{"product_id":"250w-mtx-cassette-kit","title":"Ultimate MTX 48V 250W E-Bike Conversion Kit Cassette 7-11 Speed Rear Wheel | 48V 14AH Samsung Battery","description":"\u003cp data-start=\"0\" data-end=\"99\"\u003ePerfect 👊 same energy, emojis kept, just refreshed wording and fully branded for \u003cstrong data-start=\"82\" data-end=\"98\"\u003eMCR Electric\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"101\" data-end=\"104\"\u003e\n\u003ch1 data-start=\"106\" data-end=\"153\"\u003e🔋🚲 250W Cassette Hub Motor Conversion Kit\u003c\/h1\u003e\n\u003ch3 data-start=\"154\" data-end=\"204\"\u003ePlug \u0026amp; Play | Road-Legal Mode | Clean OEM Look\u003c\/h3\u003e\n\u003cp data-start=\"206\" data-end=\"236\"\u003e👋 Welcome to \u003cstrong data-start=\"220\" data-end=\"236\"\u003eMCR Electric\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"238\" data-end=\"343\"\u003eIf you’re after a lightweight, road-friendly conversion that still delivers solid pull — this is the one.\u003c\/p\u003e\n\u003cp data-start=\"345\" data-end=\"524\"\u003eDesigned for bikes with \u003cstrong data-start=\"369\" data-end=\"393\"\u003e135mm+ rear dropouts\u003c\/strong\u003e and \u003cstrong data-start=\"398\" data-end=\"438\"\u003eHG cassette drivetrains (1–11 speed)\u003c\/strong\u003e, this 250W setup keeps things compact while still giving you proper electric assist ⚡\u003c\/p\u003e\n\u003cp data-start=\"526\" data-end=\"592\"\u003e(Performance varies depending on rider weight, terrain \u0026amp; weather.)\u003c\/p\u003e\n\u003chr data-start=\"594\" data-end=\"597\"\u003e\n\u003ch2 data-start=\"599\" data-end=\"625\"\u003e🚀 Expected Performance\u003c\/h2\u003e\n\u003cp data-start=\"627\" data-end=\"707\"\u003e🏁 Private land:\u003cbr\u003e• Approx 20–25mph top speed\u003cbr data-start=\"671\" data-end=\"674\"\u003e• Around 15–30 miles per charge\u003c\/p\u003e\n\u003cp data-start=\"709\" data-end=\"792\"\u003eWant more torque or stronger acceleration? Pair it with a \u003cstrong data-start=\"767\" data-end=\"789\"\u003e48V or 52V battery\u003c\/strong\u003e 🔋\u003c\/p\u003e\n\u003cp data-start=\"794\" data-end=\"887\"\u003e🛣 UK Public Roads:\u003cbr\u003eStreet Mode limits assist to \u003cstrong data-start=\"843\" data-end=\"863\"\u003e15.5mph (25km\/h)\u003c\/strong\u003e with pedal assist only.\u003c\/p\u003e\n\u003chr data-start=\"889\" data-end=\"892\"\u003e\n\u003ch2 data-start=\"894\" data-end=\"915\"\u003e📦 What’s Included\u003c\/h2\u003e\n\u003cp data-start=\"917\" data-end=\"985\"\u003eEverything you need — fully plug \u0026amp; play with waterproof connectors ✅\u003c\/p\u003e\n\u003cp data-start=\"987\" data-end=\"1073\"\u003e• 🔧 250W Brushless Geared Rear Hub Motor\u003cbr data-start=\"1028\" data-end=\"1031\"\u003e(HG cassette body, fits 135mm dropout)\u003c\/p\u003e\n\u003cp data-start=\"1075\" data-end=\"1552\"\u003e• 🛞 MTX39 All-Black Double Wall Aluminium Rim\u003cbr data-start=\"1121\" data-end=\"1124\"\u003e• 🧵 36 Black Stainless Steel Spokes\u003cbr data-start=\"1160\" data-end=\"1163\"\u003e• 🛑 Disc Brake Compatible ONLY\u003cbr data-start=\"1194\" data-end=\"1197\"\u003e• 📱 SW900 Colour Display\u003cbr data-start=\"1222\" data-end=\"1225\"\u003e• 🎛 17A DC Moto Controller (36V \/ 48V \/ 52V compatible – XT60 female)\u003cbr data-start=\"1295\" data-end=\"1298\"\u003e• 🔌 3-in-1 Data Cable\u003cbr data-start=\"1320\" data-end=\"1323\"\u003e• 🌀 Slim Half-Twist