• Yes.

    I've got one of Tester's OG UTP (alloy) which has been machined to take a 1/8" ring.

    You don't want to do that with carbon (obvs), so your options are a) machine the ring, b) get a ring made by Fibrelyte, or c) go 3/32".

    When I got some carbon cranks, I was going with a). However once I learned that the use of 1/8" is largely down to tradition and the only practical consideration is being able to swap spares at the track, I stuck with 3/32".

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