Ultra light weight inner tube. The Continental (Race 28) Supersonic inner tube is a must have cycling essential for 700c bike wheels.Super lightweight butyl tube, even lighter than latex but not porous, so no need to reinflate every day. Can also be fixed with a normal puncture kit
Continental Supersonic tubes
$12.95
Available in 2 sizes
700 x 18/25 42mm stem, 700 x 18/25 60mm stem
removable valve core
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