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Kriega OS-Base Harness

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The OS-BASE is an 'over the seat harness' which allows OS-6, OS-12,, or OS-18 ADVENTURE PACKS to be mounted as panniers. The modular design enables you to modify your luggage set-up to suit your ride - from a day’s single track to longer adventure trips. By adding OS-ADVENTURE PACK as a top bag, you have a possible 100% waterproof, highly durable carrying capacity of up to 54 litres. The OS-BASE' flexible design also enables you to mount earlier model Overlander 15 packs as panniers, US-DRY PACKS as top bags and includes ‘Loop Mounts' to attach a tent or sleeping mat. After the initial set-up, it’s quick and easy to put on and take off. The heavy-duty Hypalon construction with a semi-rigid polypropylene core is very stable and lightweight.

The unique OS-RACK LOOP mounting system* provides a very tough and reliable solution to off-road luggage carrying demands. 

*Includes 2 x OS-RACK LOOPS, which require 2 x 6mm holes drilled in the rear fender for fitting.


  • Carrying capacity from 12 to 54 Litres with centre pack mounting option.
  • Heavy-duty Hypalon construction.
  • Quick & easy to put on/take off.
  • Reinforced stitching on all stress points.
  • Aircraft-grade alloy hooks.
  • Non-slip cam buckles.
  • 2 x OS-RACK LOOPS included.
  • Dimensions: 1020(L) x 190(w) mm / 40(L) x 7.5(w) ins.
  • Weight: 700g - 24.7oz


Once the OS-RACK LOOPS are mounted on the rear fender and the OS PACKS of your choice are mounted to the BASE, fitting is quick and easy. 

1. Hook-on the two top straps to the OS Rack Loops but leave loose.
2. Loop the two lower straps around the bike frame at the lowest possible position and hook them back to the loops on the strap, making them as tight as possible.
3. Stand at the bike's rear and pull the top straps as tight as possible, taking up the slack until the packs fit tightly to the bike.
4. Hook-on an additional top pack to the Loop Mounts on the OS-BASE and the OS-Rack Loops.


If the OS-BASE is in contact with the exhaust silencer, you must fit a heat shield.