Profile/Madera Race Cassette Driver

SPECS:
INTERNALS: 4 sealed bearings
USES: On standard Profile or Madera cassette hubs with use of 12T - 18T Profile cogs
HUB FIT: Standard Profile or Madera cassette hubs only (not Elite hubs)
CHAIN FIT:  3/32" recommended (1/8" chains will work as well)

 

Cogs, Pawls, and Springs sold separately. This driver does not come with a lock ring.

MATERIAL: Heat-treated chromoly, Machined Titanium or CNC Machined Aluminum

Weight:
Aluminum: 3oz/85g
Chromoly: 4.5oz/127.57g
Titanium: 2.4oz/68g