Hope Tech EVO GR4 Disc Brake - Rear - Left Lever - 2000mm - Silver - Black Back in Stock This can be called either

This can be called either Press Fit 30 (PF30) or Specialized OSBB

bigger isn't always better

Who's this item for: Riders looking for a durable

Who's this item for: Riders that don't want to have to tap a thread on their steerer tube in order to install the EDC Tool

Lower Leg Arch: Just like the new 38 and 40

Hope Tech EVO GR4 Disc Brake - Rear - Left Lever - 2000mm - Silver - Black Back in Stock This can be called eitherMaximum power, zero compromise. Engineered for gravity and E bike use, the one piece GR4 caliper features a stiffer one piece body, larger pistons (6% more power vs Tech 4 V4), and a slimmer profile for better frame compatibility. They are deliberately not compatible for vented rotors, to maximise caliper stiffness and performance. EVO Master Cylinder: The Master cylinder features a new cam mechanism to reduce free stroke while maintaining the feel