Surron Ultra Bee Rear Brake Rotor 240mm / 270mm | EBG
Price range: $ 120.00 through $ 239.00
Floating rear brake rotor for Surron Ultra Bee in 240mm and 270mm configurations. Built with a heat-treated 420J2 ring, CNC-machined 7075-T6 carrier and titanium mounting bolts.
Quick Specs
| Bike | Surron Ultra Bee |
|---|---|
| Position | Rear |
| Rotor Diameter | 240mm / 270mm |
| Rotor Thickness | 3.5mm |
| Compatible Caliper | Surron Ultra Bee rear brake caliper setup |
| Wheel Hub / Setup | OEM or aftermarket wheel hub; select No Bracket, Single-Caliper Bracket or Dual-Caliper Bracket to match your setup |
| Braking Ring | Heat-treated 420J2 stainless steel |
| Floating Carrier | CNC-machined 7075-T6 aluminum |
Fitment Guide
| Rotor Option | Bike / Position | Caliper / Bracket Setup |
|---|---|---|
| 240mm | Surron Ultra Bee rear | Select the bracket option that matches the existing single- or dual-caliper setup |
| 270mm | Surron Ultra Bee rear | Oversize configuration; select the correct single- or dual-caliper bracket option |
What’s Included
- 1 EBG Surron Ultra Bee rear floating brake rotor in the selected size
- 1 set of fitment-specific titanium mounting bolts
- 1 CNC-machined 7075-T6 rear caliper bracket only when a bracket option is selected
Not included: Brake caliper. No bracket is included when No Bracket is selected.
Why Upgrade?
During repeated hard braking and long off-road descents, a rotor must manage heat while maintaining stable pad contact. This EBG floating rotor uses a heat-treated braking ring and a rigid aluminum carrier to support consistent braking response and reduce the risk of distortion through repeated heat cycles.
Materials and Construction
- Braking ring: Heat-treated 420J2 stainless steel for strength, wear resistance and corrosion resistance.
- Rotor thickness: 3.5mm for increased rigidity and heat capacity.
- Floating carrier: CNC-machined 7075-T6 aluminum for high strength with lower rotational mass.
- Floating construction: Allows controlled thermal expansion between the braking ring and carrier to help reduce warping.
- Machined braking surfaces: Designed for stable pad contact and predictable braking response.
Installation Notes
Confirm the selected rotor size, wheel hub and bracket configuration before ordering. Keep the braking surface free from oil and grease, and bed in the rotor with compatible brake pads after installation.
| Weight | 0.8 kg |
|---|---|
| Size | 240mm, 270mm |
| Option | No Bracket, +1 Ultra Bee Caliper Rear Brake Bracket, +1 Ultra Bee Dual Caliper Rear Brake Bracket |
| Hub Wheel Option | OEM Hub Wheel, Aftermarket Hub Wheel (Please mention your hub wheel model in the Order Note) |
| Bracket Color | Black, Raw |
30-Day Limited Warranty
Eligible EBG-branded products are covered against confirmed manufacturing defects for 30 calendar days from the carrier-recorded delivery date. Product-specific coverage takes precedence.
Shipping Policy
Orders include tracked international shipping. Processing and delivery estimates depend on product availability, destination and the selected service.
What riders say about our rotors
9 reviews from riders in Facebook owner groups and Instagram.
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