NS Bikes Liar Frame. The NS Bikes Liar Frame is ready to take on the toughest 4-cross courses and pump tracks and dominate them. It’s built around an ultra-lightweight alloy frame with oversized, custom butted tubes and with a 4X-specific geometry. This geometry includes a slack headtube, low top tube and short rear stays. This means it offers you the quick handling, stability and stiffness you need to stay in control as you’re riding at the limit. Features: Frame: AL6061-T6 + AL6066-T6 custom formed and butted tubes, smooth double pass welding in critical areas Recommended Fork Travel: 80-120mm Headset Type: Integrated tapered, IS42/IS52 Steerer Tube: Standard 1 1/8″ or tapered 1 1/8″-1 5″ BB: Threaded 73mm with ISCG-05 mounts Max Chainring Size: Up to 36T (SRAM XX1 up to 34T) Front Derailleur Routing/Clamp Size: N/A (1x drivetrains only) Cable Routing: External Seatpost Size: 31 6mm Seatpost Clamp Size: 34 9mm (included) Max Seat Post Insertion: 210mm Wheel Size: 26″ Max Tyre Size: 26×2 35″ Rear Dropout Spacing: 142x12mm, NS axle included Brake Mount Type: Post mount disc brake mount, Max Rotor Size: Up to 185mm Weight: 2.0kg (without axle)Buy NS Bikes from Chain Reaction Cycles, the World’s Largest Online Bike Store.