Originally Posted by
Nagrom_
You won't need a chainbreaker. Thats 4 extra teeth, 2 extra inches, an inch of movement in the dropouts.
Slam the 19t forward, or slam the 15t back.
We decided while you were gone that one tooth difference was 1/8" and not 1/4". So it'd be a half-inch.
http://www.bikeforums.net/showthread...1#post14463733
http://www.bikeforums.net/showthread...=1#post5018993