Specifications

adjustable powercranks training cranks to build stronger leg muscles. crank length adjustable to 172.5 or 175 mm by flipping pedal insert. . the secret training weapon of many prior tour riders. add that extra mph when the going gets tough as these cranks develop unreal strength and endurance when you need that extra gear/extra kick while everyone else is suffering. no longer made and ear. for use with english threaded bottom brackets. comes with crankset, chainrings, isis bottom bracket, and bb installation tool. everything that. you need to start your training.

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