Ultimate MTX 48V 250W Road Legal E Bike Conversion Kit HG Cassette 1-11 Speed Rear Wheel | 48V 19.2AH LG Battery

🔋🚲 250W Cassette Hub Motor Conversion Kit – Plug & Play, Road-Legal Mode

We offer one of the best 250W cassette hub motor conversion kits available for bikes with rear dropouts of ≥135 mm and HG cassette drivetrains (1–11 speed). This kit is designed to be lightweight, compact, strong, and easy to install, while still delivering excellent performance for its class. ⚡ Actual performance depends on rider weight, terrain, and weather.
Typical performance (private land): ~20–25 mph top speed (depends on rider weight/terrain) and ~15–30 miles per charge. For more torque and higher top speed, use a 48V or 52V battery. UK public roads: Street Mode limits assist to 15.5 mph (25 km/h) with pedal assist only.

📦 What’s in the Box

• ✅ All plug-and-play waterproof connections
  ✅ 250W brushless geared rear hub motor (HG cassette body, fits 135 mm dropout)
  ✅ HG-style cassette fitment compatible with 1–11 speed setups
  ✅ All-black MTX39 lightweight double-wall aluminium rim
  ✅ Disc Brakes ONLY
  ✅ 36 stainless spokes (black)
  ✅ SW900 colour display
  ✅ 17A DC Moto controller (36V / 48V / 52V), XT60 female
  ✅ 3-in-1 data cable
  ✅ Slim Line half-twist throttle + left-hand grip (stealthy look)
  ✅ VL-12 Pedal Assist Sensor (PAS)
  ✅ Waterproof controller box
  ✅ Headlight (controlled via the display)
  ✅ Tyre levers, cable wrap, cable ties
  ✅ Waterproof motor extension cable

⚖️ Road-Legal Mode (UK)

• 🔘 Hold the down button on the display to activate road-legal mode
  👣 “Walk/Person” icon shows when active
  🚴 Limits PAS to 15.5 mph (25 km/h) and disables the throttle
  ✅ To be road-legal, use PAS only with the throttle off

🔋 Battery Compatibility & Options

• This kit is fully compatible with 36V, 48V, and 52V batteries, giving you flexibility depending on the performance you’re looking for.
  ⚡ 36V – Smooth, efficient riding with moderate speed
  ⚡ 48V – Ideal balance of power and range (recommended)
  ⚡ 52V – Increased torque and higher top-end performance
  You can purchase this kit on its own if you already have a compatible battery, or choose to buy it with our matched 48V battery for a complete plug-and-play setup.
  If you’re looking for more range or upgraded performance, you’re free to select any compatible battery from our store to suit your build.

🔋 Battery Bundle (Optional)

• Add a battery at checkout and receive:
  🔹 48V 14Ah Poly Downtube Battery + 2A UK charger, rubber pads, 2 keys, XT60
  🔹 Built using Grade A original manufactured cells for high performance, reliability, and long-lasting longevity

⚙️ Cassette Options

• We can install a 7/8/9/10-speed cassette if you add one to your order from our store.
  ℹ️ 7-speed requires a 2.5 mm spacer.

🧩 Use Without Certain Accessories

• 🏁 You may run throttle-only or omit PAS on private land/off-road
  ⚠️ For road-legal use, PAS must be used and the throttle disabled

🛡️ Warranty

• 🧰 3-month warranty on the kit
  🔋 12-month warranty on the battery (if purchased)

🛠️ Tips & Tricks

• 🔧 Chain whip & cassette tool required (available in our store)
  🧲 Ensure the axle seats fully in the dropouts; tighten both 19 mm nuts
  🛑 Remove the transport spacer before installing the disc rotor
  🧴 Lightly grease the cassette spline before install
  🛞 Use slime inner tubes to reduce punctures
  🧷 Remove the brake caliper for easier wheel installation
  🔌 If the wheel doesn’t spin freely, check phase wires aren’t touching
  🧵 Apply thread-lock to rotor bolts to protect the motor cable
  🗜️ Recheck spoke tension after initial rides
  🦾 Fit a torque arm if possible for added safety

🧰 Optional Extras

• Prefer a full twist throttle? 🌀 Leave a note at checkout and we’ll swap it in.

🚚 Shipping & Returns

• 📦 Orders dispatched within 24 hours (Mon–Fri) if ordered before 1PM
• 🚛 Carriers: Royal Mail, DPD or FedEx (Tracked)
• ⏱️ Estimated delivery: 1–2 working days
• ↩️ 30-day FREE returns – Buyer pays postage – Item must be returned in new condition

🤝 Need Help?

• We aim to respond to all messages within 24 hours Monday–Friday 9am – 6pm and some weekends. Our team is always friendly & customer-focused, here to help with your e-bike build. 💬