Compatible with all sintered and organic pad compounds

52T - 7075-T651 aluminium alloy

Have you destroyed your crank arm and need a replacement

or head strap

Our improved bite valve design delivers 25% more flow

Osprey Siskin 8 Backpack with Reservoir - Blue - 8L Pack - 2.5L Bladder algolia-ignore Compatible with all sintered andA 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. Helmet carry Traditional LidLock helmet carry or compression strap full face helmet carry.