The 39mm end is the right size for XTR BB93 (as well as DuraAce 9000 and some Token BB's) external bottom brackets

nothing beats a good set of T-handle wrenches for when you're wrenching at home

Garmin Swim

The patented super-wide slide top opening makes it easy to load up with ice on hot days and turn inside out to clean when your adventure is complete

you can maximise your visibility and battery life depending on the conditions

Park Retaining Ring Pliers - Straight Nose - 1.7mm Internal PDP|PLP|Brake Rotor Type The 39mm end is theGet the right tools to work with internal and external snap rings Having the right tools for the job makes your life a whole lot easier. We've seen plenty of people try to do a bodge job and remove snap rings from delicate parts with the wrong tools. It's not worth it, and the hassle of hunting down replacements for your mangled snap rings will more than outweigh the few dollars you might save. These quality tools from Park will do the job in seconds,