{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"59d4075d19b4","name":"REAR SPROCKET STEEL JTR210.51SC, LIGHTWEIGHT SELF-CLEANING","sku":"SR210-51.JT.S.SC","brand":"JT","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":3,"price":{"amount":25.19,"formatted":"£25.19"},"summary":"The next standard in MX durability and efficiency, this rear sprocket features a unique self-cleaning profile that keeps the contact patch clear while trimming weight. Heat-induction hardened C45 steel construction ensures it lasts up to six times longer than 7075 aluminium, protecting your chain and your lap times. Its unique self-cleaning design keeps the contact area clear. It offers significantly reduced weight versus conventional steel rears. The sprocket is made from heat-induction hardened C45 steel. It lasts up to 6x longer than a 7075-aluminium sprocket and greatly extends chain life by minimizing abrasive buildup. Optimized tooth geometry provides smooth, efficient drive. Specifications include: Material: Heat-induction hardened C45 steel, Tooth count: 51, Drive chain pitch: 520, Colour: Black. Weight: 832g.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"290853"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR210-51_2EJT_2ES_2ESC/03e43ed83889a595.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR210-51_2EJT_2ES_2ESC/03e43ed83889a595.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR210-51_2EJT_2ES_2ESC/d76992007bffe6d5.png"],"description":"The next standard in MX durability and efficiency, this rear sprocket features a unique self-cleaning profile that keeps the contact patch clear while trimming weight. Heat-induction hardened C45 steel construction ensures it lasts up to six times longer than 7075 aluminium, protecting your chain and your lap times. Its unique self-cleaning design keeps the contact area clear. It offers significantly reduced weight versus conventional steel rears. The sprocket is made from heat-induction hardened C45 steel. It lasts up to 6x longer than a 7075-aluminium sprocket and greatly extends chain life by minimizing abrasive buildup. Optimized tooth geometry provides smooth, efficient drive. Specifications include: Material: Heat-induction hardened C45 steel, Tooth count: 51, Drive chain pitch: 520, Colour: Black. Weight: 832g.","descriptionMarkdown":"### JT Steel Rear Sprocket - Lightweight Self-Cleaning\n\n Experience the next standard in motorcycle drivetrain durability and efficiency with the JT Steel Rear Sprocket. This innovative sprocket features a unique self-cleaning profile designed to keep the contact patch clear and reduce weight. Constructed from heat-induction hardened C45 steel, it offers exceptional longevity, lasting up to six times longer than traditional 7075 aluminum sprockets. This extended lifespan helps protect your chain and maintain optimal performance. The optimized tooth geometry ensures smooth and efficient power transfer, while minimizing abrasive buildup to greatly extend your chain's life.\n\n#### Key Features:\n\n \n- Unique self-cleaning design for a clear contact area\n \n- Significantly reduced weight compared to conventional steel rear sprockets\n \n- Durable construction from heat-induction hardened C45 steel\n \n- Up to 6 times longer lifespan than 7075-aluminum sprockets\n \n- Enhances chain life by minimizing abrasive buildup\n \n- Optimized tooth geometry for smooth and efficient drive\n\n#### Specifications:\n\n \n- Material: Heat-induction hardened C45 steel\n \n- Tooth Count: 51\n \n- Drive Chain Pitch: 520\n \n- Color: Black","weightGrams":null,"fitments":[{"make":"BETA","model":"RR 2T 250","cc":null,"notes":null,"years":"2013–2017"},{"make":"BETA","model":"RR 2T 300","cc":null,"notes":null,"years":"2013–2017"},{"make":"BETA","model":"RR ENDURO 2T 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Every URL is a plain path (no query string) and a GET. Nothing is stored between calls.","checkoutLinkFormat":"https://www.2brosparts.com/api/agent/checkout/GB/{basketKey}:{quantity},{basketKey}:{quantity}","steps":["1. Find products: follow links in these responses, or fetch https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus} (e.g. https://www.2brosparts.com/api/agent/search/GB/brake+pads). Every product has a basketKey.","2. Optional check: https://www.2brosparts.com/api/agent/basket/GB/{basketKey}:{quantity},{basketKey}:{quantity} returns stock, totals per delivery option and the checkout link.","3. Give the shopper the checkout link. Opening it fills their basket with exactly these items (replacing what was there) and opens checkout for United Kingdom. They pay on 2brosparts.com through Stripe."],"noFetchNeeded":"You can write the checkout link yourself from basketKeys and quantities; nothing has to be fetched first. Each product also has links.buyOneNow, a ready link for one unit.","stateless":"Nothing is saved on our side. The items part of the URL is the whole basket: to change it, write the link again with the new list.","itemsFormat":"basketKey:quantity pairs joined by commas, e.g. 04f24aad4d68:2,7c1e9a0b3f2d:1. Quantity defaults to 1. Up to 50 products, 100 each.","country":"GB is the shopper's delivery country. Swap it for theirs (US, DE, FR…) in any URL; currency, tax and delivery follow it.","tips":["Put everything the shopper wants in one link.","Optionally add your name as a last path segment on checkout links (…/checkout/GB/<items>/claude) so the sale is credited to you.","The checkout link is for the shopper's browser. Do not open it yourself.","Signed-in trade account holders see their trade prices at checkout."]}}