Mavic Ellipse Track Rear Wheel 700c Black 2016 Rim: 30mm deep S6000 Aluminium clincher rim with SUP welded joint, traditional drilling and 6.5mm valve hole. Recommended tyre size 21 to 28mm Hub Shell: Aluminium Freewheel: None, Flip-Flop threaded for fixed cog Extra Features: Supplied with rim tape, fixing nuts, valve extender, cog lock nut, multifunctional adjustment wrench and user guide Weight: 990g