2000W E-Bike Conversion Kit Rear Wheel 50A Controller UKC1 Display 48V 52V Battery Freewheel

⚡ 2000W Rear Hub E-Bike Conversion Kit ⚡

Upgrade your bike with a powerful 2000W rear hub motor kit, complete with a compact 50A sinewave controller, UKC1 Plus limiter display, and a choice of cassette or freewheel axle setups. Designed for riders looking for strong performance, smooth power delivery, and a clean installation setup.

🚴 Motor & Wheel Specifications

• 2000W high-performance rear gearless hub motor

• 35mm wide magnets with upgraded 3mm thick magnet design

• Choice of axle options:

  • M12 Cassette Axle – compatible with 1–11 speed Shimano HG-style cassette setups

  • M14 Freewheel Axle – supplied with pre-installed 7-speed freewheel

• Double-wall anodised black MTX39 aluminium rim

• Black stainless steel spokes with stainless steel nipples

⚙️ 50A Compact Sinewave Controller

Supplied with a compact yet powerful 50A sinewave controller engineered for smooth acceleration and reliable high-power performance.

Features:

✅ Compact design for a cleaner build
✅ Designed for seatpost tube mounting
✅ Includes mounting brackets
✅ Can also be fitted inside the supplied waterproof controller box
✅ Smooth and responsive sinewave power delivery

🎛️ UKC1 Plus Display with Limiter Function

The included UKC1 Plus display features an integrated limiter mode.

Simply press and hold the minus button for a few seconds to activate:

✅ Throttle limited to approximately 6km/h
✅ Pedal assist limited to 25km/h / 15.5mph
✅ Helps support UK e-bike compliance requirements

⚠️ Please note: This kit is supplied for off-road/private land use out of the box.

🔋 Battery Options

Choose from the following options:

• Kit Only (No Battery)

• 48V 30Ah Battery – 50A BMS + 4A Charger

• 52V 20Ah Downtube Poly Battery – 50A BMS + 3A Charger

• 52V 28Ah Triangle Battery – 50A BMS + 4A Charger

Premium Cell Upgrade Available

Upgrade to premium Grade A 21700 50GB cells for enhanced quality, performance, and longevity.

📦 What’s Included

• 2000W rear hub motor wheel

• Choice of M12 cassette or M14 freewheel setup

• 50A sinewave controller

• UKC1 Plus display with limiter function

• Suron-style full twist throttle with waterproof connector

• Black waffle grips

• Pedal assist sensor

• MTX39 double-wall aluminium rim

• Black stainless steel spokes & nipples

• Waterproof controller box

• 3-to-1 waterproof data cable for cleaner cable management

• Cable ties

• Crank removal tool

• Cassette removal tool

• 4 custom stainless steel torque arms by E Bike Power UK®:

  • 2 x one-piece teardrop torque arms

  • 2 x two-piece torque arms

• Optional battery bundle depending on selected package

⚠️ Brake sensors are not included and are available separately for £19.99.

🛡️ Custom Torque Arm System

To improve safety and durability, this kit includes four custom stainless steel torque arms designed by E Bike Power UK®.

Included styles:

• 2 x one-piece teardrop torque arms

• 2 x two-piece torque arms

Choose the setup best suited to your bike’s dropout design.

🛠️ Installation Recommendations

🔧 Ensure axle nuts and torque arms are securely tightened
🔧 Keep the motor cable away from the disc brake rotor
🔧 Recheck spoke tension after initial rides
🔧 If mounting the controller inside the controller box, additional ventilation holes are recommended
🔧 Keep motor phase cables separated from other wiring due to heat under heavy load
🔧 Confirm frame compatibility and dropout spacing before purchase
🔧 Professional installation is recommended for inexperienced users

❓ Frequently Asked Questions

Does the kit include brake sensors?

➡️ No, brake sensors are optional and sold separately.

Can the kit run throttle only?

➡️ Yes, throttle-only operation is supported.

What’s the difference between M12 and M14?

➡️

• M12 = cassette setup compatible with Shimano HG-style cassettes

• M14 = supplied with a pre-installed 7-speed freewheel

Can the kit be speed-limited?

➡️ Yes, the UKC1 Plus display limiter can reduce pedal assist to 25km/h (15.5mph) and throttle speed to approximately 6km/h.

🛡️ Warranty

• 3-month warranty on conversion kit components

• 12-month battery warranty when purchased with a battery option

Warranty does not cover misuse, incorrect installation, water damage, wear and tear, abuse, or unauthorised modifications.

⚖️ Legal Information

This is a high-powered e-bike conversion kit intended primarily for off-road or private land use.

The UKC1 Plus limiter can help restrict pedal assist to UK legal limits; however, it remains the rider’s responsibility to ensure compliance with local laws and regulations.

🚚 Shipping

📦 Orders are tested before dispatch
🚚 Fully tracked delivery service
⏱️ Typical delivery time: 2–3 working days after dispatch
📮 Couriers may include DPD, UPS, Parcelforce, Royal Mail, or similar services

↩️ Returns

• 14-day return policy

• Items must be unused and returned complete in original packaging

• Buyer is responsible for return shipping unless agreed otherwise

🤝 Why Buy From Us?

✅ Friendly UK-based customer support
✅ Wide range of DIY e-bike parts and accessories
✅ Trusted seller with excellent customer feedback
✅ Fast UK dispatch and tracked delivery

⚠️ Please note: Many high-power e-bike kits are not road legal in the UK. If unsure about legal requirements, please contact us before purchasing.