Throttle + Left Grip\u003cbr data-start=\"1364\" data-end=\"1367\"\u003e• 🚴 VL-12 Pedal Assist Sensor (PAS)\u003cbr data-start=\"1403\" data-end=\"1406\"\u003e• 🛡 Waterproof Controller Box\u003cbr data-start=\"1436\" data-end=\"1439\"\u003e• 💡 Display-Controlled Headlight\u003cbr data-start=\"1472\" data-end=\"1475\"\u003e• 🧰 Tyre levers, cable wrap \u0026amp; ties\u003cbr data-start=\"1510\" data-end=\"1513\"\u003e• 🔌 Waterproof Motor Extension Cable\u003c\/p\u003e\n\u003cp data-start=\"1554\" data-end=\"1585\"\u003eNo cutting wires. No guesswork.\u003c\/p\u003e\n\u003chr data-start=\"1587\" data-end=\"1590\"\u003e\n\u003ch2 data-start=\"1592\" data-end=\"1618\"\u003e⚖️ Road-Legal Mode (UK)\u003c\/h2\u003e\n\u003cp data-start=\"1620\" data-end=\"1652\"\u003eActivating legal mode is simple:\u003c\/p\u003e\n\u003cp data-start=\"1654\" data-end=\"1739\"\u003e🔘 Hold the DOWN button on the display\u003cbr data-start=\"1692\" data-end=\"1695\"\u003e👣 “Walk\/Person” icon confirms it’s active\u003c\/p\u003e\n\u003cp data-start=\"1741\" data-end=\"1848\"\u003eWhen enabled:\u003cbr\u003e• 🚴 PAS limited to 15.5mph\u003cbr data-start=\"1782\" data-end=\"1785\"\u003e• 🚫 Throttle disabled\u003cbr data-start=\"1807\" data-end=\"1810\"\u003e• ⚡ Output restricted for compliance\u003c\/p\u003e\n\u003cp data-start=\"1850\" data-end=\"1910\"\u003eTo stay road-legal, use PAS only with throttle switched off.\u003c\/p\u003e\n\u003chr data-start=\"1912\" data-end=\"1915\"\u003e\n\u003ch2 data-start=\"1917\" data-end=\"1946\"\u003e🔋 Optional Battery Bundle\u003c\/h2\u003e\n\u003cp data-start=\"1948\" data-end=\"1986\"\u003eAdd a battery at checkout and receive:\u003c\/p\u003e\n\u003cp data-start=\"1988\" data-end=\"2109\"\u003e🔹 48V 14Ah Samsung Poly Downtube Battery\u003cbr data-start=\"2029\" data-end=\"2032\"\u003e🔹 2A UK Charger\u003cbr data-start=\"2048\" data-end=\"2051\"\u003e🔹 Rubber mounting pads\u003cbr data-start=\"2074\" data-end=\"2077\"\u003e🔹 2 Keys\u003cbr data-start=\"2086\" data-end=\"2089\"\u003e🔹 XT60 connection\u003c\/p\u003e\n\u003cp data-start=\"2111\" data-end=\"2159\"\u003eMore volts = stronger pull and better response ⚡\u003c\/p\u003e\n\u003chr data-start=\"2161\" data-end=\"2164\"\u003e\n\u003ch2 data-start=\"2166\" data-end=\"2188\"\u003e⚙️ Cassette Options\u003c\/h2\u003e\n\u003cp data-start=\"2190\" data-end=\"2284\"\u003eWe can pre-install a:\u003cbr\u003e• 7 speed (requires 2.5mm spacer)\u003cbr data-start=\"2245\" data-end=\"2248\"\u003e• 8 speed\u003cbr data-start=\"2257\" data-end=\"2260\"\u003e• 9 speed\u003cbr data-start=\"2269\" data-end=\"2272\"\u003e• 10 speed\u003c\/p\u003e\n\u003cp data-start=\"2286\" data-end=\"2342\"\u003eJust add it from our store and leave a note at checkout.\u003c\/p\u003e\n\u003chr data-start=\"2344\" data-end=\"2347\"\u003e\n\u003ch2 data-start=\"2349\" data-end=\"2379\"\u003e🧩 Running Different Setups\u003c\/h2\u003e\n\u003cp data-start=\"2381\" data-end=\"2502\"\u003e🏁 Throttle-only or no PAS? Fine for private land.\u003cbr data-start=\"2431\" data-end=\"2434\"\u003e⚠️ For UK road compliance, PAS must be active and throttle disabled.\u003c\/p\u003e\n\u003chr data-start=\"2504\" data-end=\"2507\"\u003e\n\u003ch2 data-start=\"2509\" data-end=\"2523\"\u003e🛡 Warranty\u003c\/h2\u003e\n\u003cp data-start=\"2525\" data-end=\"2593\"\u003e🔧 3 Months – Conversion Kit\u003cbr data-start=\"2553\" data-end=\"2556\"\u003e🔋 12 Months – Battery (if purchased)\u003c\/p\u003e\n\u003cp data-start=\"2595\" data-end=\"2677\"\u003eCovers manufacturing faults only. Does not cover misuse or incorrect installation.