Aaron Gwin's impact on TRP has been tremendous, and the latest brake from the growing brand benefits from the technologies developed with one of the world's best downhill racers. Together they made the burly Quadiem brake, scrutinizing every detail along the way, and much of it bears a close resemblance to the new Trail SL brake you see before you. You'll find the same G-Spec lever blade and finned caliper body on both brakes, although the Trail SL gets mismatched piston sizes and its own lever body. How does that downhill pedigree transfer over to the everyday trail ride? After...