Specifications
E-CRANK ARM SETS | These Alloy or Carbon arm sets that are compatible with :
- Bosch SX Motor#BDU31
- Bosch CX Motor#BDU37 (Not BDU38!)
- Yamaha PW-X Motor
- Giant SyncDrivePro Motor
BUY THIS IF :You want wanting to change length or upgrade your eCrank for the Bosch, Yamaha or Giant motors.
MTN or Road use
MOTOR
BOSCH "CX" Motor#BDU37 with ISIS spindle
BOSCH "SX" Motor#BDU31 with ISIS spindle
GIANT SyncDrive Pro -With ISIS spline spindle
YAMAHA PW-X -With ISIS spline spindle
MATERIAL
Left & Right arm set
Forged Alloy
REF. WEIGHT
380g : Carbon (165mm w/boots)
454g : Alloy set 155mm
554g : Alloy HD set 155mm
Q-Factor
These are the Qfactors when you install this crank on these motors :
Q = 180mm : on Bosch BDU37 or BDU31 motor
Q = 170mm : on Giant/Yamaha motor
MAIN BOLT
8mm AL main crank bolt for Install/Self-Extract | 50Nm torque
Our eCranks with ISIS Spline use our replaceable M24 alloy Main bolt/Self extractor
VIP NOTE
MOTORS - Check your 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 ⚠️