Originally Posted by speed6
So a 44 pinion with a 96 spur will 100% fit?
don't assume that one setting will work for every track and every kind of layout.
you're best going with the spur gear that will give you the biggest range of gear combos - so while 96t might work, you might not be able to get a huge range of gearing...so you might have to consider going to smaller then 96t
honestly, a lot of times its trial and error - even after asking in a fourm..
check out here - http://www.gearchart.com/
- to build your own chart...try a couple of different pinions in the charts to see which gives you the biggest range...