Front sprocket is stock. Rear was +1 in the races. Not sure why, but I was getting more (GPS) speed with the +1 rear.
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Front sprocket is stock. Rear was +1 in the races. Not sure why, but I was getting more (GPS) speed with the +1 rear.
Slightly better mechanical advantage with the +1.
If you're at max speed because thrust = drag but you've got more revs left, go up a tooth and you can squeak out a few more mph.
yeah I was thinking the bigger rear might be giving a little extra thrust