Ascent Revolution Bottom Brackets - T47 Asymmetric GiantJuneSale Designed for internal frame routingCylindrical

Designed for internal frame routingCylindrical upper clamp nuts simplify installationMore vertical head clamp bolt angle increases clamping forceAdjustable air sprung hydraulic cartridgeLighter weight

and the RideControl Dash full-color display (on select models) makes it easy to keep track of battery level and support mode

redefined for the modern racer

spring loading and material endurance

The pleasant outer material and the special structure of circular and cross elements in the protector make for top-class ventilation and maximum wearing comfort

Ascent Revolution Bottom Brackets - T47 Asymmetric GiantJuneSale Designed for internal frame routingCylindricalETA:: 1 2 Weeks 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,