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SRAM DUB 44mm to 49mm bottom bracket adapter — image 1
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SRAM DUB 44mm to 49mm bottom bracket adapter

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Bottom bracket (BB) tool

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Category
Tools
License
Creative Commons — Attribution

Originally posted by rzschokke on Thingiverse:

Use this to adapt a 44mm, 12 spline bottom bracket socket tool (such as Park Tool BBT-79) to a 48.5mm bottom bracket.

I already owned a BBT-79, but when I replaced my SRAM DUB BB with something nicer (the Wheels Manufacturing BB-BSA29-BB) I didn't want to buy yet another BB socket. So, this is a replacement for the Park Tool BBT-27.2

Was able to torque to 38 ft/lbs successfully with no failure or visible wear.

This should fit other 16 spline, 48.5-49.3 mm bottom brackets as well, such as FSA MegaEvo, Wheels PF30, and more.

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