I have similar measurements to Muirenn (I measured 130, LBS measured 125), and the 143 just about works, which is great, because I'm poor. (Now this post has me wondering if I'm wondering if I'm sitting in the right spot...) However, my bike isn't a great fit and has me a little more leaned forward than I should be on an "endurance geometry" bike.

When I get around to buying a bike that fits me properly, I'm buying a 155 Jett. I'd round up, just in case.