Nine Line 2.25 x 29 cale 60tpi Dual DNA / TCS Light FR blackFast rolling with pared down, consistent micro blocks that boast remarkable lateral traction and effortless rolling speed A round profile and healthy dosing of working edges predictability while a 2. 25 offering makes for any transition from the short track to the single track Usages: Cross Country, Trail Level: TCS Light Fast Rolling Width: 2. 25 Weight: 755 g Colour: Black Casing: Light Threads per inch (TPI): 60 Optimal inner rim width: 20 25 mm