Due to its unique construction, the BB386BSA 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 precision-round ceramic TBT bearings for riders who want an edge, or our high-quality Premium bearings.
Premium Bearings are our high carbon steel bearings.
|Weight||120 g / set|
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-27.3