Now in it's 4th version, the award winning CX wheelset is even more packed with features & offers amazing value for your money. The V4 now has tubeless compatible rims enabling you to save weight & reduce the risk of puncturing. The hubs are bolt through compatible (with supplied adaptors) & have Centrelock disc mounting Technical Specifications: Rim: Tubeless compatible rim 28h 2x lacing Hubs: 11 speed 3 Pawl Shimano freehub Bolt through compatible (front 15mm, Front 12mm, Rear 142x 12mm & QR levers included) Double sealed cartridge bearings Centrlock disc rotor mounting Spokes & Nipples: Double butted black spokes Black alloy nipples Weight: Front: 750g Rear: 900g Please Note: Wheels do not come with lock rings. Most popular is the 15/20mm lock ring which is required for these wheels.