EXT Superlight V2 Springs, 65mm and 75mm (225 - 600lb) Model=E3 BO ISIS eBike Crank Arm Set for Bosch GEN 2/Yamaha Intended for the m

Intended for the m

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Color Purple Crank Length (mm) 165 Pedal Spindle 9/16" Spindle Interface Type ISIS Designed for ebike Yes Defined Color Purple

EXT Superlight V2 Springs, 65mm and 75mm (225 - 600lb) Model=E3 BO ISIS eBike Crank Arm Set for Bosch GEN 2/Yamaha Intended for the mSuper Alloy Spring (proprietary super light design) Highly Linear Ratio Hard Epoxy Coating Internal Diameter: 38. 5 mm The lightest steel springs on the market Developed in our automotive racing programs First dedicated to fine tuning with 25lbs increments Adaptable for all type of dampers in the market Life duration: over 500,000 cycles