FOX Proframe RS Full Face Helmet Size:- Small / 20.1-21.7" Rear Derailleur: Shimano GRX RX810

Rear Derailleur:  Shimano GRX RX810

Rear Wheel:  Shimano RS470 12 x 142 mm hub

Battery life: 4 hours solid or night flash

Or you can run 160 in the front and 140 in the rear to balance your braking

Nothing holds you back from entering the All-Mountain thrills with the M 1900 Spline wheels

FOX Proframe RS Full Face Helmet Size:- Small / 20.1-21.7" Rear Derailleur: Shimano GRX RX810The Proframe RS Helmet takes the lightweight breathability of the Proframe and takes it to the next level of safety and performance. Featuring the all new Mips Integra Split protection system, which combines a dual density foam for high and low speed impacts and a low friction layer between the two layers designed to reduce rotational forces in a crash that would otherwise be transmitted to the brain. Designed to meet the needs of all mountain riders