Ortlieb Frame-Pack Toptube - Black Matt BYOB display it's strength-to-weight ratio is to

it's strength-to-weight ratio is to be admired and tried

4mm (small / large)

Hydraulic Fluid Type: DOT 4

the Artech 6 combines best in class aerodynamics at a weight level you normally only see for shallow climbing wheels

Ortlieb Frame-Pack Toptube - Black Matt BYOB display it's strength-to-weight ratio is toEven fullsuspension mountain bike owners with limited space in the frame triangle can thus accommodate luggage in the frame. With four liters of volume, the ORTLIEB Frame Pack Toptube offers enough space for heavy equipment such as tent poles, tools or provisions, which are stowed with a low center of gravity on the bike. Waterproof is not only the bag itself, but also the waterproof Tizip zipper so even a river crossing on your bikepacking tour