{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"5d39286d0603","name":"FRONT SPROCKET JTF339.18RB JT, OE Rubber Cushioned","sku":"SF339-18.JT.RB","brand":"JT","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":2,"price":{"amount":14.09,"formatted":"£14.09"},"summary":"JT's rubber-damped front sprockets use proven OEM technology to absorb chain shock and reduce drivetrain noise for smoother engagement, less vibration, and extended component life without sacrificing strength or fit. Features an integrated rubber damper to absorb chain impact using OEM-proven technology used since the early '90s. Provides quieter operation and reduced vibration while preserving drivetrain components by softening shock loads. Maintains full JT strength, tolerances, and fitment as a direct replacement with no special hardware required. Specifications: Material: SCM420 chromoly, Tooth count: 18, Drive chain pitch: 530, Colour: Silver / Black.","attributes":[{"label":"General Product Group","value":"Chain & Sprockets"},{"label":"General Product Type","value":"Sprockets & Components (Front)"},{"label":"Variant Id","value":"276348"}],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SF339-18_2EJT_2ERB/8558ffd1e10e5a13.jpg","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SF339-18_2EJT_2ERB/8558ffd1e10e5a13.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SF339-18_2EJT_2ERB/6300563ac97257be.jpg","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/SF339-18_2EJT_2ERB/81f636546ad35259.png"],"description":"JT's rubber-damped front sprockets use proven OEM technology to absorb chain shock and reduce drivetrain noise for smoother engagement, less vibration, and extended component life without sacrificing strength or fit. Features an integrated rubber damper to absorb chain impact using OEM-proven technology used since the early '90s. Provides quieter operation and reduced vibration while preserving drivetrain components by softening shock loads. Maintains full JT strength, tolerances, and fitment as a direct replacement with no special hardware required. Specifications: Material: SCM420 chromoly, Tooth count: 18, Drive chain pitch: 530, Colour: Silver / Black.","descriptionMarkdown":"### JT OE Rubber Cushioned Front Sprocket\n\nExperience a quieter, smoother ride with JT's OE rubber-cushioned front sprocket. Utilizing proven OEM technology, this sprocket effectively absorbs chain shock, reducing drivetrain noise and vibration for enhanced comfort. The integrated rubber damper softens shock loads, helping to preserve your drivetrain components and extend their lifespan without compromising JT's renowned strength, precision tolerances, and fit.\n\n#### Key Features:\n\n \n- Integrated rubber damper for superior chain impact absorption.\n \n- Employs OEM-proven technology, a standard since the early 1990s.\n \n- Promotes quieter operation and significantly reduces vibration.\n \n- Protects drivetrain components by mitigating shock loads.\n \n- Maintains full JT strength, accuracy, and direct fitment.\n \n- Designed as a direct replacement, requiring no special hardware for installation.\n\n#### Specifications:\n\n \n- Material: SCM420 chromoly steel for durability and strength.\n \n- Tooth Count: 18 teeth.\n \n- Drive Chain Pitch: 530.\n \n- Color: Silver and Black finish.","weightGrams":null,"fitments":[],"collections":[{"name":"Chain & Sprockets","url":"https://www.2brosparts.com/api/agent/collection/GB/chain-sprockets"},{"name":"Sprockets & Components (Front)","url":"https://www.2brosparts.com/api/agent/collection/GB/sprockets-components-front"}],"links":{"page":"https://www.2brosparts.com/products/front-sprocket-jtf33918rb-jt-oe-rubber-cushioned","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/5d39286d0603:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/5d39286d0603:1"}},"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."]}}