These bulbs are a direct replacement for any broken original Sinclair C5 light bulbs and produce. Be aware that just like the originals these can generate heat which not only is a waste but can melt the bulb housings. Modern LED bulbs are recommended and are available in another listing. These are available for those looking for originality purposes.

To Change the front bulb - From behind the headlight remove the black plastic surround. You will see the wiring and the bulb holder. Twist and pull the bulb holder being careful not to damage the light unit. If it is not possible to remove then the headlight unit will need to be removed carefully by releasing the two snap fittings located above the stem of the front wheel. This is accessed from under the C5. Once the bulb holder is removed from the unit remove the old bulb and fit the bulb. Test and reassemble.

To Change the rear bulb - Remove the two cross head screws from the rear light unit. Lift the unit up and away from the shell. The bulb holder has a rubber outer which is best removed by pulling or twisting. The bulb simply pulls out. Fit the bulb and test. Refit the holder to the light unit. Refit the light unit but note that the bottom of the unit has a lip that mounts inside the bottom of the ledge on the shell. Refit the screws and do no overtighten.