MK0 English (BSA) Ceramic Bottom Bracket

Wolf 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.

• Compatible with 30mm crank spindles
• Installation and removal with standard 44-12 spline tool (sold separately)
• Includes (2) 2.5mm shell spacers, along with (2) 0.5mm, (2) 1mm, (1) 2mm, (1) 3mm, and (1) 5mm spindle spacers