{"product_id":"hkm-1529043-retro-fat-tire-e-bike-dual-2000w-48v-26ah-20-inch","title":"HKM-1529043 Retro Fat Tire E-Bike Runs Dual 2000W Hubs on 20 x 4.5 Tires With a 1248Wh Pack and Disc Brakes Front and Rear","description":"\u003cdiv class=\"hkm-pdp\"\u003e\n\n\u003cstyle\u003e\n@import url('https:\/\/fonts.googleapis.com\/css2?family=Roboto:wght@400;500;700\u0026display=swap');\n.hkm-pdp{\n  --hkm-ink:#0e0e0e; --hkm-body:#636363; --hkm-muted:#6e6e6e; --hkm-line:#e1e1e1;\n  --hkm-panel:#f0f0f0; --hkm-blue:#0672cb; --hkm-link:#00468b;\n  max-width:1292px; width:100%; min-width:0; margin:0 auto; padding:0 2px;\n  font-family:\"Roboto\",\"Helvetica Neue\",Helvetica,Arial,sans-serif;\n  font-size:16px; line-height:1.7; color:var(--hkm-body); font-weight:400;\n  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility; overflow-wrap:break-word;\n}\n.hkm-pdp *{box-sizing:border-box}\n.hkm-pdp .hkm-eyebrow{\n  font-size:11px; font-weight:400; letter-spacing:.08em; text-transform:uppercase;\n  color:var(--hkm-blue); 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Twenty-inch 4.5 knobbys, full suspension, disc brakes at both ends, a seven-speed drivetrain and a bench seat over the rear wheel. It is listed at 34 mph with a 331 lb load rating, and it is the two-motor version rather than a single hub pretending to be one. The tank carries the battery, the bench sits on two exposed springs and the frame panel leaves the controller where air can reach it.\u003c\/p\u003e\n\n\u003cp\u003eThe shape is a motorcycle silhouette rather than a bicycle one: a teardrop tank between the bars and the seat, a bench that floats over the rear wheel on a pair of springs, a crate-style panel filling the frame triangle and a round headlamp on the fork crown. It comes in blue and in yellow, both over a black frame, and the tank is the only painted part of the bike.\u003c\/p\u003e\n\n\u003cp\u003eTwo motors change how it rides. Power goes to the front wheel as well as the rear, which is what pulls a bike this heavy through sand and up a loose slope without the rear spinning. It also means two controllers and two cables to check, and it is the reason the battery is 26Ah rather than the 15 or 20Ah a single motor would need.\u003c\/p\u003e\n\n\u003ch2\u003eAt a Glance\u003c\/h2\u003e\n\n\u003cul class=\"hkm-glance\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual 2000W Hubs\u003c\/strong\u003e — One motor in each wheel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e48V 26Ah Pack\u003c\/strong\u003e — 1248Wh in the tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e34 mph Top Speed\u003c\/strong\u003e — Listed figure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e37 Miles\u003c\/strong\u003e — Listed range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20 x 4.5 Tires\u003c\/strong\u003e — Wider casing than a 4.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Suspension\u003c\/strong\u003e — Fork up front, twin springs rear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisc Brakes\u003c\/strong\u003e — Front and rear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7-Speed Drivetrain\u003c\/strong\u003e — Derailleur at the rear wheel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e331 lb Load\u003c\/strong\u003e — 150 kg rating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRetro Tank\u003c\/strong\u003e — Painted tank over a black frame\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBench Seat\u003c\/strong\u003e — Sprung, over the rear wheel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo Colours\u003c\/strong\u003e — Blue or yellow over black\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRetro Tank and Four Point Five Tires\u003c\/h2\u003e\n\n\u003cp\u003eThe frame is black with a teardrop tank bolted between the bars and the seat, a bench that sits on two exposed springs over the rear wheel and a panel in the frame triangle that carries the controller and the wiring. The tank is painted, everything else is satin black, and the round headlamp is mounted on the fork crown rather than the bars.\u003c\/p\u003e\n\n\u003cp\u003eThe wheels are 20 x 4.5 knobbys, half an inch wider than the 4.0 casing most fat bikes use, on spoked rims. The extra width is what makes a bike this heavy float in sand instead of digging in, and it is also why the steering feels slower than a 4.0 bike at low speed. Run them at 15 psi on pavement and 8 on sand.