The J-tek product is not meant to serve as a primary brake lever -- it's meant to be used in a TT application to give some braking touch for cornering, but I don't think it's strong enough to serve as a primary brake. Can't say I've ever tried them, though, so I'd be interested in hearing from someone who has used them. Much like everything Jtek makes, they are ridiculously expensive for the little aluminum pieces of crap that they are. I have also never seen a set of cross levers that can be used as primary levers. OP - if you find something, or if somebody knows of something, please post the info. I am looking for the same thing. Why doesn't anybody make this?