The Revelate Designs Spinelock Seat Bag 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 built for stability.
Innovative Spinelock stability system completely eliminates side to side sway
Two mounting positions to accommodate seatpost setback and saddle adjustments
Quick release bag from bike
One way, low profile, air purge valve
Carbon seatpost friendly
Top mounted external webbing and bungee for additional storage