Profile Elite Aluminium Splined Driver with Chromoly Cog mount-type-1 one 5mm spacer included

one 5mm spacer included

this disc brake caliper is all you need to improve control

Machining in key areas helps keep the weight down and gives the Hydra its distinct and clean design

The M2 features a heavy duty section that connects the two lugs that makes it almost impossible to break

Profile Elite Aluminium Splined Driver with Chromoly Cog mount-type-1 one 5mm spacer includedThe 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)