PF30L-DUB shallow insert for Sram DUB cranks Bearing Type:Corrosion Resistant Ceramic Bearings The T47 Asymmetric bottom bracket

The T47 Asymmetric bottom bracket standard was introduced on the Factor Ostro VAM and Cervelo R5CX and will fit your favorite crankset on a T47a frame with a 79mm width for Cervelo or a 77

For Dura Ace 9000 and Sram road short cage derailleurs

tighten down the cinch bolts to the recommended torque

Choose road bearings for lowest friction on road bikes or cross bearings if durability is key (that's for you

PF30L-DUB shallow insert for Sram DUB cranks Bearing Type:Corrosion Resistant Ceramic Bearings The T47 Asymmetric bottom bracketThis bottom bracket features a shallower insert compared to our regular PF30 DUB, which makes it perfect for metal frames with internal wires or carbon frames with a reduced contact area in the bottom bracket shell. It will fit Sram DUB crank spindles on a PF30 frame. It moves the bearings out of the frame in order to make a wider and stiffer set up. Bearing wear is greatly reduced with this wider set up compared to a standard PF30 setup with spacers.