The HS33 R – each challenge has grown up. The HS33 R – the hydraulic rim brake in radial position. With increased braking force, reduced weight and a its perfect ergonomics, it is the ideal partner for around town and terrain – no matter if on the electric bicycle, Pedelec or classic. Make sure testing. The worry-free brake higher braking performance + 5% less weight (15 g) modern Radial design Material of housing: Carbotec -- technology: Vollhy Drau For caliper brakes, closed system without expansion tank, easy to install with the EVO2 system Weight: 449 g