Hope Tech EVO GR4 Disc Brake - Rear - Left Lever - 2000mm - Black - Purple Heavy/Bulky They are designed for use

They are designed for use with Magura brakes and are available in a resin-organic compound:

Pros: One of the best options for a gnarly eMTB carbon rim

Don't let their casual style fool you

Colour: Anodised black

(32mm x 178mm)

Hope Tech EVO GR4 Disc Brake - Rear - Left Lever - 2000mm - Black - Purple Heavy/Bulky They are designed for useMaximum 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