David G.
Former professional team mechanic
This bottom bracket is designed for SRAM DUB cranks for downhill MTB frames with 83mm BSA bottom bracket shell. DUB bearings have improved sealing to ensure that the crank works well and lasts longer than standard bottom brackets.
Stabilises the bike during maintenance
for Sram DUB Fat Bike axle bottom bracket
For BSA MTB frames
Mounting a 24 mm axle MTB crankset on a BB30 frame
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