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United States of America, Des Moines
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677 Review
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Review on Schwalbe SV 9C Bicycle Tube for 24-inch Wheels by Mike Gruwell

Revainrating 5 out of 5

The best tube in this size (520 x 23)

If you're reading this you know that this size is almost impossible to find. Most of what you do isn't really good. Almost always a poor fit at best and useless at worst. These tubes fit my son's Pinarello Speedy T6 bikes like a glove and the valves don't leak (Sunlite). They ride in a set of Schwalbe Durano HS464 RaceGuard tires; phenomenal combination.

Pros
  • Tubes
Cons
  • It's OK