Ascent Revolution BB - T47

The Revolution T47 BB provides the ultimate in threaded bottom bracket performance.

A precision-machined custom two-piece full Aluminium 6061-T6 shell enforces the alignment between the two halves for impeccable smoothness.

A specially-narrowed neck helps to provide clearance for internal frame fittings and cables, improving the compatibility with more frames.

We use top-grade NTN 6806 LLB precision steel bearings for durability, reliability, and smoothness. Each bearing can be removed and replaced using standard bearing tools, allowing the bottom bracket to be used for a long lifetime.

Weight: About 130g

Frame compatibility: T47 External / Internal

Tool Compatibility: Park Tool BBT-47 (16 notch)

Crank compatibility: 30mm spindle (long), SRAM DUB (28.99mm axle), Shimano Hollowtech Road (24mm axle), GXP (with optional sleeve)