7iDP Project 21 Pro Trail Helmet Matte Black Camo XL/2XL MFPN=11.7018.088.000 The aggressive tooth design provides

The aggressive tooth design provides better chain retention for a smoother more efficient pedal feel

BATTERY: 72V40AH (2880WH)  SAMSUNG SWAPPABLE LITHIUM

Whether it's needed for exercise or just to feel the simple joy of riding again

Timberwolf and Ascent mountainbikes

use 12-notch for 46mm outside diameter BB tool

7iDP Project 21 Pro Trail Helmet Matte Black Camo XL/2XL MFPN=11.7018.088.000 The aggressive tooth design providesERT System (Energy Reduction Technology) Patented 4mm layer of lightweight polymer material dissipates both linear and rotational impact energy Conehead Technology 21 Cooling Vents Easy position Visor angle CRV (Crash Release Visor) System 7iDP Rear Dial Adjuster with adjustable mounting points AGION Anti Microbial Liner TF (Through Flow) Goggle Ventilation Fidlock Magnetic Closure Meets CE, CPSC, AS Standards Sizes: XS S, M L, XL XXL Weight: 402g +