Shimano Dura-Ace FC-R9200 Left Crank Arm - 172.5mm Black MFPN=136008100001 Isolate and tune bottom-out with

Isolate and tune bottom-out with minimal changes to initial and mid-stroke

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Shimano Dura-Ace FC-R9200 Left Crank Arm - 172.5mm Black MFPN=136008100001 Isolate and tune bottom-out withShimano Dura Ace FC R9200 Left Crank Arm 172. 5mm Black. Replacement left crank arms for various Shimano Dura Ace cranksets. TECH SPECS Color Black Length 172. 5 Spindle Interface Type Hollowtech II