Your brakes are arguably one of the most important components on your bike; how they feel and perform can have a huge impact on your riding. The Hayes Dominion A4 has garnered a solid reputation mainly thanks to its power and feel, and with the introduction of the T4, Hayes sought to maintain that performance while dropping some weight. We’ve had a pair out on the trails for about 7 months now, and we’re here to report on how we’ve been getting along. Strengths Weaknesses Lots of power Great modulation Useful features help with bleed and alignment Low weight Limited range of free stroke...