Osprey Siskin 12 Backpack with Reservoir - Blue - 12L Pack - 2.5L Bladder PLP|Model Year The stock bolts will thread

The stock bolts will thread into the chainring’s standoffs from the outside of the crankset

Extended open mesh inserts on sides provide enhanced breathability and airflow and the elongated lower back profile helps maintain a good fit when in the riding position

Top that off with a slim line design

Rotor compatibility

Osprey Siskin 12 Backpack with Reservoir - Blue - 12L Pack - 2.5L Bladder PLP|Model Year The stock bolts will threadA 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