It features their special tacky compound based on 25a durometer

MAX LOW SPROCKET: 42T(2x11-speed)

The X-Mount series securely holds any phone with any case and offers a minimalist profile

Features an extendable lower arm to accomodate bigger smart phone screens

4-bolt faceplate design

OSPREY Seral 7 - With Reservoir Color:- Aprium Purple It features their special tackyThe Seral lumbar packs are perfect for the mountain biking minimalist. Supremely stable for laps on local singletrack or gravel trails, this off the back hydration solution provides carry for a few key essentials and water. The Seral Series includes a lumbar reservoir. AirScape backpanel with contouring lumbar wrap provides maximum stability Included Osprey Hydraulics 1. 5 L lumbar reservoir by Hydrapak Magnetic hipbelt bite valve attachment Large