Wheels MFG T47 Outboard ABEC-3 Bottom Bracket for Shimano BX PSI 1x CGX-SL 4mm Shift Housing

1x CGX-SL 4mm Shift Housing

Rim material: carbon

durability and lower rolling resistance

Flexible fabric conforms to shape of puncture and bonds with sealant

Wheels MFG T47 Outboard ABEC-3 Bottom Bracket for Shimano BX PSI 1x CGX-SL 4mm Shift HousingT47 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