ROTOR Vegast 30 Crank Arms Size:172.5mm 12 or 13 speed chain

12 or 13 speed chain rivets (see CT-4

even at low air pressures

Be sure to have chainline relatively straight (53/15 or so)

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ROTOR Vegast 30 Crank Arms Size:172.5mm 12 or 13 speed chainVEGAST is inspired by ROTORs racing heritage to commemorate our 3 historic victories of the Grand Tours Tour de France (2008), Vuelta Espaa (2011) & Giro Italia (2012). Our new crankset is named in honour of 3 of the highest climbs of these iconic races: VEleta GAlibier STelvio. so you can challenge yourself on the steepest of cycling climbs. VEGAST 's innovative modular system allows you to select each crank component based on your unique bike setup