{"product_id":"new-wolf-tooth-mk0-bottom-bracket-english-bsa-68-73mm-for-spindle-shadow-gray","title":"NEW Wolf Tooth MARKZERO MK0 Bottom Bracket - English (BSA), 68\/73mm, For Spindle, Shadow Gray","description":"\u003cp\u003eWolf Tooth MARKZERO (MK0) Bottom Brackets take performance to another level with aggressive machining, custom ceramic bearings, and intricately designed race sealing built to their exacting specifications. This design saves you watts while proving durable enough for the most intense off-road racing, inclement conditions, and are fully serviceable. MK0 components are proudly machined at Wolf Tooth HQ in Minnesota, USA.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMK0 silicon nitride ceramic bearings feature custom race sealing for flawless performance against the elements and endless speed\u003c\/li\u003e\n\u003cli\u003eCustom polymer spindle bushings separate the bearing inner race and crank spindle to eliminate metal-on-metal contact, the leading cause of bottom bracket creaks\u003c\/li\u003e\n\u003cli\u003eBushings also helps enhance bearing longevity with an interface to the bearing gutter seal for maximum weatherproofing\u003c\/li\u003e\n\u003cli\u003eAggressively machined to be lighter than the competition while offering superior speed and performance in all conditions\u003c\/li\u003e\n\u003cli\u003e6061-T6 Aluminum cups and AISI 52100 chrome bearing steel races hardened to Rc 60-65 with ACOSUR-ZNA corrosion resistant coating\u003c\/li\u003e\n\u003cli\u003e24mm:\n\u003cul\u003e\n\u003cli\u003eInstallation and removal with standard 44-16 spline tool (sold separately)\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncludes (2) 2.5mm shell spacers and (2) 0.5mm, (2) 1mm, (1) 1mm, (1) 3mm, and (1) 5mm spindle spacers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e29mm:\n\u003cul\u003e\n\u003cli\u003eInstallation and removal with standard 44-12 spline tool (sold separately)\u003c\/li\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e Includes (2) 2.5mm shell spacers, along with (2) 0.5mm, (2) 1mm, (1) 3mm, (1) 5mm, and (1) 7.5mm spindle spacers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e30mm:\n\u003cul\u003e\n\u003cli\u003eInstallation and removal with standard 44-12 spline tool (sold separately)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncludes (2) 2.5mm shell spacers, along with (2) 0.5mm, (2) 1mm, (1) 2mm, (1) 3mm, and (1) 5mm spindle spacers\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Quality Bicycle Products ( QBP )","offers":[{"title":"24mm \/ Shimano Hollowtech II","offer_id":67951461761343,"sku":"210000081098","price":309.95,"currency_code":"USD","in_stock":true},{"title":"29mm \/ SRAM DUB","offer_id":67951461794111,"sku":"210000081099","price":309.95,"currency_code":"USD","in_stock":true},{"title":"30mm \/ RaceFace Cinch","offer_id":67951461826879,"sku":"210000081100","price":309.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0799\/5585\/files\/CR2590.jpg?v=1793751566","url":"https:\/\/aroundthecycle.com\/products\/new-wolf-tooth-mk0-bottom-bracket-english-bsa-68-73mm-for-spindle-shadow-gray","provider":"Around the Cycle","version":"1.0","type":"link"}