Shimano BB71 MTB Press Fit Bottom Bracket for 104.5 or 107x41mm
The Shimano BB71 MTB Press Fit Bottom Bracket (SM-BB71) is a MTB press fit bottom bracket with inner cover, for 104.5 or 107mm x 41mm bottom bracket shells.
Key Features:
- Complete saint level press-fit bottom bracket assembly for Shimano hollowtech ii MTB cranks
- cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damage
- set includes left and right hand cups, inner cover, and inner o-rings
- sealed cups keep out dirt and water
- maintenance free
- compatible with the press fit equivalent of 83mm shells, 104.5 or 107 mm
- 41 mm cup diameter
- easy press-fit installation

Description
The Shimano BB71 MTB Press Fit Bottom Bracket (SM-BB71) is a MTB press fit bottom bracket with inner cover, for 104.5 or 107mm x 41mm bottom bracket shells.
Key Features:
- Complete saint level press-fit bottom bracket assembly for Shimano hollowtech ii MTB cranks
- cups are made from fibre reinforced polymer material which reduces the risk of frame noise and damage
- set includes left and right hand cups, inner cover, and inner o-rings
- sealed cups keep out dirt and water
- maintenance free
- compatible with the press fit equivalent of 83mm shells, 104.5 or 107 mm
- 41 mm cup diameter
- easy press-fit installation











