With angular contact bearings on the drive side and radial on the other, this Wheels Manufacturing BSA Outboard Threaded bottom bracket for 22/24 mm road spindles provides smooth power application.
Features
Compatible with ISO/English or BSA Threaded (1.37 in. x 24 tpi) bottom bracket/frame interfaces
Compatible with SRAM/Truvativ GXP road cranksets with a 22/24 mm spindle diameter
Fits frames with a 68 mm shell width; 33.6 to 33.9 mm shell internal diameter
Machined aluminum cups with replaceable bearings offer increased durability and longer bearing life
Chromium-steel ball bearings provide smooth, long-lasting operation; Enduro Angular Contact sealed grade 5 on the drive side and ABEC-3 sealed grade 10 on the non-drive side
52100 high-carbon chromium alloy races are extremely tough and durable for a long life
Includes one 2.5 mm aluminum bottom bracket cup spacer, two 0.5 mm and 1 mm crank spindle spacers, 1 wave washer, and 2 Enduro silicone dust seals