A new leverage ratio from the levers means these brakes are more or less only compatible with matching 7900 series levers, although any lever that can pull a cable will be able to operate them to some degree.
Cold-forged arms, dual pivots for both the front and the rear brakes, titanium spring tension screws for centring and new compound brake pads all add up to make one of the most impressive stoppers available.
When partnered with aluminium rims and the standard pads they give a linear and predictable action requiring only light pressure to slow down, and they are easy to modulate when riding on the drops where a little more finesse is needed.