QO cranks · 29 mm DUB spindle
Find the exact bottom bracket for your bike
Switching from Shimano? Your new QO cranks need a DUB-compatible bottom bracket. Tell us your bike and we'll tell you the exact model — no guesswork.
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We couldn't find that bike yet. Use the guided identifier — it takes 30 seconds — or send us your bike model and we'll answer fast.
Verified for stock builds. Custom build or swapped frame? Double-check or ask us.
Look where the crank axle enters the frame. What do you see?
Any markings on the cups or around the shell?
How wide is the T47 shell?
Measure the inside diameter of the frame opening
How wide is the frame shell, side to side?
Let's find it another way
Search your bike model in our database, or send us a photo of your bottom bracket area — we'll identify it for you, usually within a few hours.
✓ Compatible with QO cranks
PF30
⚠ Assign a product to this standard in the theme editor.
✓ Compatible with QO cranks
✓ Compatible with QO cranks
✓ Compatible with QO cranks
✓ Compatible with QO cranks
✓ Compatible with QO cranks
✓ Compatible with QO cranks
✓ Compatible with QO cranks
✓ Compatible with QO cranks
✓ Compatible with QO cranks
Not compatible with 29 mm spindles
Trek BB90/95
BB90/95 frames can't fit a 29 mm spindle — the bearings sit directly in the frame and there's no room. We'd rather tell you now than after you buy.
Ask us — we answer fastYour frame needs a special solution
This bottom bracket standard needs a specific setup. Write to us with your bike model and we'll confirm the exact part you need — usually within a few hours.
Ask us — we answer fastNot sure which crank length fits you best?
Enter your measurements and get your guide by email
