The 'Hope' RX4+ Flatmount Std Caliper is precision-engineered for high performance and enhanced bike control. With its cutting-edge design, it delivers superior stopping power on both your front and rear mounts. The caliper comes with an adapter to allow the use of 180/160mm front and 160/140mm rear rotors, depending on mount type*.

Designed exclusively for use with MINERAL oil systems and is fully compatible with Shimano and Campagnolo dropbar brake systems. It is recommended to use Mineral Oil, Shimano for Shimano applications, and Campagnolo/Magura for Campagnolo systems. This versatile caliper is compatible with multiple models from Dura Ace, Ultegra, 105, GRX, and Campagnolo.

The monobloc design of the caliper enhances stiffness to mitigate the fuzzy lever feel and brake pad rub, promising a smoother ride.

Remember, this top-grade RX4+ Flatmount Std Caliper by 'Hope' is intended for use with a Ø180/160mm rotor and it operates using MINERAL oil brake fluid only. Explore the world on wheels with superior control, confidence and smoothness with 'Hope'!