Spinelock Bag by Revelate Designs

Revelate set out to create the most stable, low profile mounted, feature loaded, waterproof seat bag available. The Spinelock™ seat bag checks all the boxes. Available in 10L and 16L. The Spinelock integrates user-tested and approved features like a one-way air purge valve, rear light slots, loop and bungee deck, and an external plastic bottom with a new patented attachment system. Stability was the driving element in the design process. If you want something you can pack and forget, the Spinelock is your seat bag. Note: Not available for shipping outside of the US. FEATURES Innovative Spinelock stability system completely eliminates side to side sway Waterproof construction Two mounting positions to accommodate seatpost setback and saddle adjustments A low profile, high strength, forged aluminum clamp works in combination with precision IGUS bushings to form a quick-release pin interface making bag removal a cinch. Quick release bag from bike Internal HDPE plastic structure  One w