T47 Inboard threaded bottom brackets are made from machined aluminum, and thread together directly into T47 frames. Cups have internal bearings for use in BB shell widths from 68mm to 132mm.

• High quality Enduro bearings can be easily serviced or replaced
• Similar to standard BSA threaded cups; the drive side cup is left-hand thread and the non-drive side cup is right-hand thread
• For use 30mm crank spindles in frames with T47 interface
• Fits 68mm - 132mm shell widths
• Enduro ABEC-3 sealed bearings are replaceable
• Grade 10 chromium steel balls, 52100 High Carbon Chromium Alloy Races provide smooth crank rotation
• Machined aluminum cups with durable anodized finish
• Made in the USA