{"product_id":"ultimate-mtx-48v-250w-road-legal-e-bike-conversion-kit-hg-cassette-1-11-speed-rear-wheel-48v-19-2ah-lg-battery","title":"Ultimate MTX 48V 250W Road Legal E Bike Conversion Kit HG Cassette 1-11 Speed Rear Wheel | 48V 19.2AH LG Battery","description":"\u003ch1\u003e🔋🚲 250W Cassette Rear Hub Motor Conversion Kit – Plug \u0026amp; Play • Road-Legal Mode\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eHG Cassette Compatible • Waterproof Wiring • 36V \/ 48V \/ 52V Compatible\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTransform your bicycle into a powerful electric bike with the \u003cstrong\u003eMCR Electric 250W Cassette Rear Hub Motor Conversion Kit\u003c\/strong\u003e. Designed for bikes with \u003cstrong\u003e135mm rear dropouts\u003c\/strong\u003e and \u003cstrong\u003eHG cassette drivetrains (1–11 speed)\u003c\/strong\u003e, this lightweight, compact and reliable conversion kit offers outstanding performance while remaining simple to install.\u003c\/p\u003e\n\u003cp\u003eFeaturing fully waterproof plug-and-play connections, a premium MTX39 wheel, colour display and high-quality components throughout, this kit is ideal for commuters, leisure riders and DIY e-bike builders.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTypical private land performance:\u003c\/strong\u003e Up to \u003cstrong\u003e20–25mph\u003c\/strong\u003e and approximately \u003cstrong\u003e15–30 miles\u003c\/strong\u003e per charge, depending on battery choice, rider weight, terrain and weather conditions.\u003c\/p\u003e\n\u003cp\u003eFor higher torque and increased top speed, we recommend pairing the kit with a \u003cstrong\u003e48V or 52V battery\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e📦 What's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ 250W Brushless Geared Rear Hub Motor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ HG Cassette Freehub (Compatible with 1–11 Speed Cassettes)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ MTX39 Lightweight Double-Wall Aluminium Rim (Black)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ Disc Brake Compatible Wheel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ 36 Black Stainless Steel Spokes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ SW900 Full Colour Display\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ 17A DC Moto Controller (36V \/ 48V \/ 52V)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ XT60 Battery Connector\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ Waterproof 3-in-1 Data Cable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ Slimline Half-Twist Throttle with Matching Left Grip\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ VL-12 Pedal Assist Sensor (PAS)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ Waterproof Controller Box\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ LED Headlight (Display Controlled)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ Waterproof Motor Extension Cable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ Tyre Levers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ Cable Wrap\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ Cable Ties\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ Fully Waterproof Plug-and-Play Connectors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e⚖️ UK Road-Legal Mode\u003c\/h2\u003e\n\u003cp\u003eThe SW900 display features a built-in \u003cstrong\u003eRoad-Legal Mode\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eSimply hold the \u003cstrong\u003eDown\u003c\/strong\u003e button to activate.\u003c\/p\u003e\n\u003cp\u003eWhen enabled:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ Assistance is limited to \u003cstrong\u003e15.5mph (25km\/h)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ Throttle is disabled\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ Pedal Assist remains active\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ Walk Assist icon appears on the display\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor use on UK public roads, the bike must comply with current UK e-bike regulations.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🔋 Battery Compatibility\u003c\/h2\u003e\n\u003cp\u003eCompatible with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ 36V Batteries\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ 48V Batteries \u003cem\u003e(Recommended)\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ 52V Batteries\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBattery choice affects acceleration, range and top speed.\u003c\/p\u003e\n\u003ch3\u003ePerformance Guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e36V\u003c\/strong\u003e – Smooth, efficient everyday riding\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e48V\u003c\/strong\u003e – Excellent balance of power, torque and range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e52V\u003c\/strong\u003e – Increased acceleration and improved top-end performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis kit can be purchased on its own or paired with any compatible \u003cstrong\u003eMCR Electric\u003c\/strong\u003e battery.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🔋 Optional Battery Bundle\u003c\/h2\u003e\n\u003cp\u003eAdd one of our batteries for a complete plug-and-play conversion.\u003c\/p\u003e\n\u003cp\u003eExample bundle includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ 48V 14Ah Downtube Battery\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ 54.6V UK Charger\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ XT60 Connector\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ 2 Keys\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ Rubber Mounting Pads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBuilt using \u003cstrong\u003eGrade A lithium-ion cells\u003c\/strong\u003e for reliable performance and long service life.