\u003c\/p\u003e\n\n\u003cp\u003eSuspension is a telescopic fork up front and a pair of coil springs under the bench at the rear, which is a simpler arrangement than a linkage and easier to live with: you can see the springs, you can change the preload with a spanner, and there is nothing hidden to seize. Disc brakes at both ends do the stopping.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eFrame: black, retro tank over the top tube\u003c\/li\u003e\n\u003cli\u003eMotors: two 2000W hubs, front and rear\u003c\/li\u003e\n\u003cli\u003eBattery: 48V 26Ah, in the tank\u003c\/li\u003e\n\u003cli\u003eWheels: 20 in spoked, 4.5 knobby\u003c\/li\u003e\n\u003cli\u003eRear: twin coil springs under the bench\u003c\/li\u003e\n\u003cli\u003eBrakes: disc, front and rear\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFitted as shipped: the round headlamp, front and rear fenders, the sprung bench, a kickstand and the pedals. The bars carry the throttle, the assist switch and the brake levers, and the frame panel carries the charge port and the controller where air can reach it.\u003c\/p\u003e\n\n\u003ch2\u003eTwo Hubs and 1248Wh\u003c\/h2\u003e\n\n\u003cp\u003eEach wheel has its own 2000W hub motor, so the bike is effectively all-wheel drive. That is not a marketing line: on loose ground the front motor pulls while the rear pushes, and the bike tracks straight where a rear-drive fat bike would step out. The trade is weight and complexity, and two controllers to keep dry.\u003c\/p\u003e\n\n\u003cp\u003eThe pack is 48V 26Ah, 1248Wh, and it is the largest battery in this group by some margin. It lives in the tank, which keeps it high but central, and the listed range is 37 miles. That figure assumes mixed assist; running both motors hard on sand will cut it, and the practical number to plan a ride around is 25 to 30.\u003c\/p\u003e\n\n\u003cp\u003eTop speed is listed at 34 mph, which is a both-motors figure on flat ground. The load rating is 331 lb, or 150 kg, and that matters here: a dual-motor bike with a 26Ah pack is heavy before you put a rider on it, so the rating is part of the specification rather than a footnote.\u003c\/p\u003e\n\n\n\n\u003ch2\u003eWho It Fits and How It Rides\u003c\/h2\u003e\n\n\u003cp\u003eThe bench sits low and long, and the bars are high, so it suits riders from about 5 ft 5 in to 6 ft 3 in. The step-over height is the thing to check, because the tank sits where your knee wants to go when you mount. The 331 lb rating covers a heavy adult with a pack, and the sprung bench is more comfortable than a fixed one on a rough track.\u003c\/p\u003e\n\n\u003cp\u003eOn sand and loose gravel the dual motors are the difference between riding and pushing, and the 4.5 casing floats. On pavement it is a heavy, slow-steering bike that hums, and 34 mph on knobbys is more than you want in traffic. It is at its best on a beach, a fire road or a farm track, and it is a lot of machine to lift onto a rack.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eSand, gravel and fire roads\u003c\/li\u003e\n\u003cli\u003eBeach and campground riding\u003c\/li\u003e\n\u003cli\u003eTwo-up at low speed on private ground\u003c\/li\u003e\n\u003cli\u003eNot for traffic, stairs or a roof rack\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\n\u003cdiv class=\"hkm-tablewrap\"\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBike\u003c\/td\u003e\n\u003ctd\u003eAssembled frame, two hubs, 48V 26Ah pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery\u003c\/td\u003e\n\u003ctd\u003e48V 26Ah 1248Wh, in the tank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharger\u003c\/td\u003e\n\u003ctd\u003e48V charger with a US plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTools\u003c\/td\u003e\n\u003ctd\u003eHex keys and a spanner for the axles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePedals\u003c\/td\u003e\n\u003ctd\u003ePlatform pair, left side reverse-threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFenders\u003c\/td\u003e\n\u003ctd\u003eFront and rear, fitted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight\u003c\/td\u003e\n\u003ctd\u003eRound headlamp on the fork crown\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKeys\u003c\/td\u003e\n\u003ctd\u003eTwo battery keys\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManual\u003c\/td\u003e\n\u003ctd\u003eAssembly guide and registration card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStand\u003c\/td\u003e\n\u003ctd\u003eSide stand, frame mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003c\/div\u003e\n\n\u003cp class=\"hkm-note\"\u003eBefore the first ride: fit the front wheel and torque the axle, check both motor cables are seated, set the rear spring preload for your weight, bed the disc brakes in with ten firm stops and charge the pack. Budget 45 to 70 minutes, and check the spokes and both axles after the first ten miles.