the 100cc will inflate faster in addition to being able to carry a cartridge

good retention system

it's primarily an EPS impact foam construction which in combination with the right fit and MIPS webbing reduces impact shock to your brain in the case of an impact

Wind and water protection - The shorts use a windbreaking material treated with a fluorocarbon-free DWR treatment for light shower protection

Ventilation: 21 vents throughout

Fasthouse Alloy Rally Youth Long Sleeve Jersey - Youth S - Clay - Black PLP|Largest Cog the 100cc will inflate fasterThe Alloy is the "bee's knees" jersey from Fasthouse MTB Apparel and the Rally certainly lives up to their motto of "Speed. Style. Good Times." Featuring FastDri moisture wicking fabrics, a slim 'race' fit, mesh vents on the back and armpits, drop tail, interlocked flat seams and an overlapping V Cut collar, the Alloy Rally is big on style, performance and comfort. Who's this item for: This jersey is suitable for a wide range of riding styles when you