{"product_id":"koa-rev-plus-step-through","title":"Retrospec Koa Rev+ 2 Fat Tire Electric Bike - Step Through - 6003","description":"\u003cp\u003e\u003cstrong\u003e \u003cmeta charset=\"utf-8\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2 class=\"specs-blocks\"\u003eRetrospec Koa Rev+ 2 Fat Tire Electric Bike - Step Through - 6003\u003c\/h2\u003e\n\u003cdiv class=\"specs-blocks\"\u003e\u003cstrong\u003eFrameset\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"specs-blocks\"\u003e\n\u003cul\u003e\n\u003cli\u003eSizes: 16.5\" Step Through;\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMaterial: Alloy, 6061 TIG welded, hydroformed tubing\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDropouts:\u003c\/li\u003e\n\u003cli\u003eDecals:\u003c\/li\u003e\n\u003cli\u003eReplaceable Der Hanger\u003c\/li\u003e\n\u003cli\u003eFork:\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDriveTrain\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDerailleur - Rear: Shimano Altus 8speed\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eShifter: Shimano Rapidfire Plus\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCrankset: 46T w\/double alloy chainguard\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eChain: KMC Z8.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBB: JIS square taper cartridge\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFreewheel\/Cog: Shimano 11-34T\u003cbr\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWheelset\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRims: Alloy 36H for disc brake\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHubs: Alloy bolt on 17mm nut\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSpokes: 13G\/2.3mm w\/brass nipples\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTires: 26 x 4.0, with moto-belt anti-puncture protection\u003cstrong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eComponents\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeadset: Threadless, 1 1\/8\"\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBrakes: Tektro hydraulic with ebike specific 180mm rotors and semi-metalic pads \u003c\/li\u003e\n\u003cli\u003eHandlebars: Alloy 700mm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eGrips: Comfort with alloy lock rings\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStem: Die-Casting alloy; 31.8mm barbore, ext. 60mm +6d, 4-bolt faceplate\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSaddle: SuperSoft MTB\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSeatpost: Alloy; 30.9mm diameter, 400mm length\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSeatpost Clamp: Alloy QR\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePedals: Alloy platform 9\/16\"\u003cbr\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eExtras\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eKickstand: Rear mount, adjustable, aluminum alloy\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLights: Integrated\/system-powered front and rear lights w\/brake function\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFenders: Full coverage front and rear\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTools: 4 pcs: 15mm open\/box, 10mm open\/box, 5\/6mm hex key, cross (Phillips) screwdriver\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWeight - Bike (Assembled w\/battery): 71 lbs\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eClass: Class 2: pedal-assist and\/or throttle-assisted, 20 mph max.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRover Compatible: Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eE-Power System\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMotor: 750W geared\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBattery: 48V 720W LG 21700 cells\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eModes: PAS\/Thumb throttle Left side , cadence sensor\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDisplay: Full color display with 6 levels of assist, anytime throttle and walk mode.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eController: Retrospec 22Amp\u003c\/li\u003e\n\u003cli\u003eCharge Time: Approximately 6hrs\u003c\/li\u003e\n\u003cli\u003eWatt Hours: 720Wh\u003c\/li\u003e\n\u003cli\u003eRange: 720Wh: 50+ Miles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch5 class=\"short-content full\"\u003eWhat our Experts Think  \u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-end=\"130\" data-start=\"27\" data-section-id=\"p58ey1\"\u003ePowerful electric assist system provides strong acceleration for hills, sand, and off-road terrain.\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"236\" data-start=\"131\" data-section-id=\"ov0snv\"\u003eFat tire design improves stability, traction, and control across dirt, gravel, snow, and beach paths.\u003c\/li\u003e\n\u003cli data-end=\"333\" data-start=\"237\" data-section-id=\"x1y8dp\"\u003eStep-through frame makes mounting and dismounting easy, improving accessibility and comfort.\u003c\/li\u003e\n\u003cli data-end=\"430\" data-start=\"334\" data-section-id=\"qan5ef\"\u003eLong-lasting battery supports extended rides for commuting, adventure, and recreational use.\u003c\/li\u003e\n\u003cli data-end=\"520\" data-start=\"431\" data-section-id=\"103xmji\"\u003eMultiple pedal-assist levels let riders balance effort, speed, and range efficiently.\u003c\/li\u003e\n\u003cli data-end=\"598\" data-start=\"521\" data-section-id=\"tklnuu\"\u003eFront suspension enhances comfort by absorbing bumps and uneven surfaces.\u003c\/li\u003e\n\u003cli data-end=\"683\" data-start=\"599\" data-section-id=\"2lgiit\"\u003eUpright riding position promotes control and reduces fatigue on longer journeys.