Osprey Siskin 12 Backpack with Reservoir - Black - 12L Pack - 2.5L Bladder YGroup_7034282573869 52mm "standard" Q-factor

52mm "standard" Q-factor

You will need to disassemble your bike though

46mm wide and 54mm tall

Hub body: 6061 Alloy

Spare visor screws

Osprey Siskin 12 Backpack with Reservoir - Black - 12L Pack - 2.5L Bladder YGroup_7034282573869 52mm "standard" Q-factorA high performing mountain bike pack that carries just enough gear, the Siskin provides stability and comfort on every trail. Featuring unique fabric treatments, room for critical gear, and an included updated Hydraulics LT 2. 5L reservoir. Key Attributes Reservoir included Osprey Hydraulics LT 2. 5L reservoir and sternum strap magnetic bite valve attachment. Ride stability A rolled, soft edged harness and airmesh wrap hipbelt create comfortable and