julio 22, 2026
E-CRANK ARM SETS | 165mm Carbon arm sets that are compatible with : Bosch SX#BDU31 (Gen4) Bosch CX#BDU37 (Gen4) Yamaha PW-X Motor Giant SyncDrivePro Motor Bosch/Yamaha/giant motor spindle type. These cranks are made for "ISIS" steel spline spindle motors. They install on Bosch, Yamaha, Giant motors and a few other brand motors with steel ISIS Spindles. These cranks do NOT install on Bosch "Micro-ISIS" or "Square Taper" spindle motors ⚠️ NOT FOR BOSCH BDU38 "CX" 2-BOLT MOUNT MOTOR ⚠️