Lynskey Ridgeline 29 SL Frame. The Ridgeline 29 SL Frame is the perfect choice for long-distance cross-country enthusiasts and XC racers that always push themselves to the limit. Lynskey has constructed it using a tapered headtube and square shaped titanium tubing, which combine to offer instant power transfer, vibration damping comfort and responsive and precise handling. Highly Versatile. In addition to the excellent handling, comfort and pedalling efficiency that the Ridgeline 29 SL provides, it also offers the ability to run various drivetrain/rear axle setups. The slider type dropouts that the frame comes with are designed for a 12x148mm rear hub, but these can be swapped out with alternative dropouts for either a QRx135mm or a single speed setup. Chain tensioners in the dropouts ensure you’ll achieve perfect chain tension Features: Recommended Front fork Travel: Best suited for 100mm or a rigid 465mm Headtube Design: Tapered/Integrated Bottom Bracket Type: 73mm standard English Seatpost Diameter: 27 2mm Seat Tube Diameter (Front Derailleur Clamp Size): 34 9mm Cable Routing: External, all under toptube Front derailleur type: 34 9mm low mount top pull front derailleur Wheel Size: 29″ Max Tyre Width: Clearance for up to a 2.5″ tyres Brake Type: Disc (post mount) Rear Rotor Size: Accepts up to a 185mm rear rotor Dropouts: Slider Type dropouts with Interchangeable 12mm x 148mm Thru Axle, Single Speed or 9mm Quick Release (Frame comes with 12x148mm, alternative dropouts sold separately), Recommended DT Swiss 12x1mm thread pitch Rear Spacing: 12x148mmBuy Lynskey Frames & Forks from Chain Reaction Cycles, the World’s Largest Online Bike Store.