This wheel is compatible with disc and V-brake WEIGHT Front 970 g, rear 1100 g RIMS Material: alloy 6106-T6 Joint: SUP welded Braking surface: UB Control Finishing (color): silver or black anodized Valve Hole: 6,5 mm Eyelet: single stainless steel SPOKES Material: stainless steel Type: silver or black straight pull Nipples: brass nipple, ABS type front and rear Count: front 24, rear 24 Lacing: crossed 2 front and rear HUBS Free wheel mechanism: FTS-L steel free wheel body Axle width: front 100 mm, rear 135 mm Serviceable, sealed cartridge bearings COMPATIBILITY Cog: M10. 8 and 9 speed HG Disc brake: international standard Suggested tire: from 1,00 to 2,3 UST Tubeless or regular tires with inner tubes With regular tires and inner tubes, always use the UST rim tape, and none other