This is a majority of the email.
For use when attaching a DISC Drive Sprocket
and a DISC Brake Rotor.
3/8 offset (3/4 inch total thickness)
1/4 offset (5/8 inch total thickness)
1/8 offset (1/2 inch total thickness)
Chose your offset,
On a DISC hub wheel the sprocket needs to be
attached closer to the spokes.
This adapter allows for that
inset, allowing a DISC brake rotor
to also be attached to the hub.
For mechanics skilled in bicycle
drive-trains and Chain alignment,
for experts only.
Inner ring is 53mm,
DISC rotor surface diameter needs to be under 53mm.
9 outer holes are 10mm diameter.
Outer Diameter: 89mm, 3.5inches
Center Hole Diameter Bore: 34.5mm, 1.38in
Inner stepped in Ring Cup Diameter goes against rotor surface: 53mm, 2inches
Outer Step Diameter: 58.5mm, 2.3inches
Sample picture to show you how it looks all put to together.
Rotor and Sprocket purchased separately, not included.
In this listing you are purchasing the
DISC Drive Sprocket Adapter only.
Please watch view the video:
DISC Drive Sprocket Adapter 9 Chainring Bolt Style