I've got a pair of silver Tekro R556s if you're interested, they're nutted rather then Allen bolts but have a 73mm drop. I used them on a 27" wheel frame with 700c wheels.
Do you still have these, @SimonInd ?
@SimonInd started
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I've got a pair of silver Tekro R556s if you're interested, they're nutted rather then Allen bolts but have a 73mm drop. I used them on a 27" wheel frame with 700c wheels.