This unique bearing installation and function has never been seen before in a bicycle hub

48-spline chromoly spindle

The 28mm offset is a good conpromise between stability and repsonsiveness

Fly gave the Sierra seat an update to match

disc brake cassette

Tioga D-Spyder EVO BMX Race Saddle supplier_55074211463494 This unique bearing installation andA shape designed purely for track use only, the EVO is uniquely sleek and slim to ensure zero disruption under any riding motion, sculpted with swooping contour lines to match the fluid lines of modern pro sized frames. The EVO is 5mm longer than the iconic D Spyder Pivotal to complement the visual proportion with pro sized frames. Its width is 25mm narrower, assuring the saddle never interferes with any riding motion. The integrated post is