Originally Posted by canice
i don't know if it's any indication, but i saw the bike on tuesday and the guy said all the 105 parts are original, and google says betas came with 105.
I have a 1988 Lupa, was spec'd with 105, cromor tubing. Great frame, and the old 105 certainly worked well enough. Still riding the original brakes, calipers, front wheel and cranks in fact.