ENGWE Electric Bike
ENGWE Electric Bike
ENGWE Electric Bike
ENGWE Electric Bike

Electric Bike

An electric bike, or e-bike, is a bicycle equipped with an integrated electric motor to assist pedaling. E-bikes are designed for various purposes, from commuting to off-road adventures, and typically offer pedal-assist up to 15.5 mph (25 km/h) in the UK (or higher in some regions).

1. Key features include:

  • Motor: Usually 250W (UK/EU legal limit) or higher for off-road models.

  • Battery: Provides a range of 20–130 km per charge, depending on terrain and usage.

  • Pedal Assist vs. Throttle: Some models offer throttle-only propulsion (e.g., “twist and go”), while others require pedaling for motor engagement.


2. Types of Electric Bikes

  • Commuter/Hybrid E-Bikes: Versatile for city riding (e.g., Aventon Soltera 2.5Fiido C11).

  • Folding E-Bikes: Compact for storage (e.g., Fiido D11Lectric XP4).

  • Mountain E-Bikes: Off-road capable (e.g., HaibikeCube).

  • Cargo E-Bikes: Heavy-duty for hauling (e.g., Tern Quick HaulFiido Titan).

  • Conversion Kits: Turn regular bikes into e-bikes (e.g., Swytch Kit).


3. Benefits of E-Bikes

  • Eco-Friendly: Zero emissions compared to cars.

  • Cost-Effective: Lower running costs than petrol vehicles (~£0.13/mile).

  • Health & Fitness: Encourages cycling while reducing strain.

  • Convenience: Tackles hills effortlessly and avoids traffic.


4. Legal Requirements (UK & USA)

  • Age: Riders must be 14+ .

  • EAPC Rules: No license/insurance needed if the bike:

    • Has pedals.

    • Motor ≤250W.

    • Doesn’t assist beyond 15.5 mph.

  • Non-Compliant Bikes: Require registration, insurance, and a license.


5. Top Picks for 2025

  1. Best OverallAventon Level 3 (torque sensor, GPS tracking).

  2. Best CommuterLectric One (Pinion drivetrain, low maintenance).

  3. Best FoldingFiido X (130 km range, award-winning design).

  4. Best ValueAventon Soltera 2.5 ($1,000–$1,500 range).

  5. Best Off-RoadRadRover 6 Plus (fat tires, hydraulic brakes).


6. Where to Buy


7. Considerations Before Buying

  • Test Rides: Recommended to assess comfort.

  • Warranty: Typically 2 years for electronics, 5 years for frames.

  • Storage: Folding models save space.

surron battery

surron 72v 40ah battery

SURRON Lithium-Ion (Li-Ion) Batteries:
Li-Ion batteries are the most common and widely used batteries in electric vehicles, including the Sur Ron electric motorcycle. They offer a high energy density, lightweight construction, and excellent performance. Li-Ion batteries can be customized to meet your specific requirements, offering different voltage, capacity, and configuration options. With our expertise in battery building, we can tailor a Li-Ion battery pack for your Sur Ron, optimizing its power and range to suit your riding needs.

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Ultra Bee 74V 55AH Lithium-Ion Battery (2024 and earlier)

 

Ultra Bee OEM High-Performance 74V 55AH Battery Pack for model years 2024 and earlier.

Features:

  • Stunning Capacity: 4070Wh for long-lasting power
  • Advanced Design: Higher power density and lower temperature rise during discharge
  • Enhanced Reliability: Continuous discharge capabilities for dependable performance
  • Lightweight Powerhouse: 45.19lb with an industry-leading 200Wh/kg capacity density
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72v surron battery​
72v surron battery​