Marzocchi Bomber Z1 Coil Suspension Fork - 29" 160 mm 15QR x 110 44mm Offset RAIL Sweep-Adjust Gloss RedMarzocchi Bomber Z1 Coil Suspension Fork 29" 160 mm 15QR x 110 44mm Offset RAIL Sweep Adjust Gloss Red. The Bomber Z1 Coil fork shares the same 36mm chassis and GRIP damper as the modern day Bomber Z1 but combined with the most advanced coil spring system Marzocchi has ever made. Finally a buttery smooth coil fork with nothing to prove. Braking bumps or big hits it doesnt matter. The Bomber Z1 Coil soaks it all up with the planted feel that only a