Alton dynamo/generator set for Vincent twin, 12V, supplied with PD15 polyamide sprocket replica and 2 parts sprocket holder.
The set comes with its rectifying-regulator

Alton dynamo/generator set for Vincent Comet, 12V, supplied with drive sprocket.
The set comes with its rectifying-regulator

Alton dynamo/generator set for Velocette, 12V, supplied with alloy pulley.
The set comes with its rectifying-regulator

Alton dynamo/generator set for pre unit Triumph twins, 12V, genuine sprocket can be used.
The set comes with its rectifying-regulator

Alton dynamo/generator set for magdyno, 12V, genuine sprocket can be used.
The set comes with its rectifying-regulator

Alton electric start conversion kit for Norton Commando MKII, MKIIA