Quiver

BB71

Part number
SM-BB71-41A

Specifications

Shell standard
pressfitEstimated
Spindle interface
Hollowtech IIEstimated

Bikes sold with this part

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

Explore the app
A Transition Relay build sheet: frame, fork, shock and drivetrainThe Relay’s ride photo galleryThe Relay’s ride spectrum and 2D frame geometryThe garage: five bikes and 99 recorded partsA Specialized Tarmac SL8 road build sheet