Pros: Convenient way to carry a whole bunch of stuff

Cons: Can interfere with the operation of dropper seat posts and your rear tyre may buzz the bag

Separate Wheel Compartments

The best part is

These are great for hubs

SRAM Level Disc Brake - Front - Right Lever - Black PDP|Colour Pros: Convenient way to carryNEW RULES The SRAM Level brake levels the playing field with power and reliability stuffed into a lightweight package. This is no nonsense performer, but don't let its understated disposition fool you Level gives you the art of braking in minimalist form. Specifications for Level: WEIGHT: 430g (direct mount, 800mm hose, 160mm G2 rotor) LEVER MATERIAL: Stamped aluminum CALIPER DESIGN: 2 piston caliper FINISH: Black ROTOR: NOT INCLUDED PAD: Steel backed