{"title":"Pro-X Racing","description":"\u003cp\u003eShop Pro-X Racing at 2bros-mx.com — premium UK-supplied Moto X and ATV parts selected for durability, fitment and race-ready performance.\u003c\/p\u003e\u003cp\u003eThis range focuses on parts \u0026amp; accessories — ideal when you want better performance, durability and reliability without compromising on quality. Whether you ride weekends or race regularly, these parts are chosen to deliver confidence, consistency and long service life.\u003c\/p\u003e\u003cp\u003eSuitable for a wide range of off-road machines, with parts selected to match real rider needs and workshop standards.\u003c\/p\u003e\u003cp\u003eAs a premium UK motocross and ATV parts supplier, 2bros-mx.com stocks trusted brands and dependable components to keep you riding with confidence.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNeed help choosing the right part? Call +44 330 133 3748 or email info@2bros-mx.com.\u003c\/strong\u003e\u003c\/p\u003e","products":[{"product_id":"piston-99-15-tm250-66-34-domed-prox-01-7309-a-en250-99-15","title":"PISTON 99-15 TM250 66.34 DOMED, PROX 01.7309.A EN250 99-15","description":"\u003cp\u003ePiston 2-STK KIT 66.34mm Bore.\u003cbr\u003e Ready to install, ProX Piston Kits are supplied complete with piston rings, wrist pin, and circlips.\u003c\/p\u003e \u003cp\u003e- ProX pistons are precision machined on the latest, state of the art CNC equipment and use the same low-expansion, low-friction piston alloy all major Japanese engine manufacturers use. - Uses an OEM style tin coating to assist the break-in process when you first start your machine.\u003cbr\u003e Replacements parts. 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Therefore we offer a wide range of ProX pistons in standard size, as well as in A, B, C, D+ oversizes.\u003c\/p\u003e\n\n\u003cp\u003eSize 57.94mm\u003c\/p\u003e\n\n\u003cp\u003e\u003cu\u003e\u003cstrong\u003eHusqvarna\u003c\/strong\u003e\u003c\/u\u003e\u003cbr\u003e\nTE150\/150i 2021\u003cstrong\u003e-\u003c\/strong\u003e2025\u003cbr\u003e\n\u003cbr\u003e\n\u003cu\u003e\u003cstrong\u003eKTM \u003c\/strong\u003e\u003c\/u\u003e\u003cbr\u003e\n150 EXC TPI 2021-2024\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size:medium\"\u003e\u003cstrong\u003eProX 01.6241.A \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003e \u003c\/p\u003e","brand":"Pro-X Racing","offers":[{"title":"Default Title","offer_id":51391515656458,"sku":"56-w053.a.px","price":142.91,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-W053.A.PX.jpg?v=1750685671"},{"product_id":"piston-kit-86-88-husky-125-prox-4204-husqvarna","title":"PISTON KIT 86-88 HUSKY 125, PROX 4204 HUSQVARNA","description":"\u003cp\u003ePart No.  56-W072    (oro2u.com)\u003cbr\u003e Kawasaki KX125 1982 - 1986,\u003cbr\u003e HUSQVARNA 125 1986 - 1988,\u003cbr\u003e ProX Piston Kit Bore 56.00 mm\u003cbr\u003e Cross reference numbers ONLY.\u003c\/p\u003e \u003cp\u003ePROX 4204, 01.4204\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Pro-X Racing","offers":[{"title":"Default Title","offer_id":51391516311818,"sku":"56-W072","price":72.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-W072.jpg?v=1750685672"},{"product_id":"piston-kit-12-13-yzf250-77-00-prox-01-2412-c-3-ring","title":"PISTON KIT 12-13 YZF250 77.00, PROX 01.2412.C, 3-RING","description":"\u003cp\u003e3-RING A Piston KIT 77.00 mm Bore STD Compresion 13.5:1\u003cbr\u003e Ready to install, ProX Piston Kits are supplied complete with piston rings, wrist pin, and circlips.\u003c\/p\u003e \u003cp\u003e- ProX pistons are precision machined on the latest, state of the art CNC equipment and use the same low-expansion, low-friction piston alloy all major Japanese engine manufacturers use. - Uses an OEM style tin coating to assist the break-in process when you first start your machine.