I think the 420 has the cheaper looking non servo long lever, resin pads, and im guessing the same caliper as the 520. The 520 shares the same short hook style servo wave lever as the higher end brakes, and came with metallic pads (at least last year they did)
Sept. 28, 2020, 3:05 p.m. - UFO
I think the 420 has the cheaper looking non servo long lever, resin pads, and im guessing the same caliper as the 520. The 520 shares the same short hook style servo wave lever as the higher end brakes, and came with metallic pads (at least last year they did)