A Tribsa, [1] was a custom built café racer or off-road motorcycle of the 1960s and 1970s. A Tribsa comprises a Triumph parallel twin engine installed in BSA motorcycle frame. The purpose was to combine the best elements of each marque to give a superior bike to either.

Ridden by Arthur Lampkin in the 1966 International Six Days Trial, its one and only event, this slightly uneasy alliance between industry giants Triumph and BSA resulted in an ISDT Gold medal winner. Andy Westlake takes up the story…

Jun 29, 2020 · When it was launched in 1913 the idea behind the event was to showcase what ordinary, or lightly modified machines could do and as such our home industry embraced it.

TRIBSA 1958 With 650 cc Triumph Pre unit Twin Carb Engine in BSA frame having been totally rebuilt to look like an RGS Replica.

Nov 1, 2013 · Tritons might have been the archetypal café racers, but the combination of an easily tuned Triumph engine in a strong and reliable BSA frame had nearly as much kudos, and it also had the reflected glamour of success in off-road racing, where it had formed the basis of the original Rickman Métisse.

Jan 5, 2012 · Your Tribsa has a Triumph transmission whereas mine is BSA so difficult to comment on the spacing of the engine plates. The mounting bosses on a pre-unit engine are wider at the rear than they are at the front.

Oct 17, 2009 · In the UK, this bike—nicknamed The Bitch—is something of a legend. Probably because it’s been around a long time and it looks good. And maybe because it also contains bits from nearly every iconic post-war British motorcycle maker. Steve ‘Swede’ Clark built his TriBSA in 1968, using a BSA frame and a hotted-up Triumph engine. Why?

A thorough mechanical overhaul and top-end engine rebuild make this a very special and stylish TriBSA 750cc twin! Constructed from a 1955 BSA Shooting Star frame and a 1953 Thunderbird engine (dating certificates on file) this machine has had twice what we're asking spent on it (not unusual for specials) and it sho ...

TribsaParts beschikt over een grote en wisselende collectie oude motoronderdelen. Wij zijn voornamelijk gespecialiseerd in de merken Triumph, Norton, BSA, Matchles. Regelmatig hebben we ook motoronderdelen van soortgelijke Engelse en internationale klassieke motormerken. Bij TribsaParts maak je je motor weer compleet!

Jun 15, 2016 · It has an all-alloy T100 34378 engine with big bearing crankcase, as well as CNC alloy con rods, balanced Norton crank central plugs and is tuned by SRM. It has a BSA gearbox, Norton clutch, racing chains and Falcon Classics rear shocks. The forks are 1959 BSA fitted with Eddie Dow damping rods and progressive rate springs. Article continues below…