\u003c\/p\u003e\n\u003chr data-start=\"2679\" data-end=\"2682\"\u003e\n\u003ch2 data-start=\"2684\" data-end=\"2707\"\u003e🛠 Installation Tips\u003c\/h2\u003e\n\u003cp data-start=\"2709\" data-end=\"3206\"\u003e🔧 You’ll need a chain whip \u0026amp; cassette tool\u003cbr data-start=\"2752\" data-end=\"2755\"\u003e🧲 Make sure axle sits fully in dropouts before tightening 19mm nuts\u003cbr data-start=\"2823\" data-end=\"2826\"\u003e🛑 Remove transport spacer before fitting disc rotor\u003cbr data-start=\"2878\" data-end=\"2881\"\u003e🧴 Lightly grease cassette spline before install\u003cbr data-start=\"2929\" data-end=\"2932\"\u003e🛞 Slime inner tubes reduce punctures\u003cbr data-start=\"2969\" data-end=\"2972\"\u003e🧷 Remove brake caliper for easier wheel fitting\u003cbr data-start=\"3020\" data-end=\"3023\"\u003e🔌 If wheel doesn’t spin freely, check wiring alignment\u003cbr data-start=\"3078\" data-end=\"3081\"\u003e🧵 Use thread-lock on rotor bolts\u003cbr data-start=\"3114\" data-end=\"3117\"\u003e🗜 Recheck spoke tension after first rides\u003cbr data-start=\"3159\" data-end=\"3162\"\u003e🦾 Torque arm recommended for added safety\u003c\/p\u003e\n\u003cp data-start=\"3208\" data-end=\"3256\"\u003eTake your time with the install — it’s worth it.\u003c\/p\u003e\n\u003cp data-start=\"888\" data-end=\"977\"\u003e🚚 \u003cstrong data-start=\"891\" data-end=\"977\"\u003eSame-day dispatch on all orders placed before the daily cut-off — fast UK delivery\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"979\" data-end=\"1027\"\u003e⚡ \u003cstrong data-start=\"981\" data-end=\"1027\"\u003eMCR Electric — Built for dependable riding\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"3519\" data-end=\"3522\"\u003e\n\u003ch2 data-start=\"3524\" data-end=\"3537\"\u003e↩️ Returns\u003c\/h2\u003e\n\u003cp data-start=\"3539\" data-end=\"3629\"\u003e🗓 14-Day Return Policy\u003cbr data-start=\"3562\" data-end=\"3565\"\u003e📦 Must be unused \u0026amp; complete\u003cbr data-start=\"3593\" data-end=\"3596\"\u003e💳 Buyer covers return shipping\u003c\/p\u003e\n\u003chr data-start=\"3631\" data-end=\"3634\"\u003e","brand":"MCR_ELECTRIC","offers":[{"title":"26 Inch Kit without Battery","offer_id":53049409896785,"sku":null,"price":199.0,"currency_code":"GBP","in_stock":true},{"title":"26 Inch Kit with 48V 14Ah Samsung Poly Downtube Battery","offer_id":53049409929553,"sku":null,"price":389.0,"currency_code":"GBP","in_stock":true},{"title":"27.5 Inch Kit without Battery","offer_id":53049409962321,"sku":null,"price":199.0,"currency_code":"GBP","in_stock":false},{"title":"27.5 Inch Kit with 48V 14Ah Samsung Poly Downtube Battery","offer_id":53049409995089,"sku":null,"price":389.0,"currency_code":"GBP","in_stock":false},{"title":"29 Inch Kit without Battery","offer_id":53049410027857,"sku":null,"price":199.0,"currency_code":"GBP","in_stock":false},{"title":"29 Inch Kit with 48V 14Ah Samsung Poly Downtube Battery","offer_id":53049410060625,"sku":null,"price":389.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0944\/4550\/2801\/files\/99_40edcc85-f5da-40e2-a3ab-387cd4c399c7.png?v=1772125929","url":"https:\/\/mcrelectric.co.uk\/products\/250w-mtx-cassette-kit","provider":"MCR_ELECTRIC ","version":"1.0","type":"link"}