{"product_id":"brompton-pre-owned-p-line-4-speed-electric","title":"Brompton Pre-Owned P Line 4-Speed Electric Black Metallic","description":"\u003ch2\u003eBrompton Pre-Owned P Line 4-Speed Electric Black Metallic\u003c\/h2\u003e\n\u003cp\u003eIn stock! Ready to ship in 2-5 days.\u003c\/p\u003e\n\u003cp\u003eThis bike was purchased from our shop in 2025. As you can see from the photographs, it is pretty much in new condition, both cosmetically and mechanically. It has only been ridden approximately 110 miles. Comes complete with Brompton Quad-Lock phone mount and Ergon Touring GP1-S grips. All firmware has been updated.\u003c\/p\u003e\n\u003cp\u003eThe 300Wh battery means you can maintain 16mph with ease and fly through the city on your electric bike. It has a range of between 20 and 50 miles from one charge (dependent on user and conditions). Smart sensor technology on the e-bike knows when to assist you.\u003c\/p\u003e\n\u003cp\u003eThe High handlebar provides a markedly more upright riding position – it has the highest grip height of the three options at 1072mm or 42 1\/4″.\u003c\/p\u003e\n\u003cp\u003eThe standard specs for this Brompton are\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-handlebar, standard 4 speed  (163% gear range)\u003c\/li\u003e\n\u003cli\u003eAdvance Rear Rack and curved profile Mudguards \u003c\/li\u003e\n\u003cli\u003eStandard seat post\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eErgon GP1-S grips\u003c\/li\u003e\n\u003cli\u003eContinental Contact Urban tires\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBrompton Wide saddle\u003c\/li\u003e\n\u003cli\u003eBlack Titanium Rear triangle\u003c\/li\u003e\n\u003cli\u003eBrompton Quad-Lock phone mount\u003c\/li\u003e\n\u003cli\u003eColor – Midnight Black Metallic\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-start=\"190\" data-end=\"329\"\u003e\n\u003cp data-start=\"192\" data-end=\"329\"\u003e\u003cstrong data-start=\"192\" data-end=\"222\"\u003eEffortless Electric Assist\u003c\/strong\u003e – Smooth pedal‑assist makes city rides, hills, and longer commutes feel easy without overwhelming power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"330\" data-end=\"464\"\u003e\n\u003cp data-start=\"332\" data-end=\"464\"\u003e\u003cstrong data-start=\"332\" data-end=\"361\"\u003ePractical 4‑Speed Gearing\u003c\/strong\u003e – Simple, intuitive gear range pairs perfectly with the electric drive for confident urban cruising.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"465\" data-end=\"576\"\u003e\n\u003cp data-start=\"467\" data-end=\"576\"\u003e\u003cstrong data-start=\"467\" data-end=\"497\"\u003ePremium P Line Performance\u003c\/strong\u003e – Lighter components and refined build enhance responsiveness and ride feel.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"577\" data-end=\"691\"\u003e\n\u003cp data-start=\"579\" data-end=\"691\"\u003e\u003cstrong data-start=\"579\" data-end=\"610\"\u003eCompact Folding Convenience\u003c\/strong\u003e – Brompton’s iconic fold makes storage, travel, and transit use fast and easy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"692\" data-end=\"797\"\u003e\n\u003cp data-start=\"694\" data-end=\"797\"\u003e\u003cstrong data-start=\"694\" data-end=\"713\"\u003ePre‑Owned Value\u003c\/strong\u003e – Quality‑checked and ready to ride, offering great performance at a smart price.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"798\" data-end=\"969\"\u003e\n\u003cp data-start=\"800\" data-end=\"969\"\u003e\u003cstrong data-start=\"800\" data-end=\"818\"\u003eExpert Verdict\u003c\/strong\u003e – A standout choice for riders who want electric‑assisted convenience, everyday practicality, and Brompton quality in a stylish Black Metallic finish.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp data-start=\"622\" data-end=\"762\"\u003e\u003cstrong data-start=\"622\" data-end=\"663\"\u003eQ: What makes this Brompton electric?\u003c\/strong\u003e\u003cbr data-start=\"663\" data-end=\"666\"\u003eA: It has an \u003cstrong data-start=\"679\" data-end=\"715\"\u003eintegrated electric assist motor\u003c\/strong\u003e for easier pedaling and extended ride range.