Silca Hiro Side-Lever Locking Presta Chuck - Carbon Steel BF Apparel The Ultra 410 features a

The Ultra 410 features a 12mm double-bolting temper hardened steel shackle providing protection against cutting and torsion attacks in a simple design

A seatpost retention plug that holds an electronic shifting system battery securely inside ENVE carbon seatposts

67"(170 cm) long in the longest wheelbase configuration

Brass check-valve assembly

Silca Hiro Side-Lever Locking Presta Chuck - Carbon Steel BF Apparel The Ultra 410 features aLeaking chucks are a thing of the past with the HIRO locking chuck. Use it on short valves, disc wheels, and any other Presta valve you can throw at it. Years ago while Josh was working with the Team CSC at the Dauphine Libere, he noticed one of their mechanics using the most amazing little chuck to manage the disc wheel inflation. Unlike anything he had seen before, it was all metal and used a 'lollipop' lever on the side to lock onto the valve stems