Many of the parts for this build were obtained second-hand, but that would have been a false economy with the drive components - and would have been impossible with the wheels. Wheels are Shimano RS400 cassette hubs built with stainless spokes onto Ukai double-wall narrow 451 rims. Rear mech, cassette and chain are new. The 12-28T cassette, in combination with a 53T chain ring, gives gears of 39 to 90 gear inches.
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