Ya I'd say you're pretty close to the size that you need to be on as it is
Maybe go slightly longer or shorter based upon the type of riding you do mostly, but mid 40's is gonna be close.
My girl is about 130 with abs and rocks a 45 Infinity
"When I do good, I feel good; when I do bad, I feel bad. Thatís my religion." - Abraham Lincoln
Moral of the story: If your going to rob people, wear a diaper.