External T47-eDUB for Sram DUB Cranksets derailleurtype-Sram This set replaces the bolts

This set replaces the bolts that hold the upper and lower pulley

R8000 11-speed Ultegra series

The specific 14 tooth upper and lower pulley wheels are built to last: aluminum cogs

you will need a mixed set of drifts

External T47-eDUB for Sram DUB Cranksets derailleurtype-Sram This set replaces the boltsThis bottom bracket will fit any Sram DUB crankset on a T47 frame with 68mm wide bottom bracket shell. This Kogel Bearings T47 external bottom bracket can be installed with Park Tool BBT 79 or any 12 notch bottom bracket tool fittings with a nominal inner diameter of 44mm. Choose road bearings for road bikes, cross bearings for mountain bike, gravel and cyclocross or if you frequently ride your road bike on wet roads.