Perfect 👊 same energy, emojis kept, just refreshed wording and fully branded for MCR Electric.

🔋🚲 250W Cassette Hub Motor Conversion Kit

Plug & Play | Road-Legal Mode | Clean OEM Look

👋 Welcome to MCR Electric

If you’re after a lightweight, road-friendly conversion that still delivers solid pull — this is the one.

Designed for bikes with 135mm+ rear dropouts and HG cassette drivetrains (1–11 speed), this 250W setup keeps things compact while still giving you proper electric assist ⚡

(Performance varies depending on rider weight, terrain & weather.)

🚀 Expected Performance

🏁 Private land:
• Approx 20–25mph top speed
• Around 15–30 miles per charge

Want more torque or stronger acceleration? Pair it with a 48V or 52V battery 🔋

🛣 UK Public Roads:
Street Mode limits assist to 15.5mph (25km/h) with pedal assist only.

📦 What’s Included

Everything you need — fully plug & play with waterproof connectors ✅

• 🔧 250W Brushless Geared Rear Hub Motor
(HG cassette body, fits 135mm dropout)

• 🛞 MTX39 All-Black Double Wall Aluminium Rim
• 🧵 36 Black Stainless Steel Spokes
• 🛑 Disc Brake Compatible ONLY
• 📱 SW900 Colour Display
• 🎛 17A DC Moto Controller (36V / 48V / 52V compatible – XT60 female)
• 🔌 3-in-1 Data Cable
• 🌀 Slim Half-Twist Throttle + Left Grip
• 🚴 VL-12 Pedal Assist Sensor (PAS)
• 🛡 Waterproof Controller Box
• 💡 Display-Controlled Headlight
• 🧰 Tyre levers, cable wrap & ties
• 🔌 Waterproof Motor Extension Cable

No cutting wires. No guesswork.

⚖️ Road-Legal Mode (UK)

Activating legal mode is simple:

🔘 Hold the DOWN button on the display
👣 “Walk/Person” icon confirms it’s active

When enabled:
• 🚴 PAS limited to 15.5mph
• 🚫 Throttle disabled
• ⚡ Output restricted for compliance

To stay road-legal, use PAS only with throttle switched off.

🔋 Optional Battery Bundle

Add a battery at checkout and receive:

🔹 48V 14Ah Samsung Poly Downtube Battery
🔹 2A UK Charger
🔹 Rubber mounting pads
🔹 2 Keys
🔹 XT60 connection

More volts = stronger pull and better response ⚡

⚙️ Cassette Options

We can pre-install a:
• 7 speed (requires 2.5mm spacer)
• 8 speed
• 9 speed
• 10 speed

Just add it from our store and leave a note at checkout.

🧩 Running Different Setups

🏁 Throttle-only or no PAS? Fine for private land.
⚠️ For UK road compliance, PAS must be active and throttle disabled.

🛡 Warranty

🔧 3 Months – Conversion Kit
🔋 12 Months – Battery (if purchased)

Covers manufacturing faults only. Does not cover misuse or incorrect installation.

🛠 Installation Tips

🔧 You’ll need a chain whip & cassette tool
🧲 Make sure axle sits fully in dropouts before tightening 19mm nuts
🛑 Remove transport spacer before fitting disc rotor
🧴 Lightly grease cassette spline before install
🛞 Slime inner tubes reduce punctures
🧷 Remove brake caliper for easier wheel fitting
🔌 If wheel doesn’t spin freely, check wiring alignment
🧵 Use thread-lock on rotor bolts
🗜 Recheck spoke tension after first rides
🦾 Torque arm recommended for added safety

Take your time with the install — it’s worth it.

🚚 Same-day dispatch on all orders placed before the daily cut-off — fast UK delivery

⚡ MCR Electric — Built for dependable riding

↩️ Returns

🗓 14-Day Return Policy
📦 Must be unused & complete
💳 Buyer covers return shipping