Monocrome Screw-Fit 46 mm Bottom Bracket for replacement and upgrade of press-fit 30 mm (PF30) bottom brackets.  Designed and engineered by Shockcraft's engineer to solve fitment, creaking and bearing life issues.

FIts Mountain Bike frames with 73 mm BB Shell width.
Fits Road & Cyclocross frames with 68 mm BB Shell width by removing internal spacer.

Installs and removes with an IceToolz 11D3 tool, Park BBT-18 tool or equivalent used for ISIS bottom brackets and crank spiders.

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Heavy duty tool for installing and removing all eight-notch bottom bracket cups, including Monocrome SF41 & SF46, Shimano, ISIS Drive, ISIS Overdrive
Due to this tool having 8 sides instead of 6 it is not possible to use with a socket and a torque wrench

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Heavy duty tool for installing and removing all eight-notch bottom bracket cups, including Monocrome SF41 & SF46, Shimano, ISIS Drive, ISIS Overdrive
Also fits Shimano crankset lockrings
Fits a 32 mm hex socket so a torque wrench can be used

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Application: BB30, PressFit 30, BBright & SI Bottom Brackets
ID: 30 mm, OD: 42 mm, W: 7 mm

Special order from USA, lead time 4-6 weeks. Learn More

Application: BB30, BBright & SI Bottom Brackets ID: 30 mm, OD: 42 mm, W: 7 mm Chromium steel ABEC 3 Learn More

Application: BB30, BBright & SI Bottom Brackets ID: 30 mm, OD: 42 mm, W: 7 mm Stainless steel balls and races Learn More