Replacement Ultra Bee Rear Brake

Replacement Ultra Bee Rear Brake

Replace or upgrade your Ultra Bee rear brake with a genuine OEM or replica unit from Kaos Customs. Whether you’re repairing a worn or damaged brake, swapping a replica for an OEM caliper, or sourcing a spare, this is the same moto-grade hydraulic brake that powers our Ultra Bee brake kits — strong, reliable stopping power built for the heavier loads and higher speeds of e-motos.

Choose Your Caliper: OEM or Replica — Clearly Labeled
We sell both, and we tell you exactly which is which:

• Full OEM Ultra Bee Brake System – The genuine Ultra Bee caliper and brake system. Strongest braking power, more back pressure for sharper lever feel and modulation, and the highest overall build quality.
• Replica Ultra Bee Brake System – A lower-cost replica caliper that still delivers strong, reliable braking power. Slightly less powerful with a bit less back pressure and a step below in build quality — a great-value option.

What’s Included

• Complete Rear Brake Assembly – Ultra Bee caliper, brake line, and master cylinder, pre-bled and ready to install. Choose OEM or replica.

This is the brake unit only — it does not include a rotor or caliper bracket. It’s a direct replacement for the brake assembly used in our Ultra Bee rear brake kits.

Fitment
This is a replacement Ultra Bee rear brake. It fits any setup already running an Ultra Bee rear brake, including Kaos Customs Ultra Bee brake kits. If you’re unsure whether this is the right replacement for your build, reach out before ordering and we’ll help you confirm.

Installation Notice
Proper brake setup is critical for safety. We strongly recommend professional installation of any braking component, and always test your brakes at low speed before riding. Use of this product may void the manufacturer’s warranty. This product is intended for off-road use only. Use at your own risk. See our full product safety warnings and disclosures here.