The 3 largest cogs are riveted on an aluminum spider. Nickel plated finish. Steel lockring. 12-25, 11-28 and 11-30 are compatible with SS rear derailleur.
1.00 mm wall thickness. High quality butyl rubber tubes. Consistent butyl content ensures long term air retention. Reinforced valve stems. All tubes are pre-inflated for 24 hours to guarantee air retention.
Includes front and rear wheel locking skewers, seat post lock, seat collar, and coded key. Prevents removal of your wheels and seat post from your frame.