Fly Volcano 15 Headset Subrosa Crank arms are built from

Crank arms are built from 7075 aircraft grade aluminium with steel pedal inserts that are pressed in from both sides to prevent stripping

replacable nylon sleeve

low profile tread and most importantly that mega squeak

4" DUO Brand HSL tires

Seamless 4130 CrMo tubing

Fly Volcano 15 Headset Subrosa Crank arms are built fromAs simple as a headset may be, Fly have always put a lot of focus on creating headsets that are not only simple, but look amazing. The Volcano integrated headset is a 15mm option like Courage Adams and Devon Smillie ride. The Volcano headset paired with the Volcano stems and Volcano forks make for one perfect setup.