Shimano Tiagra 4700 Hollowtech 2 Crank Arms. Shimano Tiagra 4700 rings only. 24mm axle. for use with Hollowtech 2 type bottom bracket. Length 170mm. genuine Shimano product. left + right arms (as pictured).
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Shimano Tiagra FC-4700 FC-4703 Left Hand Crank Arm Hollowtech II (170mm) NEW