Derbi Start 5 Selettra Race Ignition 90 *This is a high-performance race

*This is a high-performance race item

Be sure to check your original sprocket to be certain this is what you need

this head can lower temps due to a better combustion geometry and make more power from a squish band that is designed to work with the stepped face of the Polini piston

The screw in exhaust mount is larger than your typical Motobecane so you'll have to fab something up

Derbi Start 5 Selettra Race Ignition 90 *This is a high-performance raceSelettra CDI for Derbi Start 5 engines! Awesome inner rotor racing ignition. This does not have lights! Battery and LED tech is pretty good though so not the end of the world. A couple locals in Atlanta are running these with a battery pack for lights and its a breeze to charge them when parked at home. This is ONLY for Start 5 engines. This will not fit other Derbis. This is a high quality ignition capable of reliable spark up to 27,000 RPM (let us