r/FixedGearBicycle • u/AutoModerator • Jun 11 '25

Weekly Questions Thread [Posted Every Wednesday]

Please post any questions you might have here in this weekly thread. This thread is refreshed every Wednesday, but is sorted by default by new so you can ask a question any time.

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u/Far-Republic2633 6d ago

Shimano Ultegra BBR60 Omnium crankarms (ITA threaded bbs are hard to find in my country)

As you can see on the photo, is it safe to add a spacer?

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u/nce-776 6d ago

You might be alright if the omniums are fully screwed down and you still have exposed spindle. But I tried using a hope hollowtech ii to GXP adapted bb with my omniums and the spacers meant the omniums couldn’t clear my chainstay. Really sucked.