Replacement Sled Nut & M3 Bolt, 3 sets Included in Box:

Included in Box:

3T ARX II with slotted face plate

C3 and S3 bicycles)

The center of your computer will sit in the center of the stem cap

6 Computer heads:

Replacement Sled Nut & M3 Bolt, 3 sets Included in Box:Bar Fly aluminum Sled Nut (T nut), with M3x18mm socket head bolt. Fits Bar Fly Race Direct and Bar Fly 4 Direct Max. Both of these mounts are aluminum. The Sled nut fits the original injection molded Direct mounts, but requires a shorter bolt. 1 item = 3 sets = 3pcs M3 bolt + 3pcs sled nut Bar Fly Direct mounts are compatible with Felt, Cervelo, Fizik, and 3T ARXII stems only. If you add a light (not recommended), use a safety strap.