From light winter trail riding to commuting, the Kahva allows you to carve your way through winter with concave carbide studs as well as single, double and triple siped lugs.252 carbide studs60 TPIWe design 45NRTH tires for extreme winter cycling applications. We do not recommend this product be used with power assist bikes as the additional torque and system weight can lead to pre-mature casing wear and stud loss.Always check with your rim manufacturer to verify rim & tire compatibility before assembly or useSiping on center and side lugs lets the Kahva conform to terrain for increased grip in any riding conditionsConcave carbide studs provide traction in the iciest conditionsDirectional lugs provide low rolling resistance while offering excellent braking tractionItem SpecificationsColorBlackDefined ColorBlackISO Diameter622 / Road / 29"ISO Width (mm)57Labeled Size29 x 2.25PSI45Tire BeadFoldingTire Diameter29"Tire Intended UseWinter-StuddedTire TypeTubeless Ready ClincherTPI60 45NRTH Kahva Tire Tires UPC: 708752335332