Wahoo TRACKR Speed Sensor - Black YGroup_8306336956461 Min Rotor Size: 160mm

Min Rotor Size: 160mm

which adds functionality to the already-versatile master link pliers

MicroSpline and Sram XD freehub body options available

For both standard square type and Shimano Octalink

Palm Style: Single layer polyurethane palm for weather protection and good bar feel

Wahoo TRACKR Speed Sensor - Black YGroup_8306336956461 Min Rotor Size: 160mmThe 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