Bike Protect is liquid bicycle protection

enabling the trainer to communicate with apps and control the resistance unit

It also works very well with 9-speed road derailleurs

Ergonomic handles make for engaging and releasing without painful biting into your hands with 4 holes drilled out to reduce weight and also create a racing styled look

Shimano GRX BL-RX810 Hydraulic Disc Brakelever Left Series Color pickuponly Bike Protect is liquid bicycleSHIMANO GRX Hydraulic Disc Brake DUAL CONTROL LEVER SERVO WAVE ACTION 1x11 speed The SHIMANO GRX BL RX810 L shifter bring greater rider control for mixed terrain riding thanks to SHIMANO's category leading hydraulic disc brakes. Greater mixed terrain control Gravel inspired lever and bracket ergonomics Anti slip ribbed surface texture and brake lever coating