The dual pivot callipers have a modified arch which, Shimano say, gives you a more linear response. Possibly – although you’d have to run them alongside the old model and concentrate really hard to notice much difference there. More significant is the brake block compound that provides significantly stronger power in both wet and dry conditions with a single trigger finger, giving you the confidence to ride faster into bends and brake later. Durability is said to be much greater too – although we didn’t have them long enough to comment on that – and the weight per pair has dropped by 30g.
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Dave is a founding father of road.cc, having previously worked on Cycling Plus and What Mountain Bike magazines back in the day. He also writes about e-bikes for our sister publication ebiketips. He's won three mountain bike bog snorkelling World Championships, and races at the back of the third cats.