The design of the Tech 3 X2 Disc Brake is where the piston is actuated by a cam and a roller system

or vertically mounted to Avid MatchMaker clamp

so it can take a bit of additional force on the cap to let the air out of the tyres

Weight: 105g per pair

SRAM GX Eagle ISIS E-MTB Crank Arms - ISIS Spline - 170mm - Dark Polar - No Spider - No Chainring - Pair PDP|Option The design of the TechThe GX Eagle E MTB crank features the All Day spirit brought to the new transmission, optimised for pedal assisted riding. The unique design is forged from aluminium for robustness and dependability without compromising weight. SRAM Brose and Bosch motors pair with SRAM's "gap cap" for an aesthetically pleasing integrated look.