- Reservoir Included – Comes with an Osprey Hydraulics LT 2.5 L reservoir with direct zip access and sternum strap magnetic bite valve attachment. Hydraulics Quick Connect sold separately
- Ride Stability – A rolled, soft-edged harness creates a comfortable and stable carry
- Helmet Carry – Offers traditional LidLock helmet carry or full face helmet carry with the compression straps
- Bike-Focused Features – Just the right volume for any ride, providing tool organization, helmet carry and a full U-zip main compartment opening
- Zippered hipbelt pockets
- Item Dimensions: 18.5H x 9.1W x 8.7D in; Item Weight: 1.92lb
Sale!
Osprey Siskin 12L Men's Biking Backpack with Hydraulics Reservoir, Black
Original price was: $139.95.$84.00Current price is: $84.00. (as of 03/19/2026 01:47 PST – DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)
Comes with an Osprey Hydraulics LT 2.5 L reservoir with direct zip access and sternum strap magnetic bite valve attachment. Hydraulics Quick Connect sold separately
| Brand | Osprey |
|---|---|
| Manufacturer | Osprey |
| Binding | Sports |
| Product Group | Sports |
| EANs | 0843820159950 |
| UPCs | 843820159950 |
| Item Part Number | 10005103 |
| Model | 10005103 |
| Warranty | All Mighty Guarantee |
| Color | Black |
| Product Dimensions | 8.66 x 9.06 x 18.50 Inches |
| Size | WXS/S |
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