“These work only in conjunction with good tyres. Got punctures with cheap tyres that I picked myself without 99 Bikes shop assistant advice. Worked perfectly even resisting puncture vines after I bought Maxxis tyres recommended by assistant.”
“Haven't had a ride yet on the new tubes however they seem proper thick and thorn resistant. The valves are nice and long so you don't lose them in the rim when pumping them from flat.”
