Lynskey Helix Pro Disc Titanium Road FrameThe Helix Pro Disc is made with a 6/4 super top tube with hydraulic disc brakes offering Pro Road Race geometry with the added comfort. The benefits include overall frame stiffness and handling, with optimal speed and weight. The Helix shaped seatstays resist vertical forces to enhance sprinting and climbing. The addition of hydraulic disc brakes takes your performance to the next level Features:6/4 super tube top tube for precise cornering and handlingSport geometry for long ridesHeadtube Design: Tapered/IntegratedBottom Bracket Type: 68mm PressFit 30Seatpost Diameter: 27 2mmSeat Tube Diameter: (Front Derailleur Clamp Size) 34 9mmWheel Size: 700cMax Tyre Width: 28cDropouts: Ti Plate style non replaceable hanger (9mm QR or 12×142)Rear Spacing: 135mmBrake Type: DiscPlease note: Custom frame orders are available for the SRAM eTap groupset. Please email customer services for more details Buy Lynskey Frames & Forks from Chain Reaction Cycles, the World’s Largest Online Bike Store.