Originally Posted by
Lazyass
I've had the Spyre's and I have Shimano hydraulic. The hydraulic's are more powerful because there is no cable stretch when you slam them and the lever pull and modulation is smoother due to no cable friction. I wouldn't say it's a night and day difference but it's very noticeable. But the Spyre's do work fine.
I wouldn't say more powerful, both lock up and slow you down just as fast given you have a strong grip, the shimano's have better modulation and require less lever force, requiring only a single finger for most stops.