Wheels MFG T47 ABEC-3 Bottom Bracket for DUB Bikebox The addition of silver yarn

The addition of silver yarn provides antimicrobial

Dura-Ace BR-R9270 / BR-R9170

Compatible with LINKGLIDE 10/11-speed and 11-speed HYPEGLIDE drivetrain system

Apply upon installation or if you're disassembling and reassembling parts of your bike that require smooth-running

Wheels MFG T47 ABEC-3 Bottom Bracket for DUB Bikebox The addition of silver yarnT47 threaded BB cups for T47 frames and 29mm diameter spindle SRAM DUB compatible cranks. Cups have internal bearings, and can be used in BB shells with widths from 86mm to 121mm. Machined aluminum cups thread together directly into a T47 BB shell. Bearings are easily serviced or replaced. Includes sleeve to fit between cups for added protection from dirt and grime, and also keeps your internal wires and hoses from rubbing on the crank spindle. T47 BB