CATEYE OHR-31 OPTICAL HEART RATE SENSOR Giant-kids Suitable for tubeless conversion with

Suitable for tubeless conversion with optimized foot area for a reliable seal

This full-carbon

then machined for weight reduction

High-visibility yellow with 360-degree reflective elements to increase visibility

Race Weight - The all-new Fatbar Carbon retains a market-leading light weight

CATEYE OHR-31 OPTICAL HEART RATE SENSOR Giant-kids Suitable for tubeless conversion withIntroducing the OHR 31 Optical Heart Rate Sensor, the perfect balance of performance and convenience. This compact wrist watch style device offers dual band Bluetooth 5. 0 ANT+ capability for easy connection to cycling computers and smartphone apps, plus USB rechargeable battery with up to 24 hour run time. IPX7 rated to withstand the elements, the OHR 31 also features an LED low battery indicator and auto shutdown mode for maximized battery life.