GO BIG WITH OUR EXTREME GRAVEL TUBE FOR 700C TIRES.

This tube measures 700c x 45-54mm wide and has a 48mm presta valve.

Fits the new style of extreme gravel wheels and tires (occasionally referred to as “road plus”) that need a bigger volume tube for a smoother ride.

ETRTO
45-54mm : 47-57/622
THIS TUBE IS MARKED AS "29 x 1.75-2.125".