Federal's Session Fork was designed to be one of the strongest forks out there

-11t Chromo Driver: 134g/4

CRANKS: Chromoly – 8 Spline - 3-Piece - 170mm - 19mm

Sanko Japanese chromoly and a 7075-T6 M24 top bolt

is made of high quality 7075 CNC machined aluminium and the low flange design not only looks great but is also designed strong

Profile Elite Aluminium Splined Driver with Chromoly Cog supplier_54521972228422 Federal's Session Fork was designedThe Profile Elite Aluminium Splined Driver is a replacement driver designed for Profile Elite cassette hubs only. Upgarde your standard driver with an aluminium splined driver that delivers less weight, this driver comes with a chromoly cog included. Weight: 0. 17 lbs (76g)