hey guys i have a agb 29 (this one http://www.pocket-bike-racing.com.au/forum/showthread.php?t=7286) i have a 16 front sprocket and a 43 rear i want it to have a bit more down low so should i go to a say 45 or not?? it is just a tad to high end i want a bit more down lowas for my wifes bike its the oppisite it has a 16 front and a 48 rear and its heaps torquey