\u003cbr\u003e Replacements parts. 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Made in Japan\u003cbr\u003e\nReady to install, ProX Piston Kits are supplied complete with piston rings, wrist pin, and circlips. - ProX pistons are precision machined on the latest, state of the art CNC equipment and use the same low-expansion, low-friction piston alloy all major Japanese engine manufacturers use.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eBeta\u003c\/u\u003e    \u003c\/strong\u003e\u003cbr\u003e\n125 RR Enduro 2T    2018-2025\u003cbr\u003e\n\u003cbr\u003e\n\u003cstrong\u003e\u003cu\u003eGas-Gas\u003c\/u\u003e\u003c\/strong\u003e    \u003cbr\u003e\nMC 125    2021-2025\u003cbr\u003e\n\u003cbr\u003e\n\u003cstrong\u003e\u003cu\u003eHusqvarna\u003c\/u\u003e\u003c\/strong\u003e\u003cbr\u003e\nTC 125    2014-2025\u003cbr\u003e\nTE 125    2014-2016\u003cbr\u003e\nTX 125    2017-2019\u003cbr\u003e\n\u003cbr\u003e\n\u003cu\u003e\u003cstrong\u003eKTM\u003c\/strong\u003e\u003c\/u\u003e\u003cbr\u003e\n125 EXC    2001-2016\u003cbr\u003e\n125 XC-W    2017-2019\u003cbr\u003e\n125 SX    2007-2025\u003cbr\u003e\n\u003cbr\u003e\n\u003cu\u003e\u003cstrong\u003eHusaberg\u003c\/strong\u003e\u003c\/u\u003e    \u003cbr\u003e\nTE 125    2012-2014\u003c\/p\u003e\n\n\u003cp\u003e- Uses an OEM style tin coating to assist the break-in process when you first start your machine.\u003cbr\u003e\n \u003c\/p\u003e\n\n\u003cp\u003ePROX 01.6226.B\u003c\/p\u003e","brand":"Pro-X Racing","offers":[{"title":"Default Title","offer_id":51391518474506,"sku":"56-w035.b.px","price":122.82,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-W035.B.PX.jpg?v=1750685678"},{"product_id":"piston-kit-07-12-sx-f450-97-00-prox-01-6427-b","title":"PISTON KIT 07-12 SX-F450 97.00, PROX 01.6427.B","description":"\u003cp\u003ePiston KIT 97.00 mm Bore 4-STK.\u003cbr\u003e Ready to install, ProX Piston Kits are supplied complete\u003c\/p\u003e \u003cp\u003ewith piston rings, wrist pin, and circlips. - ProX pistons are precision machined on the latest, state of the art CNC equipment and use the same low-expansion, low-friction piston alloy all major Japanese engine manufacturers use. - Uses an OEM style tin coating to assist the break-in process when you first start your machine.\u003cbr\u003e Replacements parts.\u003c\/p\u003e \u003cp\u003ePROX RING SET 02.6427, PROX PIN 04.1947.5, PROX CLIPS 05.1912\u003c\/p\u003e \u003cp\u003eKTM 450 SX-F (2007-2012), KTM 450 SM-R (2008-2012), KTM 450 SX ATV (2009-2010),\u003c\/p\u003e \u003cp\u003ePROX 01.6427.B\u003c\/p\u003e","brand":"Pro-X Racing","offers":[{"title":"Default Title","offer_id":51391518900490,"sku":"56-w107.b.px","price":219.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-W107.B.PX.jpg?v=1750685679"},{"product_id":"piston-kit-ktm-sx144-150-56-e-prox-01-6228-e-2-rings","title":"PISTON KIT KTM SX144 150 56 E, PROX 01.6228.E, 2-RINGS","description":"\u003cp\u003ePiston 2-STK KIT 56.00mm Bore.\u003cbr\u003e Ready to install, ProX Piston Kits are supplied complete\u003c\/p\u003e \u003cp\u003ewith piston rings, wrist pin, and circlips. - ProX pistons are precision machined on the latest, state of the art CNC equipment and use the same low-expansion, low-friction piston alloy all major Japanese engine manufacturers use. - Uses an OEM style tin coating to assist the break-in process when you first start your machine.