{"about":"Prices are for United Kingdom in GBP. Every URL here is a plain path you can fetch directly.","product":{"basketKey":"624e7fc17ace","name":"HOLE SHOT DEVICE 10-15 YAMAHA YZ YZF 125 250 450 BLACK MX-04021","sku":"45-600.BK.FIR","brand":"Factory Image Racing","mpn":null,"gtin":null,"condition":"new","inStock":true,"stock":24,"price":{"amount":42.48,"formatted":"£42.48"},"summary":"Factory Image Racing (FIR) Hole Shot Launch Control in black (MX-04021). This fork-mounted holeshot device locks the front suspension in a compressed position for starts to help keep the front tyre down, then releases easily and automatically when the front brake is applied or the mechanism is disengaged by suspension movement over a bump. Features include holding the front suspension down for starts to help reduce front-end lift, releasing by applying the front brake or by suspension movement over a bump, and a sealed lockdown assembly to help keep dirt and dust out to maintain a clean mechanism. Specifications: Colour Black, catch band material 6061-T6 billet aluminium, button material Aluminium, pin material Stainless steel, inside diameter 63.5 mm, outside diameter 67.5 mm, height 19 mm, inner groove Yes. Supplied without instruction sheet. Part number MX-04021.","attributes":[],"image":"https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/45-600_2EBK_2EFIR/84d94efa5f345c47.png","images":["https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/45-600_2EBK_2EFIR/84d94efa5f345c47.png","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/45-600_2EBK_2EFIR/0c0171452432294c.png","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/45-600_2EBK_2EFIR/3d1197c63f43c0a9.png","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/45-600_2EBK_2EFIR/e8bd97883fa01fdf.png","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/45-600_2EBK_2EFIR/3e68074c36b3a96d.png","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/45-600_2EBK_2EFIR/f1a1705e1c2b14dc.png","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/45-600_2EBK_2EFIR/2544d9bec4aabfc0.png","https://b69270dd6ab1.blob.upstash.io/oracle/oro2u/45-600_2EBK_2EFIR/aebef4cb7bd8d496.png"],"description":"Factory Image Racing (FIR) Hole Shot Launch Control in black (MX-04021). This fork-mounted holeshot device locks the front suspension in a compressed position for starts to help keep the front tyre down, then releases easily and automatically when the front brake is applied or the mechanism is disengaged by suspension movement over a bump. Features include holding the front suspension down for starts to help reduce front-end lift, releasing by applying the front brake or by suspension movement over a bump, and a sealed lockdown assembly to help keep dirt and dust out to maintain a clean mechanism. Specifications: Colour Black, catch band material 6061-T6 billet aluminium, button material Aluminium, pin material Stainless steel, inside diameter 63.5 mm, outside diameter 67.5 mm, height 19 mm, inner groove Yes. Supplied without instruction sheet. Part number MX-04021.","descriptionMarkdown":"### Factory Image Racing Holeshot Device - Black\n\nEnhance your starting performance with the Factory Image Racing (FIR) Holeshot Device. This innovative fork-mounted system is designed to keep your front wheel planted off the start line, giving you a competitive edge.\n\n**Key Features:**\n\n\t\n- Optimized Starts: Compresses the front suspension for initial launch, significantly reducing front-end lift and improving traction.\n\t\n- Automatic Release: The device disengages automatically upon application of the front brake or when the suspension encounters a bump, ensuring smooth transition after the launch.\n\t\n- Durable and Protected: Features a sealed lockdown assembly that effectively prevents dirt and dust ingress, maintaining mechanism integrity and longevity.\n\n**Specifications:**\n\n\t\n- Color: Black\n\t\n- Catch Band Material: 6061-T6 Billet Aluminum\n\t\n- Button Material: Aluminum\n\t\n- Pin Material: Stainless Steel\n\t\n- Inside Diameter: 63.5 mm\n\t\n- Outside Diameter: 67.5 mm\n\t\n- Height: 19 mm\n\t\n- Inner Groove: Yes\n\t\n- Part Number: MX-04021","weightGrams":null,"fitments":[{"make":"HONDA","model":"CR 125","cc":null,"notes":null,"years":"1997–2007"},{"make":"KAWASAKI","model":"KX 125","cc":null,"notes":null,"years":"1999–2008"},{"make":"KAWASAKI","model":"KX 250","cc":null,"notes":null,"years":"1999–2008"},{"make":"KAWASAKI","model":"KX 250F","cc":null,"notes":null,"years":"2004–2005"},{"make":"SUZUKI","model":"RM 250","cc":null,"notes":null,"years":"2001–2003"},{"make":"SUZUKI","model":"RM-Z 250","cc":null,"notes":null,"years":"2004–2006"},{"make":"YAMAHA","model":"WR 250F","cc":null,"notes":null,"years":"2005–2021"},{"make":"YAMAHA","model":"WR 450F","cc":null,"notes":null,"years":"2005–2021"},{"make":"YAMAHA","model":"YZ 125","cc":null,"notes":null,"years":"2005–2021"},{"make":"YAMAHA","model":"YZ 250","cc":null,"notes":null,"years":"2005–2021"},{"make":"YAMAHA","model":"YZ 250F","cc":null,"notes":null,"years":"2005–2021"},{"make":"YAMAHA","model":"YZ 450F","cc":null,"notes":null,"years":"2005–2021"}],"collections":[],"links":{"page":"https://www.2brosparts.com/products/hole-shot-device-10-15-yamaha-yz-yzf-125-250-450-black-mx-04021","buyOneNow":"https://www.2brosparts.com/api/agent/checkout/GB/624e7fc17ace:1","basketWithThis":"https://www.2brosparts.com/api/agent/basket/GB/624e7fc17ace: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."]}}