Press onto Presta valves to inflate

durableness

The CC-4 does not have this feature

Labyrinth style spacers encapsulating/protecting the bearings

Not every bottle is a 73mm and not everyone wants to use a "regular" bottle while on their bike

Continental Mountain Tube - 29 Inch - Presta - 1.75-2.5 Inch PLP|EMTB Optimised Press onto Presta valves toEpic riding calls for high quality tubes. Continental puts their tubes through stringent quality control, giving you the best tubes your bike deserves to roll on. With great puncture resistance and added reinforcement, these MTB tubes won't disappoint. Features: Presta Valve (removable core) 210 grams All tubes are seamless and mould cured (vulcanized) to ensure uniform roundness and improved reliability at the valve stem Each and every tube passes a