Product Description

• Road bottom bracket version has non-contact seals for minimum rolling resistance
• Forged and CNC machined anodized alloy cups
• English threads 1.37″ x 24TPI available
• (2) Grade 3 Si3N4 ceramic hybrid fully-sealed bearings
• Compatible with Shimano / SRAM / Truvativ / Bontrager / FSA external cranksets
• Bearings can be easily removed and easily replaced while leaving cups installed (must remove crank set though)
• Light weight = 87 grams ROAD version
• Can be used with or without plastic sleeve