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Ortlieb Seat-Pack QR Saddle Bag
Thanks to its unique Seat-Lock mounting system, the Seat-Pack QR can be installed quickly and securely, and removed just as quickly without leaving any traces. The adapter clamp even allows the use of dropper seatposts, making this innovative Seat-Pack QR a versatile option for a wide range of cycling adventures.
Highlights:
- QUICK RELEASE (QR) mounting system for quick attachment and removal
- Can be removed without leaving any traces; no additional mounting hardware needs to remain on the saddle
- The sturdy plate eliminates side-to-side bag sway
- Compatible with dropper seatposts thanks to the additional adapter clamp (43 mm height)
- Protective plate on the underside prevents damage caused by tire contact
- Shape-retaining design
Additional Features:
- Compatible with most MTB and touring saddles featuring 7 x 7 mm saddle rails
- Waterproof saddle bag with roll-top closure
- The bag features internal reinforcement and four compression straps to secure the contents firmly against the saddle and seatpost
- Mounted using a lever on the saddle rails and a strong hook-and-loop strap
- Lightweight, durable PU-coated nylon fabric
- Valve with pull loop for compressing the packed volume
- Elastic cord attachments on the upper exterior for quickly stowing additional gear
- Daisy chain for attaching a rear light or additional equipment
- 3M Scotchlite reflectors
Volume:
| Specification | 7.5 L | 13 L |
|---|---|---|
| Length | 42 cm | 48 cm |
| Height | 16 cm | 28 cm |
| Depth | 22 cm | 22 cm |
| Weight | 490 g | 625 g |
| Max. load | 3 kg | 5 kg |
Instruction Manual:
Download (PDF file): bike-packing.de/seat-pack_qr.pdf
How to Check Whether Your Saddle Is Compatible:
- At the bend, the saddle rails must have an angle of at least 34°.
- Measured from the bend, there must be at least 13 mm of clearance along the saddle rails between the bend and both the saddle clamp and the underside of the saddle.
- The lower edge of the saddle's side must be at least 14 mm higher than the lower edge of the saddle rails, measured at the bend.
If you still experience difficulties during installation, make sure the Seat-Lock system on the bag is positioned as far forward as possible (towards the seatpost) and that the four screws are loosened before the initial installation. This makes it easier to mount the bag and find the correct position. (For further guidance, please refer to the instruction manual.)
Compatibility
✅ Compatible
- Ergon SMC
- Ergon SR Allroad Core
- Ergon SR Allroad
- Prologo Dimension AGX 143 T4.0
- SDG Bel Air 3.0
- Selle SMP (various models)
- Terry Fly
- Terry Arteria
- WTB Volt
- Infinity Bike Seat E2
- SQ Lab 614 Gravel
- Fizik Arione R3
ℹ️ Compatible with Restrictions
- Brooks C15 / C17 (depending on installation and saddle angle)
❌ Not Compatible
- Brooks B67
- Selle Italia X3 / S3
- Selle Royal Seta Performa
- SQLab Active
- Fizik Argo
- Saddles with carbon rails
- Electronic dropper seatposts, e.g. RockShox Reverb AXS or Magura Vyron
Technical Specifications:
- Intended use: Bikepacking, Alpine crossings, touring
- Required seatpost clearance: 30 mm (hook-and-loop strap only), 43 mm (with adapter clamp)
- IP rating: IP64 (6 = dust-tight, 4 = protected against water splashes from all directions)
- Maximum load: 3 to 5 kg (depending on the hook position; a scale on the saddle indicates the correct setting)
- Material: PS21R, PS33
Included in Delivery:
- 1x Ortlieb Seat-Pack QR saddle bag with Seat-Lock mounting system
- 1x adapter clamp for dropper seatposts, including reducing sleeves (Ø 26, 25, 22 mm)
Rainstraße 6, 91560 Heilsbronn, DE
deinservice@ortlieb.com
Introduction video for ORTLIEB Seat-Pack QR
1 - 10 of 11 reviews
20 September 2026 08:55 out of: Lars-Bertil
Build quality is top notch as usual, but info about saddle compability is not.
Before buying one of these, make sure its compatible with the saddle you intend to use it with. For example, it wont work with a Brooks B17, but it might work with a Brooks C17 (mileage may vary)
17 August 2026 11:26 out of: Bernward
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4 June 2026 15:19 out of: Jochen
Passte leider nicht an meinen Sattel ohn…
Passte leider nicht an meinen Sattel ohne die Sitzposition zu verändern. Habe mich für die Revelate Design Spinelock entschieden.
30 January 2026 14:01 out of: Lars
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18 June 2025 13:07 out of: Trusted Shops | Verifizierter Kauf
Ouick Release Befestigung viel zu fummelig, ließ sich an meinem Sattel nicht vernünftig befestigen. Habe jetzt die 11l Standardvariante viel besser.
Ouick Release nicht zu Ende gedacht
26 May 2025 13:40 out of: Trusted Shops | Verifizierter Kauf
Super System!
An- und Abbau in Sekundenschnelle und sehr fest am Sattel (Fizik R7). Für mich als Pendler optimal.
3 October 2024 16:32 out of: Trusted Shops | Verifizierter Kauf
Tolle Tasche hängt top am Sattel.
Tolle Tasche hängt top am Sattel.
21 March 2024 14:08 out of: Trusted Shops | Verifizierter Kauf
Super Produkt
Bin glücklich, sitzt sehr gut und stabil. Volumen ist super und bei Touren perfekt. Kein Rucksack mehr. Er ist wasserdicht und super verarbeitet. Nur zu empfehlen.
7 November 2023 07:54 out of: T. K.
Optimal für Dropper Posts
Es ist schwierig eine ordentliche Satteltasche mit über 10 Liter für zu finden die für versenkbare Sattelstützen geeignet ist. Das Seat-Pack QR erfüllt all meine Anforderungen. Jetzt brauch ich keinen Rucksack mehr auf dem Trail.
30 October 2023 15:31 out of: F. H.
Vor- und Nachteile zu anderen Modellen
Im Vergleich zum Ortlieb Seat Pack L ### Vorteile ### + Sitzt auch auf den ruppigsten Trails bombenfest und schwingt nicht + Gute Kompressionsmöglichkeiten und alle Schnallen sind gut durchdacht ### Nachteile ### - ca. 37% schwerer - ca. 3.5 Liter weniger Volumen - Nicht mit allen Sätteln kompatibel (bei meinem WTB Volt passt's)
At the Bike-Packing Shop, we're a family-run business from the Westerwald region in Germany with a passion for bike travel. We carefully select products that help adventurous cyclists explore the world independently and achieve their cycling goals.
Sustainably packaged.
Nature is very important to us. That's why we avoid unnecessary plastic and rely on packaging material made of paper or cardboard. If your package does contain plastic filling material, this is material from our suppliers which we have reused.