Hope EVO GR4 Brake Maximum power for modern gravity bikes Built for downhill, enduro, and the demands of heavy e-bikes, the Hope EVO GR4 is Hope's most powerful brake to date. With 6% more stopping power than the Tech 4 V4, the GR4 combines oversized four-piston calipers with a refined lever feel and a redesigned bore cap for a slimmer caliper design that improves frame clearance. The new, larger pistons and a new lever cam work together to deliver smooth modulation, a shorter throw, and powerful braking force when it counts most. For steep descents and high-speed enduro races, the GR4 is the new benchmark for gravity-capable stopping control. Features Gravity-focused design the most powerful brake in the Hope lineup, and designed for the fastest descents Increased lever hook and new dimple texture add grip and a positive feel during aggressive descents Updated cam profile reduces lever free stroke while preserving modulation Caliper bleed port on the master cylinder body allows for maintenance without removing the reservoir lid One-piece caliper body offers optimal stiffness-to-weight ratio Oversized pistons deliver increased brake force and responsiveness Refined caliper shape improves clearance with tight rear triangle designs SPECIFICATIONSCaliper Type4-piston Mount Type Post Mount Fluid Type DOT-compatible Pad Type Compatible with standard Hope 4-piston pads Weight Not specified Intended Use DH, Enduro, E-MTB | Hope Technology | Evo Gr4 Brake | Silver/red | R/h