BBInfinite's one-piece DUB PressFit bottom brackets give you the incredible spin and silence you're looking for. Here's a link to the official SRAM DUB installation video. Use these instructions for the crank installation portion only: SRAM DUB INSTALLATION
Intro: DUB is taking the mountain bike world by storm, and BBInfinite has a full line of one-piece bottom brackets to take your ride to the next level. Let's do an install right now. After thoroughly cleaning the bottom bracket shell, start the module by hand. If you're using our MTS-1 press, install the plastic driver and then the backing washer like so, with the washer up against the drive nut. Next, install the press with the correct end of the installation cup facing the frame, which you can easily determine by reading the words molded into the plastic. Drive the module in about two thirds of the way and stop. Disassemble the press for a look inside to make sure everything is going well. Apply the provided Vibratite compound. Then reassemble the press. You should hear some creaking and popping. This indicates the Vibratite is instantly curing in the absence of air as it's being squeezed by the interference fit of these parts. Drive it until the flange kisses the frame at any point. It may not touch all the way around because many frame shells are not square. Now think about that. Screw together bottom brackets and regular two-piece press-ins always sit flush, and this is because the frame is determining the alignment, or lack thereof, of your bearings. Not so with our one-piece design which always maintains perfect bearing alignment no matter a frame's deficiencies. This is the key factor giving BBInfinite modules amazing spin. Outro: You may have noticed these striking, red derailleur pulleys.
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