QUOTE(deanie-b @ Dec 10 2005, 05:33 PM) ←Gear ratio calculator in Danny's Signature Hope you don't mind danny! http://www.trials-forum.co.uk/index.php?showuser=1 Anyway, I wouldn't recommend changing to a 16 tooth up front, that's ridiculous. Thats whats Mods use! most mods use 18t up front and i have a mate with a stock with front freewheel, he runs a 16t up front.