Session T47 Bottom Bracket Aluminum with Ceramic Bearings 68/73 - 30mm/DUB/24mm Axle (Shimano)

Bottom bracket T47

Threaded bottom bracket for T47 68/73 frames for cranks with 30MM/29MM(DUB)/24MM(shimano) axle

Aluminum cups with sealed bearings on both sides

T47 hubs are similar to standard BSA threaded hubs, but one side of the unit is left-hand threaded and one side is right-hand threaded.

Specifications:

Material: Aluminum
2 ABEC5 hybrid ceramic bearings
Diameter: 46.76mm
Weight: 115g

Abec5 Ceramics

Ceramic bearings utilize G5 grade ceramic balls and are combined with a precision machined steel race, providing excellent rotational performance for cyclists. 


 P05 precision steel ball bearings for reassuringly high smoothness and durability. 0.005 mm for raceway eccentricity (out of roundness) on the inner race. 
This is precision