{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"7aa6d4d81c25","name":"HONDA CR / CRF 125 / 250 / 450 / 500 1984 - 2022 STEEL REAR SPROCKET 52 TOOTH BLACK","sku":"WF.RFE210.52","brand":"Supersprox","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":8,"price":{"amount":46.9,"formatted":"£46.90"},"summary":"Supersprox Steel Rear Sprocket 52 Tooth Black. High carbon steel with a core strength of 400MPa. Machined for perfect flatness and roundness using laser cutter, CNC lathe, CNC mill, 19 flattening rolls, surface grinder, tooth cutter, and laser etching. Black surface finish provides corrosion protection through a zinc carbonate barrier and a trivalent chromium layer.","attributes":[],"image":"https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-cr-crf-125-250-450-500-1984-2018-steel-rear-sprocket-52-tooth-black-2635-p.png","images":["https://www.twsgb.co.uk/Graphics/Std_Product_Images/honda-cr-crf-125-250-450-500-1984-2018-steel-rear-sprocket-52-tooth-black-2635-p.png"],"description":"Supersprox Steel Rear Sprocket 52 Tooth Black. High carbon steel with a core strength of 400MPa. Machined for perfect flatness and roundness using laser cutter, CNC lathe, CNC mill, 19 flattening rolls, surface grinder, tooth cutter, and laser etching. Black surface finish provides corrosion protection through a zinc carbonate barrier and a trivalent chromium layer.","descriptionMarkdown":"### Supersprox High Carbon Steel Rear Sprocket\n\nThe Supersprox Steel Rear Sprocket is engineered for riders who demand exceptional durability, long service life, and reliable performance. Designed as a high-strength alternative to lightweight alloy sprockets, this steel unit is built to withstand high power outputs without deforming or bending, making it an ideal choice for both off-road and street applications.\n\n### Advanced Technical Construction\n\nPrecision is at the heart of this sprocket. Each unit is manufactured using a combination of laser cutting, CNC milling, and CNC lathe turning to ensure perfect flatness and roundness. By utilizing high carbon steel with a core strength of 400MPa, Supersprox ensures that the teeth maintain their integrity even under extreme stress. Unlike standard sprockets, the manufacturing process involves 19 flattening rolls and a surface grinder to guarantee a component that meets rigorous quality standards.\n\n### Durable Corrosion Resistance\n\nThe distinctive black finish is not merely aesthetic; it is a result of a highly technical chemical process. The sprocket undergoes an initial zinc carbonate barrier treatment to protect the steel from rust. This is followed by a Trivalent Chromium layer that bonds to the zinc base. This micro-thin layer provides superior corrosion protection that will not chip or rub off like traditional paint, ensuring your bike maintains a professional, technical look for the long term.\n\n### Key Features\n\n \n- Long Service Life: Built to outperform alloy sprockets, providing excellent longevity for extended street and off-road use.\n \n- High Carbon Steel: Constructed with a 400MPa core strength to prevent tooth deformation under heavy loads.\n \n- Precision Machined: Manufactured with advanced CNC equipment to ensure a perfect fit and smooth power delivery.\n \n- Superior Finish: Trivalent Chromium coating provides a permanent, corrosion-resistant black finish that stands up to harsh riding conditions.\n \n- Chain Preservation: Designed to maintain sprocket geometry, helping to extend the life of your drive chain compared to worn or soft metal sprockets.","weightGrams":null,"fitments":[],"collections":[],"links":{"page":"https://www.2brosparts.com/products/honda-cr-crf-125-250-450-500-1984-2022-steel-rear-sprocket-52-tooth-black","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/7aa6d4d81c25:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/7aa6d4d81c25:1"}},"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."]}}