Freitag F511 Skipper vs Ortlieb Atrack Bike
The Freitag F511 Skipper is 25L and 1.26kg2.8lb; the Ortlieb Atrack Bike is 25L and 1.3kg2.9lb. The Freitag F511 Skipper is 0.04kg0.1lb lighter. The Ortlieb Atrack Bike costs $130 less. The Freitag F511 Skipper fits the carry-on limit of 36 of 36 major airlines and the Ortlieb Atrack Bike fits 5; under the seat, 7 and 0 of 26.
| Spec | Freitag F511 Skipper | Ortlieb Atrack Bike |
|---|---|---|
| Price | $460 | $330Best |
| Volume | 25L | 25L |
| Weight | 1.26kg2.8lbBest | 1.3kg2.9lb |
| Carry-on compliance | 100%Best | 14% |
| Personal-item compliance | 27%Best | 0% |
| Dimensions | 44×26×17cm17.5×10×6.5in | 56×26×25cm22×10×10in |
| Opening | Spacious and wide-opening | Panel access, zip opening in the back panel |
| Warranty | n/a | 5 years |
| Organizer | No | No |
| Shoe compartment | No | No |
| Hydration sleeve | No | Yes |
| Frame sheet | No | No |
| Water-resistant | No | Yes |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | No | Yes |
| Sternum strap | No | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Bike-ready | No | Yes |
| Material | Used truck tarps | PU-coated nylon (ps21r, ps33) |
| Last checked | 2026-10 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Freitag F511 Skipper | Ortlieb Atrack Bike |
|---|---|---|---|
| Air Arabia | Carry-on | Fits | Too big |
| Air Canada | Carry-on | Fits | Too big |
| Air France | Carry-on | Fits | Too big |
| Air India | Carry-on | Fits | Too big |
| AirAsia | Carry-on | Fits | Too big |
| Alaska Airlines | Carry-on | Fits | Too big |
| Allegiant Air | Carry-on | Fits | Too big |
| Allegiant Air | Personal item | Fits | Too big |
| American Airlines | Carry-on | Fits | Too big |
| American Airlines | Personal item | Fits | Too big |
| ANA (All Nippon Airways) | Carry-on | Fits | Too big |
| Avianca | Carry-on | Fits | Too big |
| British Airways | Personal item | Fits | Too big |
| Cebu Pacific | Carry-on | Fits | Too big |
| Delta Air Lines | Carry-on | Fits | Too big |
| easyJet | Personal item | Fits | Too big |
| Emirates | Carry-on | Fits | Too big |
| Frontier Airlines | Personal item | Fits | Too big |
| Gol Linhas Aereas | Carry-on | Fits | Too big |
| IndiGo | Carry-on | Fits | Too big |
| JetBlue Airways | Carry-on | Fits | Too big |
| KLM | Carry-on | Fits | Too big |
| LATAM Airlines | Carry-on | Fits | Too big |
| LATAM Airlines | Personal item | Fits | Too big |
| Lufthansa | Carry-on | Fits | Too big |
| Norwegian Air Shuttle | Carry-on | Fits | Too big |
| Qantas | Carry-on | Fits | Too big |
| Qatar Airways | Carry-on | Fits | Too big |
| Ryanair | Carry-on | Fits | Too big |
| SAS | Carry-on | Fits | Too big |
| Turkish Airlines | Carry-on | Fits | Too big |
| United Airlines | Carry-on | Fits | Too big |
| Vietjet Air | Carry-on | Fits | Too big |
| Volaris | Carry-on | Fits | Too big |
| Volaris | Personal item | Fits | Too big |
| Vueling | Carry-on | Fits | Too big |
| WestJet | Carry-on | Fits | Too big |
| Wizz Air | Carry-on | Fits | Too big |
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Specs come from each brand's own product page. Fit uses listed dimensions in any orientation. How we score carry-on fit.