The TRP Trail EVO was born from technology proven in World Cup DH and tuned for the demands of Trail bikes and E-MTBs. - Brake lever features an ergonomic, Aaron Gwin designed, alloy lever blade with dimpled accents for better grip on the trail - 10mm internal brake lever piston - Adjustable lever reach - I-Spec II compatible with I-Spec EV adapter option (Sold separately) - Caliper features 4 stainless steel pistons and is designed specifically for use with a 2.3mm thick rotors - Top loading pad design - Performance resin pad compound offers increased heat stability and shorter bed-in process - Stiff 5.0mm hose for easier internal routing and better transfer of hydraulic power - Rotor and adapter sold separately