M2S Bikes | Electric Bikes Replacement Cranksets

These replacement crank arm sets are designed to fit various M2S models. The Prowheel 170mm 36T square taper crank arm feature a plastic chainring and are a great budget crank arm option. These were the OEM parts for 2016-2018 era All Terrain R750 Series bikes. The Prowheel Zephyr 170mm 38T square taper crank arm set features a full metal design with metal chain guides for improved durability wh…