1930 Triumph Model CTT 500cc
The new 498cc Triumph was introduced
at the Olympia Show in 1929 and created much
interest among the buying public for this popular
motorcycle. Closely following the lines of the
existing 350cc model CO, the model CTT was road
tested by MotorCycling in March 1930 and fully
satisfied the tester in ass respects as a worthy
product of a firm with a household name. The
motorcycle was particularly noticed for the
design of handlebars, the first to adopt the
layout suggested by the Standardization Committee
of the Manufacturers Union. Twistgrip controls
were provided for both throttle and magneto
Transmission - Triumph three-speed gearbox.
Dry multi-plate clutch with six springs.
Frame - Cradle type, complete loop formed
by extended rear stays. Straight triangulated
top and bottom stays. Triumph centre spring
girder type front forks with steering damper
and adjustable shock absorbers.
Wheels - 26"x3.25" wired-on tyres. Taper roller
Price - £56.17.6. without lamps and horn.
- Engine - 80 x 90mm, 497.5cc Triumph single
cylinder ohv. Detachable twin-port head. Hemispherical
combustion chamber. Roller bearing rockers.
Semi-dry sump lubrication with pressure fed