Zoom XTECH Semi-Hydraulic Brake Calipers Options:BL Dedicated fit for CH125 and

Dedicated fit for CH125 and CH150 liquid-cooled platforms

75 folding bead

Head set display steering stem / gooseneck / handlebar clamp fits NIU KQi1 Pro model scooters

Compatibility: 2-stroke and 4-stroke Genuine models

Zoom XTECH Semi-Hydraulic Brake Calipers Options:BL Dedicated fit for CH125 andZoom XTECH semi hydraulic brake calipers for electric bikes and scooters. Semi hydraulic brake calipers utilize your stock mechanical brake cable but have a hydraulic piston in them to amplify the force applied to the rotor when the brake lever is pulled. A super easy braking upgrade for e scooters, e bikes, and even regular bicycles with cable pull disc brakes! Aluminum Construction For 180mm Front Caliper or 160mm Rear Caliper Universal Fit