{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"67ba306e464f","name":"REAR SPROCKET STEEL HARD ZBK, JTR479.45ZBK","sku":"SR479-45.S.ZBK","brand":"JT","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":1,"price":{"amount":27.19,"formatted":"£27.19"},"summary":"Crafted from premium C49 high-carbon steel, this rear sprocket features teeth heat-induction hardened to 38-50 HRC and a Black Zinc Finish. JT Steel Sprockets provide OEM-level precision and durability with 2,500+ fitments for motorcycles and ATVs, offering long wear life, exact fit, and dependable power transfer. Specifications include C49 high-carbon steel material, heat-induction hardened teeth (38-50 HRC), a Black Zinc Finish, 45 teeth, a 530 drive chain pitch, and a silver color.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"278515"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR479-45_2ES_2EZBK/c9d1e0f3bdd9c80c.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR479-45_2ES_2EZBK/c9d1e0f3bdd9c80c.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR479-45_2ES_2EZBK/1de733e44c43a084.png"],"description":"Crafted from premium C49 high-carbon steel, this rear sprocket features teeth heat-induction hardened to 38-50 HRC and a Black Zinc Finish. JT Steel Sprockets provide OEM-level precision and durability with 2,500+ fitments for motorcycles and ATVs, offering long wear life, exact fit, and dependable power transfer. Specifications include C49 high-carbon steel material, heat-induction hardened teeth (38-50 HRC), a Black Zinc Finish, 45 teeth, a 530 drive chain pitch, and a silver color.","descriptionMarkdown":"### JT Steel Rear Sprocket for Motorcycles and ATVs\n\nUpgrade your motorcycle or ATV's drivetrain with this premium steel rear sprocket from JT. Engineered for superior performance and longevity, this sprocket is constructed from high-quality C49 high-carbon steel.\n\n**Key Features:**\n\n \n- Durable Construction: Crafted from C49 high-carbon steel for extended wear resistance.\n \n- Hardened Teeth: Teeth are heat-induction hardened to a hardness of 38-50 HRC, ensuring exceptional durability and resistance to deformation.\n \n- Black Zinc Finish: Features a Black Zinc finish for enhanced corrosion resistance and a sleek look.\n \n- OEM Precision: Manufactured with precision to ensure an exact fit, mirroring original equipment specifications.\n \n- Reliable Power Transfer: Designed for consistent and accurate power transfer from the engine to the rear wheel.\n \n- Versatile Application: Offers broad coverage with over 2,500 fitments for a wide range of motorcycles and ATVs.\n \n- Engineered for Performance: Built for durability and optimal performance in various riding conditions, including street, track, and off-road use.\n\n**Specifications:**\n\n \n- Material: C49 high-carbon steel\n \n- Tooth Hardness: 38-50 HRC (heat-induction hardened)\n \n- Finish: Black Zinc\n \n- Tooth Count: 45\n \n- Drive Chain Pitch: 530\n \n- Color: Silver","weightGrams":null,"fitments":[],"collections":[{"name":"Chain & Sprockets","url":"https://www.2brosparts.com/api/agent/collection/GB/chain-sprockets"},{"name":"Sprockets & Components (Rear)","url":"https://www.2brosparts.com/api/agent/collection/GB/sprockets-components-rear"}],"links":{"page":"https://www.2brosparts.com/products/rear-sprocket-steel-hard-zbk-jtr47945zbk","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/67ba306e464f:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/67ba306e464f:1"}},"market":{"country":"GB","countryName":"United Kingdom","locale":"en-gb","currency":"GBP","exchangeRateFromGbp":1,"pricesIncludeUkVat":true,"checkoutTax":null,"delivery":[{"name":"Standard","description":"Orders £15.00–£59.99 · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":4.99,"formatted":"£4.99"},"free":false,"minimumOrder":{"amount":0,"formatted":"£0.00","gbp":0},"weightGrams":null},{"name":"Standard","description":"Orders £60.00 and up · 2–4 business days","carrier":null,"estimatedDays":"2–4 business days","price":{"amount":0,"formatted":"£0.00"},"free":true,"minimumOrder":{"amount":60,"formatted":"£60.00","gbp":60},"weightGrams":null}],"storeUrl":"https://www.2brosparts.com"},"navigate":{"start":"https://www.2brosparts.com/api/agent","search":"https://www.2brosparts.com/api/agent/search/GB/{words+joined+with+plus}"},"howToBuy":{"summary":"Build a basket for the shopper and give them one checkout link. 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."]}}