Wheels Manufacturing BSA to 30 mm Threaded Bottom Bracket with ABEC-3 Bearings

• Compatible with ISO/English or BSA Threaded (1.37 in. x 24 tpi) bottom bracket/frame interfaces and 30 mm diameter crank spindles
• Not compatible with crank spindles less than 104 mm long
• Measure your overall spindle length with all spacers and adjusters removed, starting from the inside face of the crank arm and measuring to the very end of the spindle
• Fits frames with 68 to 73 mm shell widths; 33.6 to 33.9 mm shell internal diameter
• Machined aluminum cups with replaceable bearings offer increased durability and longer bearing life
• Enduro ABEC-3 sealed, grade 10 chromium-steel ball bearings provide smooth, long-lasting operation
• 52100 high-carbon chromium alloy races are extremely tough and durable for a long life

Made in USA.