This Strummer external bottom bracket with ISO threading features an inner plastic sleeve to help prevent water and dirt from entering. The external bottom bracket cups are precision-machined for a secure fit on your bike. Includes four alloy spacers to ensure proper fitment on your bike.
Specifications
Compatibility: Road bike & MTB
Width: 68 / 73 mm
Bottom bracket shell inner diameter: 1.37" x 24 TPI
Bearing inner diameter: 24 mm (Hollowtech II)
Weight: 105 g