They have a steel backplate and come in two compounds: organic and sintered

Compatible with all air spring MTB suspension

SID 35mm Solo Air

Who's this item for: The Katari is the Men's version of this pack but it is perfect for anyone looking for a lightweight and low-profile hydration pack with a quality reservoir

Frame suitable for medium to large faces

Lezyne Control Drive CO2 Inflator - Red - With 1 x 25g Co2 Replace Images They have a steel backplateA CNC machined aluminium CO2 inflator with brass internals. The CNC control knob twists for easy and controlled inflation. Twin Slip Chuck head presses on to Presta and Schrader valves. Neoprene sleeve insulates hand from cold during discharge. Compatible with threaded CO2 cartridges. Includes one 16g or 25g cartridge.