\u003c\/p\u003e \u003cp\u003eKTM 144 SX (2008),\u003cbr\u003e KTM 150 SX (2009-2015),\u003c\/p\u003e \u003cp\u003ePROX 01.6228.E\u003c\/p\u003e","brand":"Pro-X Racing","offers":[{"title":"Default Title","offer_id":51391520309514,"sku":"56-w036.e.px","price":138.24,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-W036.E.PX.jpg?v=1750685683"},{"product_id":"piston-kit-86-02-cr80-46mm-b-prox-01-1110-b-honda-mx","title":"PISTON KIT 86-02 CR80 46mm B, PROX 01.1110.B HONDA MX","description":"\u003cp\u003e\u003cspan style=\"text-decoration:\" underline\u003e  \u003c\/span\u003e\u003cspan style=\"font-size:\" medium\u003e\u003cstrong\u003ePiston KIT 79cc 46.00 mm B Bore\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003eProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX Piston Kits are a first class solution to replace the original piston in your Motorcycle, Scooter, Moped, ATV, Personal Watercraft, etc.\u003cbr\u003e Coated for ultimate performance Most of the ProX pistons come with a coating. Our OEM style Tin coated pistons assist the wear in process when you just started the bike. We have developed a new skirt coating that not only assists the wear in process, but also helps reducing friction after the wear in. The black coating is made from a delicate mix of materials and will increase performance.\u003c\/p\u003e \u003cp\u003eReplacements parts. \u003cbr\u003ePROX RING SET 02.1110, PROX PISTON PIN 04.1439, PROX CLIPS 05.1410C,\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"text-decoration:\" underline\u003e\u003cstrong\u003eHONDA\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e CR80R 1996 - 2002,\u003c\/p\u003e \u003cp\u003e\u003cspan style=\"font-size:\" medium\u003e\u003cstrong\u003ePROX 01.1110.B \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e  \u003c\/p\u003e","brand":"Pro-X Racing","offers":[{"title":"Default Title","offer_id":51391520735498,"sku":"56-w041.px.b","price":92.03,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-W041.PX.B.jpg?v=1750685685"},{"product_id":"piston-kit-2021-24-ktm-150-exc-tpi-prox-01-6241-c","title":"PISTON KIT 2021-24 KTM 150 EXC TPI, PROX 01.6241.C","description":"\u003cp\u003e\u003cspan style=\"font-size:medium\"\u003e\u003cstrong\u003ePiston Kit.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp\u003eProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX Piston Kits are a first class solution to replace the original piston in your Motorcycle, Scooter, Moped, ATV, Personal Watercraft, etc.\u003cbr\u003e\nCoated for ultimate performance Most of the ProX pistons come with a coating. Our OEM style Tin coated pistons assist the wear in process when you just started the bike. We have developed a new skirt coating that not only assists the wear in process, but also helps reducing friction after the wear in. The black coating is made from a delicate mix of materials and will increase performance.\u003cbr\u003e\nProX pistons for Nicasil\/plated cylinders The latest cylinders are plated by a Nicasil plating. Therefore we offer a wide range of ProX pistons in standard size, as well as in A, B, C, D+ oversizes.\u003c\/p\u003e\n\n\u003cp\u003eSize 57.96mm\u003c\/p\u003e\n\n\u003cp\u003e\u003cu\u003e\u003cstrong\u003eHusqvarna \u003c\/strong\u003e\u003c\/u\u003e\u003cbr\u003e\nTE 150i 2021-2025\u003cbr\u003e\n\u003cbr\u003e\n\u003cu\u003e\u003cstrong\u003eKTM\u003c\/strong\u003e\u003c\/u\u003e\u003cbr\u003e\n150 EXC TPI 2021-2024\u003c\/p\u003e\n\n\u003cp\u003e\u003cspan style=\"font-size:medium\"\u003e\u003cstrong\u003eProX 01.6241.C \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Pro-X Racing","offers":[{"title":"Default Title","offer_id":51391521980682,"sku":"56-w053.c.px","price":142.91,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-W053.C.PX.jpg?v=1750685689"},{"product_id":"piston-kit-04-05-trx450-95-00mm-prox-pistons-kit-01-1494-100-honda-atv","title":"PISTON KIT 04-05 TRX450 95.00MM, PROX PISTONS KIT 01.1494.100 HONDA ATV","description":"\u003cp\u003ePart no 56-W131_100.PX (oro2u.com)\u003c\/p\u003e \u003cp\u003ePROX 