The X-Lock is made of strong and durable materials, a composite matrix construction with aluminum arms. Mounting hardware is included.

Suitable for M5 bolts only

Replacement article. Each Lezyne GPS comes with a standard GPS Mount. Included are two sets of O-rings (two diameters), plus a backup O-ring in each size, a rubber shim and an X-Lock composite bracket. The two super durable o-rings easily attach the GPS holder to the X-Lock mount. The patented X-Lock design will prevent the bike computer from turning off.

The Lezyne HR Flow Sensor has a replaceable CR2032 button cell battery suitable for long-term use. Meets 100% Bluetooth Smart standards for maximum compatibility.

Click here for the manual for the Lezyne HR Flow Sensor Black

Click here to learn more about connecting to a Lezyne Ally App

Features HR Flow Sensor – Heart Rate Monitor

Replacement Micro USB cable to charge your lamp or to import or export data.