First class job...really well done. I'm sure if it was "plug and play" you would sell loads of them. I would want one. It seems even better than the factory gear indicators on many new bikes. A friend just brought a Kawasaki Versys and the gear indicator goes to a blank screen when the clutch is pulled in so you can't see whether you are in first gear when stopped (I expect we've all pulled off in second gear by mistake at times!).
Thank you for the complements.
Actually it can be easily made "plug and play", but I hadn't intended to sell something, marketing is an other area that I haven't been in before, but the cost of it is so low that it would be a quite profitable business, I believe.