Screw-Fit BB

Monocrome Screw-Fit 41 mm Bottom Bracket for replacement and upgrade of press-fit BB86 and BB92 bottom brackets.  Designed and engineered by Shockcraft to solve fitment, creaking and bearing life issues.

Fits Shimano, RaceFace, FSA etc 24 mm crank spindles.
Fits SRAM/Truvative GXP with optional "Engagement Ring" adapter set.
FIts Mountain Bike frames with 92 mm BB Shell width (incl 89.5 mm with 2.5 mm spacer - purchase spacer separately here).
Fits Road & Cyclocross frames with 86 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.

Optional extras (purchased separately):
Installation tools - IceToolz 11D3 tool or Park BBT-18 tool
2.5 mm spacer (for MTB frames with 89.5 mm shell width)

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.