with the spindle and wings made from titanium

Once the main valve body is tight

rock chips

provides the perfect grip toward the rear and thereby assures direct transfer of force to the pedals

The Crosshair caliper alignment design is unique to Hayes and allows you to fine-tune your caliper alignment over the rotor by using grub screws in the caliper body that push on the mounting bolts

Formula Ebike Magnet Disc Adapter - Speed Sensor Magnet - Purple - For 180mm Exclusive with the spindle and wingsWith the E bike Magnet Speed Sensor Adapter from Formula you can attach a magnetic speed sensor to the Monolitic brake rotor of your e bike. This gives you even more accurate data about your journeys. Compatibility Monolitic 6 bolt brake rotor Monolitic Center Lock brake rotor Features brake rotor adapter for magnetic speed sensors fits in recess of brake rotor