Marzocchi Bomber Z2 Suspension Fork: 29", Rail Damper, 15 x 110mm, 44mm Offset - The Bomber Z2 hits the sweet spot for riders who want an all-round fork that performs in a vast range of off-road applications.15 QRx110mm axle design34mm stanchionsAir sprung, Rail damperEnhanced lower leg stiffness with "M" arch design for maximum tire clearance