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Mesa Project
Sur-Ron Ultra Bee, side view

Photo: Sur-Ron · Current model shown.Photo policy

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Sur-Ron

Ultra Bee

2023

Model year

20262023Compare years

Sur-Ron's bigger sibling to the Light Bee: more battery, more suspension, more bike. Sits between the pit-bike crowd and full-size MX.

Editorial opinion. Specs below are sourced.

Price

$6,499

MSRP at time of Cycle News review, Nov 2023.

Power

12.5 kW17 hp

Above 45 of 81 in index

Weight

187 lb84.8 kg84.8 kg187 lb

Lighter than 14 of 80 in index

Batterycalc

4,070 Wh4.07 kWh

Above 72 of 82 in index

W/kgcalc

147 W/kg

Above 32 of 71 in index

Seat height

909 mm35.8 in

Lower than 7 of 72 in index

Front travel

239 mm9.4 in

Above 25 of 35 in index

Specifications

[n] = source · CALC = calculated by Mesa Project

Price

Price
$6,499[1]MSRP at time of Cycle News review, Nov 2023.

Motor & performance

Peak power
12.5 kW17 hp[1]Published as 12.5 kW (16.8 hp).
Rated power
Not published
Power-to-weight
147 W/kg[1]CALCCalculated by Mesa Project: claimed peak power ÷ claimed weight.
Torque (as published)
441 Nm325 lb-ft[1]Published as 325 lb-ft; measurement point not stated.
Top speed
56 mph90 km/h[1]Published as 56 mph.

Battery & charging

Battery capacity
4,070 Wh4.07 kWh[1]CALCCalculated: 74 V × 55 Ah.
Pack voltage
74 V[1]
Pack amp-hours
55 Ah[1]
Swappable battery
Not published
Range claim
87 mi140 km[1]Claimed 87 miles; varies widely with terrain.
Charge time
4 h[1]0–100%.

Chassis

Weight
187 lb84.8 kg84.8 kg187 lb[1]Published as 187 lb ready to ride.
Seat height
909 mm35.8 in[1]Published as 35.8 in.
Ground clearance
318 mm12.5 in[1]Published as 12.5 in.
Wheelbase
1,379 mm54.3 in[1]Published as 54.3 in.
Frame
Forged aluminum alloy[1]

Suspension

Fork
37 mm inverted, adjustable compression & rebound[1]
Front travel
239 mm9.4 in[1]Published as 9.4 in.
Shock
TR Intersect monoshock, adjustable preload, compression & rebound[1]
Rear travel
244 mm9.6 in[1]Published as 9.6 in.

Wheels & brakes

Front wheel
19″[1]
Rear wheel
19″[1]
Front tire
80/100-19[1]
Rear tire
90/90-19[1]
Front brake
240 mm hydraulic disc[1]
Rear brake
240 mm hydraulic disc[1]

Electronics

Ride modes
Sport · Daily · Eco · Reverse[1]
Regen braking
Sur-Ron Energy Regenerative System (SERS)[1]
Display
Not published

Ownership

Warranty
Not published

Sources

  1. [1]2023 Surron Ultra Bee ReviewCycle News · PRESS · PUB 2023-11-16 · CHECKED 2026-11-13

Values are manufacturer claims as published by the source unless tagged otherwise. Found an error? Report it.

Compare against

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    13 kW · 160 lb72.6 kg · 2,880 Wh

    • → SRPNT X3 claims 0.5 kW more peak power
    • → SRPNT X3 is 27 lb12 kg lighter
    Ultra Bee vs SRPNT X3 →
  • 79Bike product photo

    79Bike · 2026

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    12 kW · 146 lb66.2 kg · 2,880 Wh

    • → Ultra Bee claims 0.5 kW more peak power
    • → Lynx is 41 lb19 kg lighter
    Ultra Bee vs Lynx →
  • Stage2 product photo

    Stage2 · 2026

    M2

    14 kW · — · 3,240 Wh

    • → M2 claims 1.5 kW more peak power
    • → Ultra Bee carries 830 Wh more battery
    Ultra Bee vs M2 →