SW-Motech PRO Seat Ring Bicycle The inner sleeve pocket is

The inner sleeve pocket is compatible with a hydration reservoir and/or a back protector

If you are highway riding and need to block air from hitting you in the helmet you can adjust the Evo spoiler up to protect from weather and wind

CHARGE CONNECTOR (INPUT): 2-pin SAE

Removable waist strap is also included for extra pack stability at high speeds

Water & Dust Resistant

SW-Motech PRO Seat Ring Bicycle The inner sleeve pocket isPRO Seat ring You can attach a PRO tank bag to your seat using the PRO seat ringand thus enjoy the advantages of the magnet assisted mounting system. This is especially useful if you can't attach a tank ringto the front of the tank. The PRO tank ring sits on a fiberglass reinforced plastic plate that is thenbonded with a rubber base for improved hold. Lashing straps securethe plate to the seat. You can attach the four flat bottomed PRO tank bag