{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"a7e1240e69e4","name":"REAR SPROCKET TWINRING KAW, RENTHAL 1120-520-51GPSI KAWASAKI","sku":"SR460-51.REN.TR","brand":"Renthal","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":71.53,"formatted":"£71.53"},"summary":"RENTHAL TWIN RING REAR SPROCKET. 51 tooth, 520 pitch. Part number 1120-520-51GPSI. Developed over 5 years, this is the longest lasting most durable off-road sprocket. Unique flat face design keeps weight to a minimum and ensures the TwinRing is as narrow as a regular chainwheel. Inner ring is high strength Ultralight 7075 T6 Aluminium. Outer ring is Electroless Nickel Coated steel. The outer ring is expanded at 200°C and then fitted to the inner ring, creating a permanent bond for the life of the sprocket. Weight 750g.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"278434"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR460-51_2EREN_2ETR/c243d7b7a5ec7365.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR460-51_2EREN_2ETR/c243d7b7a5ec7365.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR460-51_2EREN_2ETR/f04a52a011c1f130.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR460-51_2EREN_2ETR/c46c751510183cd1.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR460-51_2EREN_2ETR/c5acc14c921ba63a.jpg"],"description":"RENTHAL TWIN RING REAR SPROCKET. 51 tooth, 520 pitch. Part number 1120-520-51GPSI. Developed over 5 years, this is the longest lasting most durable off-road sprocket. Unique flat face design keeps weight to a minimum and ensures the TwinRing is as narrow as a regular chainwheel. Inner ring is high strength Ultralight 7075 T6 Aluminium. Outer ring is Electroless Nickel Coated steel. The outer ring is expanded at 200°C and then fitted to the inner ring, creating a permanent bond for the life of the sprocket. Weight 750g.","descriptionMarkdown":"### Renthal Twin Ring Rear Sprocket\n\nThe Renthal Twin Ring Rear Sprocket is engineered for maximum durability and longevity in off-road riding conditions. Developed over five years, this sprocket offers exceptional wear resistance, making it one of the most robust options available.\n\nIts innovative flat face design minimizes weight while maintaining a narrow profile, comparable to standard chainwheels. This design ensures efficient operation and reduced unsprung mass.\n\n#### Key Features:\n\n \n- Dual Material Construction: Features an inner ring made from high-strength, ultralight 7075 T6 aluminum and an outer ring coated with electroless nickel for superior hardness and corrosion resistance.\n \n- Permanent Bond: The outer steel ring is heated to 200°C and then fitted to the inner aluminum ring, creating a permanent, fused bond that ensures the sprocket's integrity throughout its lifespan.\n \n- Exceptional Durability: Designed to be the longest-lasting and most durable off-road sprocket.\n \n- Optimized Design: Unique flat face design for minimal weight and a narrow profile.","weightGrams":null,"fitments":[{"make":"KAWASAKI","model":"KDX 175","cc":null,"notes":null,"years":"1979–1985"},{"make":"KAWASAKI","model":"KDX 200","cc":null,"notes":null,"years":"1986–2006"},{"make":"KAWASAKI","model":"KDX 220","cc":null,"notes":null,"years":"1997–2005"},{"make":"KAWASAKI","model":"KDX 250","cc":null,"notes":null,"years":"1982–1993"},{"make":"KAWASAKI","model":"KDX 420","cc":null,"notes":null,"years":"1980"},{"make":"KAWASAKI","model":"KLX 250","cc":null,"notes":null,"years":"1979–1994"},{"make":"KAWASAKI","model":"KLX 300","cc":null,"notes":null,"years":"1997–2003"},{"make":"KAWASAKI","model":"KLX 300R","cc":null,"notes":null,"years":"1997–2008"},{"make":"KAWASAKI","model":"KLX 450R","cc":null,"notes":null,"years":"2008–2021"},{"make":"KAWASAKI","model":"KLX 650","cc":null,"notes":null,"years":"1993–1996"},{"make":"KAWASAKI","model":"KX 125","cc":null,"notes":null,"years":"1980–2008"},{"make":"KAWASAKI","model":"KX 250","cc":null,"notes":null,"years":"1979–2008, 2019–2025"},{"make":"KAWASAKI","model":"KX 250F","cc":null,"notes":null,"years":"2004–2019"},{"make":"KAWASAKI","model":"KX 250X","cc":null,"notes":null,"years":"2021–2025"},{"make":"KAWASAKI","model":"KX 450F","cc":null,"notes":null,"years":"2006–2025"},{"make":"KAWASAKI","model":"KX 450X","cc":null,"notes":null,"years":"2021–2025"},{"make":"KAWASAKI","model":"KX 500","cc":null,"notes":null,"years":"1983–2004"},{"make":"KAWASAKI","model":"KX K1 K5 L1 125","cc":null,"notes":null,"years":"1994–2008"},{"make":"SUZUKI","model":"RM-Z 250","cc":null,"notes":null,"years":"2004–2009"}],"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-twinring-kaw-renthal-1120-520-51gpsi-kawasaki","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/a7e1240e69e4:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/a7e1240e69e4:1"}},"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."]}}