Available in both Shimano-standard (HG) freehub and SRAM (XD) Driver options

a high and low bridge fit

or the set tube/seat stay intersection at the rear of the frame

they feature air pressure release valves

Oakley Drop In D30 Full Impact Shirt - M - Black PDP|PLP|Brake Rotor Type Available in both Shimano-standard (HG)Worn under your jersey, this shirt offers unparalleled freedom of movement and breathability, along with certified levels of performance that exceed the requirements of EN 1621 1: 2012 (level 1) and UKCA standards. The moisture wicking stretch mesh fabric keeps you feeling fresh and dry while pushing your limits. D30 polymer is activated by your body temperature to conform to your physique. EVA padding around the ribs and D30 Ghost chest, back, and