The idea behind the Spire Crank was to take the proven 2 & ½ piece system and combine it with a super tough, box-section arm design that will remain incredibly stiff and dent resistant.
After a year of testing from Bruno Hoffmann and t...
Reviews
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Cranks are pretty sweet, seem pretty sturdy. 160mm super comfortable. Welds and overall package pretty neat, arm shape decent for crank arm grinds.