{"product_id":"btbk1587","title":"Wolf Tooth MK0 Bottom Bracket - English (BSA), 68\/73mm, For 24mm Spindle, Shadow Gray","description":"\u003cdiv id=\"seqbpdescription\"\u003e\u003cp\u003eWolf Tooth Bottom Brackets set the bar for performance, weight, durability, and performance. The new MK0 Bottom Brackets group those best-in-class specs with a ceramic bearing. The sealing is especially important here. Where many ceramic bottom brackets are known for spinning without friction, they are not known for being durable. The MK0 Bottom Bracket eliminates that issue, with best-in-class sealing for never-ending performance. Like other MK0 items, these bottom brackets spent extra time in the CNC lathe to reduce weight with new, consistent aesthetics. Form has met function. This is the outcome. Premium ceramic bearings with low drag seals are built to our exacting specifications Adjustable-width sleeve fits 68mm - 73mm BSA bottom bracket shells Best-in-class weather sealing protects bearings from water, mud, and debris Custom polymer spindle bushings eliminate creaking and the unique MK version is modified for even lower seal drag Compatible with 24, 29 DUB, and 30mm spindle cranksets Installation and removal with standard 44-16 (24mm) and 46-12 (29mm DUB, 30mm) spline tools Designed, machined, and assembled at Wolf Tooth in Minnesota, USA Bottom brackets ship with the following shell and spindle spacers:. 2x 2.5mm shell spacers 24mm spindle - 2x 0.5mm, 2x 1mm, 2mm, 3mm, 5mm spindle spacers 29mm spindle - 2x 0.5mm, 2x 1mm, 3mm, 5mm, 7.5mm spindle spacers 30mm spindle - 2x 0.5mm, 2x 1mm, 2mm, 3mm, 5mm spindle spacers Compatibility 68, 73, 83, and 100mm width BSA bottom bracket shells Included adjustable-width internal sleeve fits 68-73mm width BSA bottom bracket shells 83 and 100mm width internal sleeves are available for purchase as add-ons Installation Installation and removal with standard 44-16 (24mm) and 46-12 (29mm DUB, 30mm) spline bottom bracket tools Tech Specs Weights: 24 mm 76 g | 29 mm 82 g | 30 mm 77 g (includes complete BB assembly without spacers)Material: Cups: 6061-T6 AluminumShell: POMSeals: NBR, UrethaneSpindle bushings: POMBearing ball: Silicon NitrideBearing race: AISI 52100 chrome bearing steel hardened to Rc 60-65 with ACOSUR-ZNA corrosion resistant coating. Made in the USA.24mm Shadow Gray\u003c\/p\u003e\u003c\/div\u003e\u003cdiv id=\"seqbpfeatures\"\u003e\u003cul\u003e\n\u003cli\u003eCompatible with 24mm crank spindles\u003c\/li\u003e\n\u003cli\u003eInstallation and removal with standard 44-16 spline tool (sold separately)\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\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\u003c\/ul\u003e\u003c\/div\u003e","brand":"Wolf Tooth","offers":[{"title":"Default Title","offer_id":43412650459203,"sku":"BTBK1587","price":309.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1608\/6187\/files\/CR2588.jpg?v=1781583894","url":"https:\/\/365cycles.com\/products\/btbk1587","provider":"365 Cycles","version":"1.0","type":"link"}