You'd have trouble getting them through a quill stem ;)
You'd have trouble finding a: a 31.8mm quill stem without a detachable cap or b: a quill stem anywhere near a serious race bike, so I can't see that it's a big issue :-)
@gbj_tester started
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You'd have trouble finding a: a 31.8mm quill stem without a detachable cap or b: a quill stem anywhere near a serious race bike, so I can't see that it's a big issue :-)