Apidura Backcountry Series Hydration Backpack Variant:Backcountry Hydration Backpack S/M here the PTE 34t ring

here the PTE 34t ring is equivalent to a 32t round ring

With this SPD mechanism

Quicker Piston retraction

Material: Premium Chrome Vanadium Steel

DU plus cartridge bearing axle system

Apidura Backcountry Series Hydration Backpack Variant:Backcountry Hydration Backpack S/M here the PTE 34t ringDesigned for mountain biking and long rides in remote locations where extra water carrying capacity and increased storage are essential, the Backcountry Hydration Backpack adds significant capacity and versatility to mountain bike setups. It features our custom 2L fast flow bladder, a 12L main storage compartment and an additional 2L of capacity spread across easy access pockets. Constructed from a lightweight, breathable 3D mesh, the Backcountry