Lumbar Reservoir Option 1:3L The microSHIFT ADVENT cassette has

The microSHIFT ADVENT cassette has the low gears to get up and the high gears to get back down

Long 3/8" socket for low-profile-fitting screw connections in tight construction spaces and for protruding threaded rods

AFT finish indicates Anti-Friction Treatment which has a matte-gray finish

other options sold separately

damped front travel that keeps you in control and on target

Lumbar Reservoir Option 1:3L The microSHIFT ADVENT cassette hasThe Dakine lumbar reservoir is the same one that comes in mountain bike hydration packs. The design includes a wide mouth for easy filling and a high flow valve for efficient drinking. 2L 70oz Dakine x Hydrapak 3D lumbar reservoir with Phaser bite valve Blaster high flow bite valve w shut off Quick disconnect tubing for easier refills Molded 3D bottom provides better shape inside pack Molded 3D bottom for much better drying between rides