\u003c\/p\u003e\n\n\u003ch2\u003eColor and Finish\u003c\/h2\u003e\n\n\u003cp\u003eTwo colourways, both over a satin black frame: a deep blue tank and a bright yellow one, with black fenders, bench and rims in either case. The tank is the only gloss surface on the bike, and the crate-style panel in the frame triangle is left bare so the controller and wiring are visible.\u003c\/p\u003e\n\n\u003cp\u003eTouch-up paint is available for both tank colours. The wear points are the tank edges where a knee rubs, the bench cover and the frame panel where a boot scuffs it.\u003c\/p\u003e\n\n\u003ch2\u003eBattery Care and Maintenance\u003c\/h2\u003e\n\n\u003cp\u003eCharge between 20 and 90 percent for everyday use and take it to full about once a month. A 1248Wh pack is a big battery: expect a long charge, and plug it in when you get back rather than the morning you ride. Keep the charge port dry and the bike above freezing while charging, and store it around half charge if it will sit for a month.\u003c\/p\u003e\n\n\u003cp\u003eTwo motors mean two sets of cables to check: look at the connectors at each hub after a wet ride and make sure the seals are seated. Check the spokes and both axle nuts after the first 50 miles, check the disc pads monthly, and keep the chain oiled so the seven gears shift. Wipe the fork stanchions so grit stays out of the seals.\u003c\/p\u003e\n\n\n\n\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\n\u003cdiv class=\"hkm-tablewrap\"\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eHKM-1529043\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eDual motor fat tire electric bike\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotors\u003c\/td\u003e\n\u003ctd\u003eTwo 2000W hubs, front and rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop speed\u003c\/td\u003e\n\u003ctd\u003e34 mph, listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery\u003c\/td\u003e\n\u003ctd\u003e48V 26Ah lithium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery capacity\u003c\/td\u003e\n\u003ctd\u003e1248Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003e37 miles, listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrivetrain\u003c\/td\u003e\n\u003ctd\u003e7-speed derailleur\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrakes\u003c\/td\u003e\n\u003ctd\u003eDisc, front and rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFork\u003c\/td\u003e\n\u003ctd\u003eTelescopic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear suspension\u003c\/td\u003e\n\u003ctd\u003eTwin coil springs under the bench\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTires\u003c\/td\u003e\n\u003ctd\u003e20 x 4.5 knobby\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheels\u003c\/td\u003e\n\u003ctd\u003eSpoked, 20 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame\u003c\/td\u003e\n\u003ctd\u003eBlack, retro tank over the top tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat\u003c\/td\u003e\n\u003ctd\u003eSprung bench, long\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad capacity\u003c\/td\u003e\n\u003ctd\u003e331 lb, 150 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRider height\u003c\/td\u003e\n\u003ctd\u003e5 ft 5 in to 6 ft 3 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColours\u003c\/td\u003e\n\u003ctd\u003eBlue or yellow over black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLighting\u003c\/td\u003e\n\u003ctd\u003eRound headlamp on the fork crown\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFenders\u003c\/td\u003e\n\u003ctd\u003eFront and rear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePedals\u003c\/td\u003e\n\u003ctd\u003ePlatform pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStand\u003c\/td\u003e\n\u003ctd\u003eSide stand\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharger\u003c\/td\u003e\n\u003ctd\u003e48V, US plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAssembly\u003c\/td\u003e\n\u003ctd\u003eFront wheel, cables, preload, charge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUse case\u003c\/td\u003e\n\u003ctd\u003eSand, gravel, fire roads, beach\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eUL listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003c\/div\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdiv class=\"hkm-q\"\u003e\n\u003ch3\u003eWhy two motors?