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+--- Thread: understanding 3 speed gearbox conversions (/showthread.php?tid=4537)
RE: understanding 3 speed gearbox conversions - Robert Leigh - 20-06-2020
In the opening contribution to this thread by JonE he mentions Andes gears being 18/24 or 20/24. Are both ratios avilable, and how do they compare in the opinions of those who have tried both? I am at the point of considering such an improvement on our Chummy.
RE: understanding 3 speed gearbox conversions - AustinWood - 20-06-2020
I can't help with your question Robert but can say that the Andes gear is a huge improvement. I don't know which variety I have.
The ability to hold 30mph indefinitely is a great benefit in Traffic.
In the flat lands of East Anglia it would be excellent.
The only drawback is the gap between 1st & 2nd which becomes a problem on steeper hills such as in the Yorkshire Alps around Malcolm Parker's outings. The long not so steep hills of The Borders suit it very well.
Andy Bird is the man to ask.
RE: understanding 3 speed gearbox conversions - Renaud - 22-06-2020
Where do I find Andrew Bird and his Andes gears please. I had a look here but did not find him. Also on the net but I doubt he's also a singer...
RE: understanding 3 speed gearbox conversions - JonE - 22-06-2020
http://austinsevengearboxservices.co.uk
both ratios are mentioned on 'ere...
I understood Vince Leek did them too from past forum threads, but didn't have a reply.
RE: understanding 3 speed gearbox conversions - daveg - 22-06-2020
Andrew Birds website with contact details:-
http://austinsevengearboxservices.co.uk/about/4590369271
RE: understanding 3 speed gearbox conversions - Renaud - 23-06-2020
Thanks for the links.
No prices unfortunately of course.
RE: understanding 3 speed gearbox conversions - AustinWood - 23-06-2020
Prices very reasonable indeed.
RE: understanding 3 speed gearbox conversions - Robert Leigh - 23-06-2020
Supply only of gears by Andy Bird I was quoted £200. Obviously if he rebuilds for you he is likely to replace other worn components, and will charge for his labour. I did not ask a likely price for this.
RE: understanding 3 speed gearbox conversions - AustinWood - 23-06-2020
Considering the work Andy does on the gears £200 is a bargain!
RE: understanding 3 speed gearbox conversions - Parazine - 24-06-2020
AustinWood Wrote:Considering the work Andy does on the gears £200 is a bargain!
Completely agree. And...not only is it a better ratio but it gets rid of all the noise from a worn standard gear set.