","description":"\u003cp\u003eD.I.D is the world's number one OE parts supplier for Japanese and European motorcycle manufacturers and offers supperior motorcycle chains and rims. D.I.D brand drive chains and aluminum rims are all manufactured in Kaga, Ishikawa prefecture, Japan and supplied through motorcycle dealers worldwide. These top quality products are meticulously made by skilled technicians in order to provide outstanding performance for all riders. World�s #1 Genuine Parts Manufacturer - UNCOMPROMISED QUALITY POWERED BY TECHNOLOGY - SINCE 1933 Performance -  Pin flex robs your bike of its horsepower. Chain elongation is caused by pin wear.  The high rigidity of D.I.D pins means a quicker response, resistance from chain elongation, and smoother handling. Rigidity is D.I.D�s original concept born from years of experience in MotoGP development. Rigidity in a chain means resistance to chain deformation and elongation.  SDH pin treatment creates an extremely hard chromium carbide layer on the pin�s surface.  The inner core remains soft to absorb shock loads. D.I.D�s patented X-Ring holds lubrication within the bushing increasing the pin and chain life by 1.5 - 2X. D.I.D�s patented X-Ring is superior to other O-Ring designs. The X-Ring construction reduces friction by twisting between the side plate instead of being squashed.  ENDURO BOSS - Upgraded from the 520VT2, the 520ERVT is now 2% lighter and has a 15% longer lifespan, all while maintaining the same tensile strength. ULTIMATE OFF-ROAD X-RING CHAIN - Born from our original motocross chain, the 520ERVT now adds the benefits of an X-Ring. New off-road chain choice for the top AMA teams!\u003c\/p\u003e","brand":"D.I.D","offers":[{"title":"Default Title","offer_id":50765898973513,"sku":"DID520ERVTGG120","price":103.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/5538\/5161\/files\/did_520_ervt_chain.jpg?v=1758298377"},{"product_id":"d-i-d-chain-520-g-b-x-120-l-rj","title":"D.I.D Chain 520 G\u0026B X 120 L (RJ)","description":"\u003cp\u003eD.I.D is the world's number one OE parts supplier for Japanese and European motorcycle manufacturers and offers supperior motorcycle chains and rims. D.I.D brand drive chains and aluminum rims are all manufactured in Kaga, Ishikawa prefecture, Japan and supplied through motorcycle dealers worldwide. These top quality products are meticulously made by skilled technicians in order to provide outstanding performance for all riders. World�s #1 Genuine Parts Manufacturer - UNCOMPROMISED QUALITY POWERED BY TECHNOLOGY - SINCE 1933 Performance -  Pin flex robs your bike of its horsepower. Chain elongation is caused by pin wear.  The high rigidity of D.I.D pins means a quicker response, resistance from chain elongation, and smoother handling. Rigidity is D.I.D�s original concept born from years of experience in MotoGP development. Rigidity in a chain means resistance to chain deformation and elongation.  SDH pin treatment creates an extremely hard chromium carbide layer on the pin�s surface.  The inner core remains soft to absorb shock loads. D.I.D�s patented X-Ring holds lubrication within the bushing increasing the pin and chain life by 1.5 - 2X. D.I.D�s patented X-Ring is superior to other O-Ring designs. The X-Ring construction reduces friction by twisting between the side plate instead of being squashed.  MOTOCROSS MONSTER - The 520MX chain has the highest rating tensile strength in the D.I.D. line up making it optimal for off-road racing. TOUGHEST OFF ROAD CHAIN - This super strong chain is the one you can depend on to handle toughest race.\u003c\/p\u003e","brand":"D.I.D","offers":[{"title":"Default Title","offer_id":50765899333961,"sku":"DID520GB120","price":39.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/5538\/5161\/files\/DID520120G_B.jpg?v=1758298380"},{"product_id":"d-i-d-chain-link-420-d","title":"D.I.D Chain LINK 420 D","description":"\u003cp\u003eD.I.D is the world's number one OE parts supplier for Japanese and European motorcycle manufacturers and offers supperior motorcycle chains and rims. Mainly for Non-O-ring type chains on smaller size motorcycles. 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