we have also drawn from their feedback

5 liters of space

CRANKSET:  Shimano GRX 810 FC-RX810-1 40T

Cassette Cogs: 11-12-13-14-15-17-19-21-24-27-30

RELEVATE DESIGNS Jerrycan Top-tube/Seatpost Bag - Black Regular hydration we have also drawn fromA slim, rear mount top tube bag ideal for a repair kit, lube, or a tube, leaving more space for essentials in a frame bag. 2" wide and is narrow enough that legs won't bump it while pedaling Plastic stiffened side panels prevent side bulging Interior elastic holds a multi tool Adjustable height seat tube post attachment Volume: 0. 5 liters Best for bikes with standard slope seat tubes, without gussets This product is made with ECOPAK 100% recycled