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5 class=\"short-content full\"\u003e \u003cbr\u003eQ\u0026amp;A    \u003c\/h5\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What type of riding is the Retrospec Koa Rev+ 2 Fat Tire Electric Bike best for?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: It’s built for off-road trails, sand, snow, rough terrain, and all-terrain commuting with strong electric pedal assistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What makes the fat tires useful?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: The wide fat tires provide extra traction, stability, and shock absorption for smoother riding on uneven or loose surfaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: Does the Koa Rev+ 2 have pedal assist?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: Yes. It features electric pedal assist that helps reduce effort while climbing hills or riding long distances.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: Is the step-through frame easy to use?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: Yes. The step-through design makes mounting and dismounting easier, especially useful for stop-and-go riding or carrying cargo.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: Is this bike suitable for commuting as well as off-road use?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: Yes. It’s versatile enough for daily commuting while also handling dirt paths, gravel roads, and beach riding.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What kind of motor does it use?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: It uses a rear hub electric motor designed to deliver consistent power for climbing and all-terrain performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: Is the ride comfortable on rough terrain?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: Yes. The combination of fat tires, suspension support (if equipped), and upright geometry helps absorb shocks and improve comfort.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQ: Why choose the Retrospec Koa Rev+ 2 Fat Tire Electric Bike?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: It offers powerful electric assist, a step-through frame, and fat tire stability, making it a strong choice for all-terrain adventure and versatile commuting.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5 class=\"short-content full\"\u003e\n\u003cbr\u003eMaintenance Tips    \u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1jxhijn\" data-start=\"85\" data-end=\"186\"\u003eCheck \u003cstrong data-start=\"93\" data-end=\"121\"\u003efat tire pressure weekly\u003c\/strong\u003e (critical for grip, range, and ride comfort on mixed terrain).\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1u8vj5i\" data-start=\"187\" data-end=\"293\"\u003e\n\u003cstrong data-start=\"189\" data-end=\"229\"\u003eCharge battery properly (48V system)\u003c\/strong\u003e—avoid full depletion and store at 30–80% for longer lifespan.\u003c\/li\u003e\n\u003cli data-section-id=\"9hwq2u\" data-start=\"294\" data-end=\"398\"\u003eClean and lightly lubricate the \u003cstrong data-start=\"328\" data-end=\"352\"\u003edrivetrain regularly\u003c\/strong\u003e, especially after sand, mud, or snow rides.\u003c\/li\u003e\n\u003cli data-section-id=\"1k7qu32\" data-start=\"399\" data-end=\"495\"\u003eInspect and test \u003cstrong data-start=\"418\" data-end=\"443\"\u003ehydraulic disc brakes\u003c\/strong\u003e often; replace pads when braking power decreases.\u003c\/li\u003e\n\u003cli data-section-id=\"lwx8eh\" data-start=\"496\" data-end=\"600\"\u003eTighten \u003cstrong data-start=\"506\" data-end=\"527\"\u003ekey bolts monthly\u003c\/strong\u003e (stem, handlebars, seatpost, rack, axles) due to higher e-bike torque.\u003c\/li\u003e\n\u003cli data-section-id=\"1wylzkd\" data-start=\"601\" data-end=\"705\"\u003eWipe down frame and \u003cstrong data-start=\"623\" data-end=\"658\"\u003estep-through aluminum structure\u003c\/strong\u003e after wet or dusty rides to prevent buildup.\u003c\/li\u003e\n\u003cli data-section-id=\"8y3yab\" data-start=\"706\" data-end=\"803\"\u003eKeep \u003cstrong data-start=\"713\" data-end=\"752\"\u003eelectrical components dry and clean\u003c\/strong\u003e (display, wiring, battery mount, charging port).\u003c\/li\u003e\n\u003cli data-section-id=\"ee4g14\" data-start=\"804\" data-end=\"906\"\u003eCheck tires for punctures, sidewall wear, or embedded debris—fat tires require routine inspection.\u003c\/li\u003e\n\u003cli data-section-id=\"av5hp\" data-start=\"907\" data-end=\"1004\"\u003eMonitor \u003cstrong data-start=\"917\" data-end=\"952\"\u003emotor assist and pedal response\u003c\/strong\u003e for smooth engagement and consistent performance.\u003c\/li\u003e\n\u003cli data-section-id=\"9chkf0\" data-start=\"1005\" data-end=\"1115\"\u003eSchedule a \u003cstrong data-start=\"1018\" data-end=\"1067\"\u003eprofessional e-bike tune-up every 6–12 months\u003c\/strong\u003e for motor, brake, and drivetrain calibration\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Retrospec","offers":[{"title":"Matte Sage \/ 48V\/750W","offer_id":45772345671871,"sku":"6003","price":1499.99,"currency_code":"USD","in_stock":true},{"title":"Matte Shale \/ 48V\/750W","offer_id":45772345704639,"sku":"6004","price":1499.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/KoaRevPlus2STMatteSage_1.jpg?v=1782385599","url":"https:\/\/www.mybackyardzone.com\/products\/koa-rev-plus-step-through","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}