I'm building up a new bike and found this part on the floor under my work stand. So far today I've fitted the front and rear derailleurs and the sti levers. Does anyone know where it could of come from?

For reference it's a Specialized allez sprint and the group set is Shimano 105 di2. I've also unboxed and offered up the brakes but not started fitted yet so it could of come from there?

TIA

by DaleF23

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8 Comments

  1. Similar-Animator4362 on

    Looks like brake parts. Them washers are usually for setting brake calipers

  2. unassailableone on

    Brake pad leveling washer perhaps …. Often they are a cone and a cup style washer that fit together and when tightened allow your pads to parallel the wheel perfectly. So they arnt tight on the leading or tailing edge ..

  3. MaxHeadroom69420 on

    Too tall / round to be a conical brake washer. Looks like a washer for a seat post rail clamp

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