TheEarlyWorm

I thought im done building and figured out i dont have pinions. I checked online and saw a lot of sizes and terms that i dont know anything about. Can anyone give me a brief lesson on pinions that will help me choose the right size for touring purpose. Thanks

HBRob

iTrader: (61)

Looks like you want to go around 27/83 with a 17.5.

Here's a link to a great article on gearing and all the terminology.

http://www.petitrc.com/Tech/UnderstandGearingRatio/

Here's a link to a setup sheet.

http://www.petitrc.com/reglages/3rac...u_PYC20130630/