Photo 1 of Aluminium Alloy Crank Arm Set - 170mm Left Arm Replacement for Mountain & Road Bikes, Horizontal Square Hole (Black)

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Photo 1 of Aluminium Alloy Crank Arm Set - 170mm Left Arm Replacement for Mountain & Road Bikes, Horizontal Square Hole (Black)Photo 2 of Aluminium Alloy Crank Arm Set - 170mm Left Arm Replacement for Mountain & Road Bikes, Horizontal Square Hole (Black)