Fulcrum RedMetal 1 Wheelset 6 Bolt Red Black QR Footprint Diagonal cable prevents the rope Rope Diagonal cable prevents the rope from rubbing and jamming Built with rugged nylon fabrics and meets Osprey's quality standards Item Specifications:Front Wheel Color: RedFront Wheel Weight: 669gFront Wheel Hub Brake Compatibility: 6 Bolt DiscFront Wheel Valve: PrestaFront Wheel ISO Diameter: 559 26" mtnFront Wheel Valve Length: Short 32 40mmFront Wheel Wheel Size: 26"Front Wheel Tire Type: ClincherFront Wheel Front Wheel Type: MountainFront Wheel Front Hub Spacing: 100mmFront Wheel Front Axle Type: 9 x 100 mm QRFront Wheel Spoke Info: Straight Pull RedFront Wheel Rim: Fulcrum Red Metal 0Front Wheel Skewer Included: YesFront Wheel Rim Material: AlloyFront Wheel Defined Color: RedRear Wheel Color: RedRear Wheel Weight: 801gRear Wheel Rear Axle Type: 10 x 135 mm QRRear Wheel Cassette Body Type: Shimano 9 10 SRAMRear Wheel Hub Brake Compatibility: 6 Bolt DiscRear Wheel Valve: PrestaRear Wheel ISO Diameter: 559 26" mtnRear Wheel Valve Length: Short 32 40mmRear Wheel Wheel Size: 26"Rear Wheel Tire Type: ClincherRear Wheel Rear Wheel Type: MountainRear Wheel Rear Hub Spacing: 135mmRear Wheel Spoke Info: Straight Pull RedRear Wheel Rim: Fulcrum Red Metal 0Rear Wheel Skewer Included: YesRear Wheel Rim Material: AlloyRear Wheel Defined Color: Red double sealed cup and cone bearings allow for easy adjustment and maintenanceSuperlight quick release lever is designed to clear suspension forksDisc brake wheels are available as 6 bolt2:1 spoke pattern doubles the spokes on the disc side of the front wheel20mm aluminum axles used both front and rear