EXT REA MX Damper - Ultra Bee

The REA MX is a direct bolt-on replacement for the Sur Ron Ultra Bee. No additional hardware is needed, simply bolt-on and go. Shock will be pre tuned by EXT-USA on the information you provide.  

With the growing worldwide success of electric dirt bikes,​ EXT saw the opportunity to take our extraordinary know-how to EMX suspension. Implementing new custom solutions to achieve the highest performance to our customers. We present the REA, a dedicated damper design for the Sur Ron Ultra Bee.

• Robust 40mm Damper Body and 16mm Shaft
• 4-way adjustable: LSC-HSC-LSR-HBC (Hydraulic Bottom-Out Control) With wide range of adjustability to tune for all riding types.
• High flow main piston
• Engineered rebound circuit to separate bump and rebound oil flow – Ultra low-friction coating.
• User adjustable HBC technology that allows for use of softer main spring rate and provides progressive damping support through the last 15% of stroke.
• Very low reservoir pressure for maximum sensitivity and low cavitation
• Very low hysteresis for high dynamic response
• High turbulent flow for progressive dampening and mid stroke support
• Low friction seal
• Secondary bottom out bumper to support end strake events in addition to HBC technology.
• Low profile rebound knob for easy spring swap.
• Included with EXT superlight V2 Spring in weights spring available of 450lb, 500lb, 550lb or 600lbs.
• Comes with specific motorsport spherical bearing mounting hardware for easy bolt in installation.

Please verify your bike model and year before purchasing. If you have questions about fitment, contact us at info@elektrischesracing.com or use the chat below — we’re riders, and we’ll help you get the right part.

Most kits are plug-and-play. Installation guides are included in the box and available on our YouTube channel. For complex installations, we recommend watching our installation videos before starting.

Will this fit my bike?
Check the product title and description for compatible models. Contact us if unsure.

How long does shipping take?
Most orders ship within 1-3 business days from Laguna Beach, CA. Free shipping on orders over $200 (Lower 48).

Do you offer financing?
Yes! Shop Pay Installments and Affirm are available at checkout.

What’s your return policy?
We accept returns within 14 days on unused items in original packaging.