Triumph street tracker
Clay Rathburn is one of those annoying ‘renaissance’ types who seem to be good at whatever they turn their hands to. First was a string of traditional Triumph hardtails—including the irresistible Velvet Underground. Then we had the RVA Overland vintage dirt bike, and a Harley Sportster 1200 that was straight out of the 70s. So it must be time for something completely different. The latest Atom Bomb bike is a classic Triumph street tracker named "Trackmaster", finished in the usual immaculate Atom Bomb style. “The client bought me a rolling Trackmaster frame with a bent up swingarm and clapped-out Betor forks,” says Rathburn. “And, as we discovered later, a hell of a motor in it …” The ’67 motor is sporting a big-bore Sonny Routt 750 kit, big Kenny Harmon cams, steel H-beam rods, a lightened and balanced crank, and a five-speed conversion. “It was a full-tilt race motor. But the valve guides were loose in the head, the seats were cracked, and half ...