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  1. There’s a plastic decorative piece that goes on the head of the crank fixing bolts, it’s decorative/keeps the crank extractor threads cleaner. It’s not a huge deal if it’s not there though.

  2. Away-Computer-8741 on

    Who is the manufacturer of the bike? The plastic part that says Bosch on it, just behind the crank came off on my bike and I contacted trek, fully expecting to buy the part and they sent me the part free. Might be worthwhile sending an email to whoever made the bike

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