Due to its unique construction, the bottom bracket allows you to use cranks with 30 mm spindles with BSA threaded frames. The cups are made with fully precision-machined alloy to ensure a perfect fit in the frame and perfect platform for the bearing. This bottom bracket is available with our high-quality Premium bearings.
16-notch bearing cups with an outside diameter of 48.5mm, torque wrench compatible 3/8" drive.
TF4630-3SP / TF4630-3SPA
Compatible with PARK TOOL:BBT-27.2