{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"655f12a5b5d6","name":"METZELER 125/75R420 NHS RACETEC SM K243 TL K1 [F]","sku":"12575420MZ04331-","brand":"Metzeler","mpn":null,"gtin":null,"condition":"new","inStock":false,"stock":0,"price":{"amount":194.33,"formatted":"£194.33"},"promoCodesAllowed":false,"summary":"METZELER RACETEC SM K243 NHS TL K1 tyre. Size 125/75R420. This is a directional motorcycle tyre with a K1 compound.","attributes":[{"label":"Vehicle Type","value":"Motorcycle"},{"label":"Vehicle Subtype","value":"Race/Competition"},{"label":"GRP","value":"96"},{"label":"Section","value":"125"},{"label":"Profile","value":"75"},{"label":"Rim","value":"420"},{"label":"Tyre Pattern","value":"RACETEC SM"},{"label":"Tyre Type","value":"D"},{"label":"Tyre Type Info","value":"Directional"}],"image":"https://b69270dd6ab1.blob.upstash.io/biketyrestore/12575420MZ04331-.jpg?v=%2233773abbb467c9044ce3901095eb2532%22","images":["https://b69270dd6ab1.blob.upstash.io/biketyrestore/12575420MZ04331-.jpg?v=%2233773abbb467c9044ce3901095eb2532%22"],"description":"METZELER RACETEC SM K243 NHS TL K1 tyre. Size 125/75R420. This is a directional motorcycle tyre with a K1 compound.","descriptionMarkdown":"### METZELER RACETEC SM K1 Supermoto Competition Tyre\n\nThe METZELER RACETEC SM is a high-performance competition tyre specifically engineered for the demands of Supermoto racing. Designed for riders who require precision, grip, and consistent performance on mixed-surface tracks, this tyre offers advanced technological features developed through racing experience.\n\nThe K1 compound variant provides excellent versatility and warm-up performance, ensuring riders have the confidence needed from the very first lap. As an NHS (Not for Highway Service) tyre, it is built exclusively for track use, focusing on maximum lean angles and superior traction during aggressive acceleration and braking maneuvers.\n\n### Key Features\n\n \n- Competition Focused: Specifically developed for Supermoto racing applications.\n \n- Optimized Compound: The K1 compound offers rapid warm-up times and consistent grip levels throughout the race duration.\n \n- High Precision: Engineered to provide sharp handling and stable feedback, allowing for precise line selection in tight corners.\n \n- Advanced Construction: Designed to withstand the unique stresses of Supermoto racing, including hard braking and rapid changes in direction.\n \n- NHS Designation: This tyre is intended for dedicated race track use and is not suitable for public road services.\n\n### Technical Specifications\n\n \n- Manufacturer: Metzeler\n \n- Pattern: RACETEC SM\n \n- Section Width: 125\n \n- Profile: 75\n \n- Rim Diameter: 420 inches\n \n- Type: TL (Tubeless)\n \n- Compound: K1\n \n- Position: Front [F]","weightGrams":null,"fitments":[],"collections":[{"name":"Motorcycle","url":"https://www.2brosparts.com/api/agent/collection/GB/motorcycle"},{"name":"Race/Competition","url":"https://www.2brosparts.com/api/agent/collection/GB/racecompetition"},{"name":"Tyres","url":"https://www.2brosparts.com/api/agent/collection/GB/tyres"}],"links":{"page":"https://www.2brosparts.com/products/metzeler-12575r420-nhs-racetec-sm-k243-tl-k1-f","buyOneNow":null,"basketWithThis":null}},"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."]}}