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 the 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.

Specifications

• Type - Threaded
• Bearing Type - Ceramic
• Shell Width - 28.9mm
• Thread type - English Threaded
• Spindle Diameter - 30mm