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e⚙️ Cassette Compatibility\u003c\/h2\u003e\n\u003cp\u003eCompatible with HG cassette systems from:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ 1 Speed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ 6 Speed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ 7 Speed*\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ 8 Speed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ 9 Speed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ 10 Speed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ 11 Speed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*7-speed cassettes require a \u003cstrong\u003e2.5mm spacer\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🛠️ Customisation Options\u003c\/h2\u003e\n\u003cp\u003ePrefer a \u003cstrong\u003efull-twist throttle\u003c\/strong\u003e instead of the supplied half-twist version?\u003c\/p\u003e\n\u003cp\u003eSimply leave a note when ordering and we'll swap it at no extra cost.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🔧 Installation Tips\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ Cassette tool and chain whip required\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ Ensure the axle is fully seated before tightening both 19mm axle nuts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ Remove the transport spacer before fitting your brake disc\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ Lightly grease the cassette spline before installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ Remove the brake caliper for easier wheel fitting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ Check motor phase wires are routed correctly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ Apply thread-lock to brake rotor bolts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ Recheck spoke tension after the first few rides\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ We strongly recommend fitting a torque arm for additional safety\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e🛡️ Warranty\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ 3-Month Warranty on the Conversion Kit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ 12-Month Warranty on MCR Electric Batteries (when purchased with the kit)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWarranty excludes accidental damage, water ingress, misuse and unauthorised modifications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🚚 Shipping\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e📦 Every kit is tested before dispatch\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e🚚 Orders dispatched within \u003cstrong\u003e24 hours (Monday–Friday)\u003c\/strong\u003e when ordered before \u003cstrong\u003e1:00 PM\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e📍 Fully tracked UK delivery\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e🚛 Courier selected based on parcel size and destination (FedEx, DPD, UPS, Parcelforce or Royal Mail)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e⏱️ Estimated delivery: \u003cstrong\u003e1–2 working days\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e⭐ Weekend delivery available (additional charge)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e↩️ Returns\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ 14-day returns policy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e✔️ Items must be unused and returned complete with all supplied components and accessories\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e❗ Return postage costs are the responsibility of the buyer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e🤝 Why Choose MCR Electric?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e🇬🇧 UK-based expert support\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e🚚 Fast UK dispatch\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e🔧 Every kit tested before shipping\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e⚡ Waterproof plug-and-play wiring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e🛠️ Premium quality components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e🚲 Trusted by e-bike builders across the UK\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e🛒 Wide range of batteries, displays, controllers, motors and accessories available\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MCR_ELECTRIC ","offers":[{"title":"26\" no Battery","offer_id":54236379742545,"sku":"26” 250W MTX WP KIT","price":199.0,"currency_code":"GBP","in_stock":true},{"title":"26\" with Battery","offer_id":54236379775313,"sku":"26” 250W MTX WP KIT","price":409.0,"currency_code":"GBP","in_stock":true},{"title":"27.5\" no Battery","offer_id":54236379808081,"sku":"27.5\" 250W MTX WP KIT","price":199.0,"currency_code":"GBP","in_stock":true},{"title":"27.5\" with Battery","offer_id":54236379840849,"sku":"27.5\" 250W MTX WP KIT","price":409.0,"currency_code":"GBP","in_stock":true},{"title":"29\" no Battery","offer_id":54236379873617,"sku":"29\" 250W MTX WP KIT","price":199.0,"currency_code":"GBP","in_stock":true},{"title":"29\" with Battery","offer_id":54236379906385,"sku":"29\" 250W MTX WP KIT","price":409.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/4550\/2801\/files\/378_5d6ee7e4-17cf-4321-bd4d-14f77ad9b6ea.png?v=1783348519","url":"https:\/\/mcrelectric.co.uk\/products\/ultimate-mtx-48v-250w-road-legal-e-bike-conversion-kit-hg-cassette-1-11-speed-rear-wheel-48v-19-2ah-lg-battery","provider":"MCR_ELECTRIC ","version":"1.0","type":"link"}