These Phil Wood Bottom Bracket Cup Mud Guards are designed to protect your Phil Wood bottom bracket cups from dust, dirt and mud that can accumulate in and around the bottom bracket cup splines.

The Mud Guards are designed with a drain opening which allows any moisture between the bearings and mudguard to vent out. Install these onto any Phil Wood square taper bottom bracket cup sets.

Each set of Mud Guards comes with 4 rubber o-rings, (preinstalled and two replacement).

American made in USA (U.S.A.)