The result of blending a ZTR Race rim with a ZTR 355, the ZTR Crest is the best of both worlds. All the wall thickness and corresponding durability of a 355 with the next generation BST creating a wider rim cavity with shorter sidewalls. Fully tubeless compatible with the 21mm yellow tape or the 25mm yellow tape and valve stem.Rim strips and tape not includedWelded jointBlack anodized finishFEA optimized center arch for added stiffnessCan be used with or without tubesOnly Stan"s Yellow tape and valves work with the Crest rim|Item SpecificationsColorBlackWidth24.4mmIntended UseMountainHub Drilling28spokesBrake CompatibilityDisc OnlyValvePrestaISO Diameter622 / road / 29"Valve LengthShort 32-40mmWheel Size29erTire TypeClincher,Tubeless CompatibleRim Center Offset0mmRim MaterialAlloyRim JointWeldedBrake TrackN/ADefined ColorBlackInternal Rim Width21mm