Bleeding Edge™ – New bleed porting and fluid path make it easier to push fluid through the caliper for quick and easy bleeding, dedicated bleed adapter for the S4 caliper plugs into the bleed port and seals the system to minimize air contamination and fluid loss.

DirectLink™ – SRAM's DirectLink lever design produces a solid, positive feel the second you squeeze the lever to engage the brake. It offers a no-nonsense solution to give you precise control.

Heat Shield – The stainless steel heat shields breaks the thermal connection between the pad and caliper body, reducing caliper fluid temperature by about 20C even in the most extreme testing conditions.

Matchmaker™ and MMX Compatible – Save weight and clutter on the bar with Matchmaker. It holds Avid levers, SRAM® triggers, and various RockShox® controls, all with one tidy, light, clamp--a dream come true for handlebar component footprint conservationists the world over. Available in two versions: Matchmaker™ X integrates the RockShox®XLoc and is compatible with XX and X0 brakes. Standard Matchmaker™is also available and works with any split-clamp design and RockShox® PushLoc.

Brake Lever Actuation – Hydraulic

Brake Lever Mount – Left or Right (Ambidextrous)

Blade Material – Stamped Aluminum

Guide Caliper – 4-Piston, Dual Diameter Caliper

Pad – Steel-Backed Organic

Recommended Rotor Type – 1-Piece CenterLine (Sold Separately)

Fluid – DOT 5.1

Rear Brake Hose Length – 1800 mm

Front Brake Hose Length – 950 mm