it's easy to see why with the Profile Race Cranks

tapered leg forks and bars

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

STANDOVER HEIGHT: 7

Profile Elite Aluminium Splined Driver with Chromoly Cog supplier_54521972228422 it's easy to see whyThe 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)