\u003c\/p\u003e\n\u003cp data-start=\"764\" data-end=\"878\"\u003e\u003cstrong data-start=\"764\" data-end=\"800\"\u003eQ: How many speeds does it have?\u003c\/strong\u003e\u003cbr data-start=\"800\" data-end=\"803\"\u003eA: \u003cstrong data-start=\"806\" data-end=\"828\"\u003e4-speed drivetrain\u003c\/strong\u003e, ideal for urban streets and moderate inclines.\u003c\/p\u003e\n\u003cp data-start=\"880\" data-end=\"1004\"\u003e\u003cstrong data-start=\"880\" data-end=\"910\"\u003eQ: Is this bike pre-owned?\u003c\/strong\u003e\u003cbr data-start=\"910\" data-end=\"913\"\u003eA: Yes, it’s \u003cstrong data-start=\"926\" data-end=\"970\"\u003epre-owned but fully inspected and tested\u003c\/strong\u003e for safe, reliable performance.\u003c\/p\u003e\n\u003cp data-start=\"1006\" data-end=\"1124\"\u003e\u003cstrong data-start=\"1006\" data-end=\"1036\"\u003eQ: Does it fold compactly?\u003c\/strong\u003e\u003cbr data-start=\"1036\" data-end=\"1039\"\u003eA: Yes — keeps \u003cstrong data-start=\"1054\" data-end=\"1090\"\u003eBrompton’s iconic folding system\u003c\/strong\u003e for easy transport and storage.\u003c\/p\u003e\n\u003cp data-start=\"1126\" data-end=\"1274\"\u003e\u003cstrong data-start=\"1126\" data-end=\"1163\"\u003eQ: Who is this bike suitable for?\u003c\/strong\u003e\u003cbr data-start=\"1163\" data-end=\"1166\"\u003eA: Commuters and urban riders looking for a \u003cstrong data-start=\"1210\" data-end=\"1271\"\u003eportable, stylish, electric folding bike at a great value\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"1276\" data-end=\"1352\"\u003e\u003cstrong data-start=\"1276\" data-end=\"1307\"\u003eQ: What color is available?\u003c\/strong\u003e\u003cbr data-start=\"1307\" data-end=\"1310\"\u003eA: \u003cstrong data-start=\"1313\" data-end=\"1331\"\u003eBlack Metallic\u003c\/strong\u003e, sleek and modern.\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-start=\"211\" data-end=\"370\"\u003e\n\u003cp data-start=\"213\" data-end=\"370\"\u003e\u003cstrong data-start=\"213\" data-end=\"235\"\u003eClean After Rides:\u003c\/strong\u003e Wipe frame, wheels, and drivetrain after rides, especially in wet or dusty conditions. Use mild soap and water only; dry thoroughly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"371\" data-end=\"508\"\u003e\n\u003cp data-start=\"373\" data-end=\"508\"\u003e\u003cstrong data-start=\"373\" data-end=\"390\"\u003eBattery Care:\u003c\/strong\u003e Charge according to manufacturer instructions; avoid deep discharge and store in a cool, dry place when not in use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"509\" data-end=\"648\"\u003e\n\u003cp data-start=\"511\" data-end=\"648\"\u003e\u003cstrong data-start=\"511\" data-end=\"534\"\u003eDrivetrain \u0026amp; Gears:\u003c\/strong\u003e Clean and lightly lubricate chain and 4-speed gears regularly for smooth shifting and long-lasting performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"649\" data-end=\"737\"\u003e\n\u003cp data-start=\"651\" data-end=\"737\"\u003e\u003cstrong data-start=\"651\" data-end=\"670\"\u003eTires \u0026amp; Brakes:\u003c\/strong\u003e Maintain proper tire pressure and inspect brake pads frequently.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"738\" data-end=\"868\"\u003e\n\u003cp data-start=\"740\" data-end=\"868\"\u003e\u003cstrong data-start=\"740\" data-end=\"772\"\u003eFolding Hinges \u0026amp; Components:\u003c\/strong\u003e Keep fold joints clean and lightly lubricated; check bolts and cables for tightness and wear.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"869\" data-end=\"964\"\u003e\n\u003cp data-start=\"871\" data-end=\"964\"\u003e\u003cstrong data-start=\"871\" data-end=\"883\"\u003eStorage:\u003c\/strong\u003e Store indoors in a dry place to protect frame finish, battery, and components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brompton","offers":[{"title":"Default Title","offer_id":54162168152348,"sku":null,"price":3750.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/0622\/4924\/files\/IMG_6718.jpg?v=1780124213","url":"https:\/\/www.mybackyardzone.com\/products\/brompton-pre-owned-p-line-4-speed-electric","provider":"Backup Power Made Simple","version":"1.0","type":"link"}