All their designs are tested to failure

You need socks when riding

They are excellent cranks for the money

its Full Mount attachment method creates a far stronger connection that grips both sides of the frame

Lightweight casing (120 TPI option): Designed for maximum performance in racing situations

Crank Brothers Synthesis Carbon E-MTB Wheelset - Front and Rear - 29 Inch & 27.5 Inch - 15x110mm Boost & 12x148mm Boost - Carbon - 29.5mm - 6 Bolt - XD Driver PLP|Riding Style All their designs are testedUltimate control and stability for E MTB trail riding. The Crankbrothers Synthesis E MTB Carbon wheelset is purpose built to enhance control and stability for pedal assist all mountain and trail riding. With front and rear specific tuning, this system is designed to meet the unique performance demands of E MTB ridingcompliance up front for superior grip and handling, and stiffness in the rear for maximum power transfer and stability under heavy loads.