• Carries 12L to 54L with OS-6, OS-12, or OS-18 Adventure Packs
• Rackless fit for all BMW GS models from R80GS to R1300GS with a rear rack
• Heavy-duty Hypalon construction with reinforced stress-point stitching
• Includes 4 OS-Rings, 4 subframe loops, and 2 EVA foam pads for bodywork protection
• High-grip buckle adjusters and aircraft-grade alloy mounting hooks
• Quick-release cam buckles for easy on/off
• Total weight: 1150g / 2.5lb including fitting kit

The Kriega OS-Base BMW GS is a rugged, rackless luggage harness engineered for all BMW GS models with a rear rack—from the classic R80GS to the latest R1300GS. Designed to carry up to three OS-Adventure Packs, this system offers 12 to 54 liters of modular capacity without the need for added hardware or metal racks. Made from durable Hypalon and reinforced with high-stress stitching, it installs in minutes and is built to handle years of demanding travel. Whether you’re heading out for a day ride or an extended trip, the OS-Base gives you a reliable, flexible way to pack your essentials.