Originally Posted by tony gray

You could also save yourself a lot of time and money and NOT buy them...

The Tobee gears are very, very, poorly made with a badly cut gear pitch profile, poor materials and compatibility. When they're installed (once you work out how) the noise they make is horrendous. And yes I know what I'm doing everything was set-up perfectly.

I was convinced my gearbox had exploded it was so bad. Any small numerical gearing gain is offset 50 times by the inefficiency of these gears. I wouldn't recommend them to anyone

Forget it..