Continental Supersonic Tube (700 X 20-25, Presta Valve) D3 TARGETED AIRFLOW PATTERN

TARGETED AIRFLOW PATTERN

you're goggles will be fog free for up to five days

making it easier to adjust

When a puncture strikes just too big and gnarly to seal

Continental Supersonic Tube (700 X 20-25, Presta Valve) D3 TARGETED AIRFLOW PATTERNUltra light weight inner tube. The Continental Supersonic road long valve 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. The long valve inner tubes enables you to use deep section rims (40mm, 50mm and above) as the shorter valve would not extend out of the rim valve hole. Shorter