Stages Power L Shimano 105 R7100 Left Crank Arm Factory Install Service
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Send in your Shimano 105 R7100 left crankarm and we'll send it back as a Stages Power meter. The Stages Power meter is built on a customer provided Shimano 105 R7100 left crankarm. It's placed on the non-drive side crank and is compatible with all Shimano Hollowtech II road bottom brackets.