Wahoo TRACKR Speed Sensor - Black YGroup_7590830833709 Finished with a distinct

Finished with a distinct

you can use gyro tabs that line up with the bottom of the small G1 (69mm) however

OVERBROW VENTILATION™ — Overbrow Ventilation features intake ports on the brow of the helmet to usher in cool air and push it through the air-channel matrix for full-head ventilation

Compatible with STEPS E6100 series

Wahoo TRACKR Speed Sensor - Black YGroup_7590830833709 Finished with a distinctThe Wahoo TRACKR Speed Sensor is a sleek, magnet less solution for capturing cycling speed data. It mounts easily to your bike's front wheel hub and uses Bluetooth Smart and ANT+ dual band technology to connect and display data on both smartphones and bike computers. Dual LED lights indicate device connection and speed detection at a glance, and the universal fit accommodates most hub sizes. Specifications Dimensions: 3. 5cm (w) x 3. 2cm (h) x 1. 8cm