Wheels Manufacturing T47 Outboard ABEC-3 Bottom Bracket Di2 Average drag reduction of 75%

Average drag reduction of 75% compared to most BBs

the more carbohydrates you need to sustain performance

Dimension 1

Extra padding made of EVA

Wheels Manufacturing T47 Outboard ABEC-3 Bottom Bracket Di2 Average drag reduction of 75%T47 threaded BB cups for T47 frames and 24. 00mm spindle diameter cranks. Cups have outboard bearings, and are typically used in BB shells with widths from 68mm to 100mm. 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 cups are