Continental Supersonic Tube (700 X 20-25, Presta Valve) Road so why suffer more than

so why suffer more than you have to

Using a carbon fiber and alloy spider and five titanium sprockets

Clearance for up to 34mm tires

Low stack height for efficient pedalling position

Glycine Soja (Soya Bean) Oil

Continental Supersonic Tube (700 X 20-25, Presta Valve) Road so why suffer more thanUltra 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