OS-Base BMW GS 48L The easy-to-use athletic reservoir fits

The easy-to-use athletic reservoir fits right into your hydration pack

This design feature eliminates the discomfort and irritation that can be caused by bulky or ill-fitting pants while you're out exploring

flexible storage version with all the same highly durable features plus much more

External Raincover constructed from a single fabric piece for superior waterproofing with reflective sticker for additional visibility

OS-Base BMW GS 48L The easy-to-use athletic reservoir fitsThe OS BASE is a heavy duty, rackless luggage harness designed to fit all models of BMW GS with a rear rack from the R80GS right through to the R1300GS. Rackless means just that: this lightweight harness is all you need to securely mount Kriega OS ADVENTURE PACKS to your motorcycle. No extra hardware, frames or brackets are needed. Easy to fit in minutes and guaranteed to last for years. This rugged luggage system can grow with you and be tailored to