Wireless bike computer R1 ROCKBROS Adaptor It leaves a lubricating and

It leaves a lubricating and protective layer against oxidation

CONVENIENT STORAGE: Foldable design

high-profile 40 mm rims and a flattened handlebar help you cut through the wind

which makes the light drop-proof and wear-resistant

Wireless bike computer R1 ROCKBROS Adaptor It leaves a lubricating and1. PRECISE GPS TRACKING FOR RELIABLE DATA RECORDING Wireless precision technology provides reliable tracking on any route. Experience millimeter accurate speed and distance measurement for professional training analysis. 2. 2. 3" HD AUTO BACKLIT DISPLAY WITH SMART BRIGHTNESS CONTROL Large display automatically adjusts brightness to changing light conditions. Optimal readability in bright sunlight and at dusk. 3. REAL TIME DATA ANALYSIS & APP SYNC Real