🚴 Alpine Rides

We supply high-quality electric bike conversion kits built for riders who want serious performance, durability, and a full DIY setup that delivers strong power on demand.

⚡ Compatible with most bikes using 120mm–185mm rear dropout spacing
Suitable for MTB, hybrid, and custom frame builds.

📏 Wheel sizes available: 26", 27.5", 29"

Please check compatibility before ordering.

⚡ 4000W MTX E-Bike Conversion Kit

The 4000W kit is built for riders stepping into extreme performance. It delivers aggressive acceleration, very high torque, and serious climbing power for demanding terrain and high-load riding.

This setup is aimed at experienced builders looking for a powerful, high-output e-bike system.

🔋 Motor & Wheel Setup

• 4000W brushless gearless hub motor (direct drive)

• High torque design for extreme acceleration and hill climbing

• M14 axle with screw-on freewheel (single speed)

• Black SunRingle double-wall aluminium rim

• 36 stainless steel black spokes

• Fits 120mm–185mm rear dropout spacing

🎛️ Controller Options

• Square wave or sine wave controller available

• 72V system setup

• 90A high-power controller

• Waterproof controller housing included

• XT150 high-current connectors

• Very strong throttle response and power delivery

🖥️ LCD Display & Riding Modes

LCD display included for full ride monitoring and control.

Displays:

• Speed

• Battery level

• Trip distance

• Power output

• Assist level

Riding modes:

• Eco

• Comfort

• Sport

• Sport Plus

🛑 Controls & Accessories

• Full twist SurRon-style throttle

• Hydraulic & mechanical brake sensor compatibility

• Black MX grips

• Brake disc spacer included

• Rotor bolt kit included

🛡️ Frame & Installation Kit

• 4x heavy-duty stainless steel torque arms

• Cable protection wrap

• Cable ties included

• Tyre levers included

🔋 Battery Information

All batteries use Grade A 21700 cells for high performance and reliability.

✔ High discharge capability
✔ Long cycle life
✔ Stable output under heavy load

🎁 Free battery bag included with every kit

⚡ Performance

• Very high 4000W power output

• Extreme acceleration and torque

• Strong hill-climbing and load capability

• Performance depends on rider weight, terrain, weather, and battery setup

🛡️ Warranty

• 3-month warranty on kit components

• 12-month warranty on batteries

Warranty does not cover water damage, misuse, or modified wiring/connectors.

🚚 Shipping

• 🌍 We ship worldwide

• 📦 Batteries and kits may be shipped separately depending on order

• 🔎 Fully tracked delivery on all orders

• 🚛 Shipping tier selected at checkout determines delivery speed

⏱️ Delivery times depend on shipping option chosen:

• Standard shipping: longer delivery time

• Express shipping: faster processing

• ⚡ Fastest shipping option: typically around 5 days

📅 Delivery times may vary depending on destination, customs, and courier handling.