Stages GRX RX810/820 Power Meter Left Choose:172.5mm 4L Compartments 1 Primary Color

4L Compartments 1 Primary Color Black

Built for all-day comfort

It is not compatible with standard butyl bicycle tubes and cannot be used on P ZERO SmarTUBE RS models

The kit also includes an adjustable press stop and speed spacers for quick and easy adjustments

Stages GRX RX810/820 Power Meter Left Choose:172.5mm 4L Compartments 1 Primary ColorThe Stages Gen 3 Stages Power L GRX RX810 power meter integrates onto a non drive side Shimano GRX RX 810 crank arm. It provides consistent and accurate power measurement through automatic temperature compensation. This system is compatible with all Shimano GRX cranksets, offering data for various cycling disciplines. Calibrated individually, the power meter ensures a + 1. 5% accuracy level in all conditions. Its low profile design adds minimal weight