This is a universal rear light with brake light. It comes with a 12V bulb (23/8W).
Here's a spare bulb model:
#E129 for 12V (23/8W) 15mm base
For your 6V...
Also for KAWASAKI KT . NEW : Adjustable pair of front fork nuts with adjustable high (Preload adjuster system). Allows a perfect setting of your front fork spring tension up to...
Here's a rear light universal model, but close to the original Bultaco, Ossa and Montesa parts (position and brake lights).
Sold without bulb, here's a compatible shuttle...
BULTACO all models (Twinshock) except 340, secondary shaft left side (gearbox axle sproket) & rear wheel + BULTACO 125 front fork (Warning 2 per leg on a few models)....