Overview
It is designed for select Baer Brake systems and is sold as each.
Its six-stud pattern sits on a 5.50 inch bolt circle, with a 3.094 inch center hole and an overall height of 3.366. The rotor is cast iron, vented and directional. It is dynamic balanced for vibration-free running, and the drum in hat design places a drum section inside the rotor hat.
Key features
- One-piece full cast construction
- Plain friction surface
- Drum in hat design
- Six-stud mounting pattern on a 5.50 inch bolt circle
- Curved vanes that aid cooling.
- Dynamic balanced for vibration-free running
- Vented rotor type with a directional brake surface
- Performance grade
Choosing a replacement rotor
A brake rotor is the disc the pads clamp against, so its friction surface, balance and mounting face all affect how smoothly the brakes engage. When choosing a replacement, match the hub bolt pattern, center bore and rotor height to the axle before looking at other details. Brake pads, hub bearings and wheel studs are often inspected at the same time, since each one affects how the rotor runs.
On the trail, heat builds up quickly during long descents, and a vented rotor helps move that heat away. Signs of a worn rotor include pulsing in the pedal, grinding, a lip at the outer edge of the friction surface, and scoring that the pads cannot clear. Check the surface for cracks and measure thickness against the minimum stamped on the old part before reinstalling.
- Torque the lug nuts in a star pattern after mounting
- Bed in new pads with a few controlled stops
- Replace the ABS tone ring if it is damaged
- Clean the hub face so the rotor sits flat
Specifications
| Brand | Baer Brakes |
|---|---|
| Part number | 6910521 |
| UPC | 90127961155 |
| Outside diameter | 14.000 inch |
| Nominal thickness | .799 inch |
| Stud or lug hole quantity | 6 |
| Stud or lug hole circle diameter | 5.50 inch |
| Center hole diameter | 3.094 inch |
| Overall height | 3.366 |
| Axle side | Left |
| Construction | Full cast, one piece |
| Material | Cast iron |
| Surface type | Plain |
| Rotor type | Vented |
| Brake surface | Directional |
| Drum in hat | Yes |
| ABS tone ring included | No |
| Grade type | Performance |
| Emission code | 6 |
| Sold as | Each |
| Country of origin | USA |
Vehicle fitment
Confirm your vehicle’s year, model and trim before ordering.
Installation notes
The rotor is directional and made for the left side only, so verify the side before mounting. Confirm that the drum in hat design matches your current setup. The ABS tone ring is not included. Have a qualified technician install it, since a wrong-side or mismatched rotor can reduce braking.
What’s included
One left-side, one-piece full cast replacement rotor with a plain friction surface, sold as each.
Not included: ABS tone ring.