95.00mm piston kit Application HONDA TRX450R 04-05\u003c\/p\u003e \u003cp\u003e(PROX part no 01.1494.100)\u003c\/p\u003e \u003cp\u003ePiston Size: 95.00mm\u003c\/p\u003e \u003cp\u003eOversize: 1.00mm\u003c\/p\u003e \u003cp\u003ePiston Kits\u003c\/p\u003e \u003cp\u003eProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX Piston Kits are a first class solution to replace the original piston in your Motorcycle, Scooter, Moped, ATV, Personal Watercraft, etc\u003c\/p\u003e \u003cp\u003eCoated for ultimate performance\u003c\/p\u003e \u003cp\u003eMost of the ProX pistons come with a coating. Our OEM style Tin coated pistons assist the wear in process when you just started the bike. We have developed a new skirt coating that not only assists the wear in process, but also helps reducing friction after the wear in. The black coating is made from a delicate mix of materials and will increase performance.\u003c\/p\u003e","brand":"Pro-X Racing","offers":[{"title":"Default Title","offer_id":51391523848458,"sku":"56-w131_100.px","price":186.52,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-W131_100.PX.jpg?v=1750685698"},{"product_id":"piston-kit-97-18-mc-ec-66-40-prox-01-7307-b-gasgas","title":"PISTON KIT 97-18 MC EC 66.40, PROX 01.7307.B GASGAS","description":"\u003cp\u003eProX  Piston 2-ring Piston 66.40\u003cbr\u003e Ready to install, ProX Piston Kits are supplied complete\u003c\/p\u003e \u003cp\u003ewith piston rings, wrist pin, and circlips. - ProX pistons are precision machined on the latest, state of the art CNC equipment and use the same low-expansion, low-friction piston alloy all major Japanese engine manufacturers use. - Uses an OEM style tin coating to assist the break-in process when you first start your machine.\u003c\/p\u003e \u003cp\u003eFor spare rings. prox 02.7307,\u003cbr\u003e Nominal size 66.34mm\u003c\/p\u003e \u003cp\u003eGas-Gas MC250 (1997-2018),\u003cbr\u003e Gas-Gas EC250 2T (1997-2018),\u003c\/p\u003e \u003cp\u003ePROX 01.7307.B\u003c\/p\u003e","brand":"Pro-X Racing","offers":[{"title":"Default Title","offer_id":51391523946762,"sku":"56-w157.b.prox","price":170.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-W157.B.PROX.jpg?v=1750685700"},{"product_id":"piston-kit-97-18-mc-ec-66-40-prox-01-7307-a-gasgas","title":"PISTON KIT 97-18 MC EC 66.40, PROX 01.7307.A GASGAS","description":"\u003cp\u003eProX Piston   2-ring Piston 66.40\u003c\/p\u003e \u003cp\u003eReady to install, ProX Piston Kits are supplied complete with piston rings, wrist pin, and circlips. - ProX pistons are precision machined on the latest, state of the art CNC equipment and use the same low-expansion, low-friction piston alloy all major Japanese engine manufacturers use. - Uses an OEM style tin coating to assist the break-in process when you first start your machine.\u003cbr\u003e Cross reference numbers ONLY.\u003c\/p\u003e \u003cp\u003ePart No. 56-W157.A.PROX (oro2u.com)\u003c\/p\u003e \u003cp\u003eFor spare rings. prox 02.7307,\u003cbr\u003e Nominal size 66.33mm\u003c\/p\u003e \u003cp\u003eGas-Gas MC250 (1997-2018),\u003cbr\u003e Gas-Gas EC250 2T (1997-2018),\u003c\/p\u003e \u003cp\u003ePROX 01.7307.A\u003c\/p\u003e","brand":"Pro-X Racing","offers":[{"title":"Default Title","offer_id":51391524765962,"sku":"56-w157.a.prox","price":170.98,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-W157.A.PROX.jpg?v=1750685704"},{"product_id":"piston-kit-00-19-ec300-72-00-prox-01-7300-c-gasgas","title":"PISTON KIT 00-19 EC300 72.00, PROX 01.7300.C GASGAS","description":"\u003cp\u003ePiston KIT C 72.00 mm Bore\u003cbr\u003e Ready to install, ProX Piston Kits are supplied complete\u003c\/p\u003e \u003cp\u003ewith piston rings, wrist pin, and circlips. - 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