{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"4fde27515588","name":"REAR SPROCKET STEEL 52 [JTR897.52] 520, SILVER","sku":"SR990-52_S.DR","brand":"Dirt Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":15,"price":{"amount":23.54,"formatted":"£23.54"},"summary":"This rear sprocket features 52 teeth and is constructed from C45 high carbon steel with a silver finish. It is heat-treated, hand-finished, and sandblasted to reduce surface tension. Designed for 520 chain systems, it meets or exceeds motorcycle industry compound modification standards. Specifications include a tooth count of 52, 520 chain size, C45 high carbon steel material, and a silver finish. The part number is SR990-52_S.DR and the cross-reference OEM part numbers are JTR897.52, JTR990.52, and PSYCHIC MX-89752.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Rear)"},{"label":"Variant Id","value":"279504"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR990-52_5FS_2EDR/127b025d8f7601b2.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR990-52_5FS_2EDR/127b025d8f7601b2.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR990-52_5FS_2EDR/ff9e5989ede865e5.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR990-52_5FS_2EDR/1db116b36fa24f9c.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SR990-52_5FS_2EDR/fb3337529d4b4657.jpg"],"description":"This rear sprocket features 52 teeth and is constructed from C45 high carbon steel with a silver finish. It is heat-treated, hand-finished, and sandblasted to reduce surface tension. Designed for 520 chain systems, it meets or exceeds motorcycle industry compound modification standards. Specifications include a tooth count of 52, 520 chain size, C45 high carbon steel material, and a silver finish. The part number is SR990-52_S.DR and the cross-reference OEM part numbers are JTR897.52, JTR990.52, and PSYCHIC MX-89752.","descriptionMarkdown":"### Dirt Racing REAR SPROCKET STEEL 52 520 CHAIN SILVER\n\nUpgrade your motorcycle's performance and durability with this premium rear sprocket from Dirt Racing. Engineered with precision and built to last, this sprocket is an ideal choice for riders seeking reliable performance in off-road, motocross, and enduro applications.\n\n#### Key Features:\n\n \n- Constructed from high-strength C45 high carbon steel for exceptional durability and wear resistance.\n \n- Features a heat-treated and hand-finished process to ensure longevity and consistent performance.\n \n- Sandblasted surface treatment reduces surface tension, contributing to its overall resilience.\n \n- Boasts a stylish satin-silk silver finish that adds a touch of aesthetic appeal.\n \n- Manufactured to meet or exceed industry standards for compound modification, ensuring quality and reliability.\n\n#### Specifications:\n\n \n- Tooth Count: 52\n \n- Chain Size Compatibility: 520\n \n- Material: C45 High Carbon Steel\n \n- Finish: 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-52-jtr89752-520-silver","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/4fde27515588:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/4fde27515588:1"}},"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."]}}