\u003c\/h3\u003e\n\u003cp\u003eOne hub in each wheel gives the bike all-wheel drive, which is what pulls it through sand and up a loose slope without the rear spinning. It also means two controllers and two cable runs to check, and a bigger battery: 1248Wh here against 960Wh on a single-motor bike of the same size.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hkm-q\"\u003e\n\u003ch3\u003eHow far does it go on a charge?\u003c\/h3\u003e\n\u003cp\u003e37 miles is the listed range from the 1248Wh pack, on mixed assist. Running both motors hard on sand cuts that to 25 to 30 miles, so plan a loop on the lower number. A pack this size takes a long charge, so plug it in when you get back.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hkm-q\"\u003e\n\u003ch3\u003eHow fast is it?\u003c\/h3\u003e\n\u003cp\u003e34 mph is the listed top speed, which is a both-motors figure on flat ground. On 20 x 4.5 knobbys that is more than you want in traffic, and it is not legal on most paths. Treat it as a private-ground and beach bike and check local rules before you ride it anywhere public.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hkm-q\"\u003e\n\u003ch3\u003eWhat is the load rating?\u003c\/h3\u003e\n\u003cp\u003e331 lb, or 150 kg. That is higher than most fat bikes here because the frame and the twin rear springs are built for it, and it is worth checking if you are a heavy rider or plan to carry a pack. The bike is heavy itself, so the rating is part of the specification.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hkm-q\"\u003e\n\u003ch3\u003eWho is it sized for?\u003c\/h3\u003e\n\u003cp\u003eRiders from about 5 ft 5 in to 6 ft 3 in on a low sprung bench. Check the step-over height when you mount, because the tank sits where your knee goes. The long bench lets you slide back for a climb, and the bars sit high for an upright position.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hkm-q\"\u003e\n\u003ch3\u003eWhat does assembly involve?\u003c\/h3\u003e\n\u003cp\u003eFit the front wheel and torque the axle, check both motor cables are fully seated, set the rear spring preload for your weight, bed the disc brakes in with ten firm stops and charge the pack. Budget 45 to 70 minutes, then check the spokes and both axles after ten miles.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eService and Policies\u003c\/h2\u003e\n\n\u003cp\u003eCoverage that lasts beyond the box. Orders ship free with a tracking number in 2 to 5 business days. From delivery, the product is protected for 180 days against manufacturing defects and transit damage, returnable within 30 days for a full refund, and covered by a 24-month parts-and-labor warranty on manufacturing defects. Four policies, one idea: ship it free, protect it for 180 days, take it back for 30, and stand behind it for two years.\u003c\/p\u003e\n\n\u003cdiv class=\"hkm-policy-grid\"\u003e\n\u003cdiv class=\"hkm-policy-card\"\u003e\n\u003ch3\u003eFree Shipping on All Orders\u003c\/h3\u003e\n\u003cp\u003eEvery order ships free. Handling Time: 0-1 business days (Monday to Friday). Transit Time: 2-5 business days (Monday to Friday). A tracking number is emailed as soon as the parcel leaves our warehouse.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hkm-policy-card\"\u003e\n\u003ch3\u003e180 Days Purchase Protection\u003c\/h3\u003e\n\u003cp\u003eYour purchase is protected for 180 days from the delivery date against manufacturing defects and damage in transit. If something arrives wrong, we make it right.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hkm-policy-card\"\u003e\n\u003ch3\u003e30 Days Money-Back Guarantee\u003c\/h3\u003e\n\u003cp\u003eNot completely satisfied? Request a return within 30 days of delivery for a full refund. We keep the process simple and hassle-free.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hkm-policy-card\"\u003e\n\u003ch3\u003e24 Months Warranty Service\u003c\/h3\u003e\n\u003cp\u003eThe product is covered by a 24-month warranty from the delivery date against manufacturing defects. Coverage includes parts and labor; normal-wear items are excluded.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cp class=\"hkm-close\"\u003eHKM-1529043 · dual motor retro fat tire electric bike · two 2000W hubs, one in each wheel · 48V 26Ah 1248Wh pack in the tank · 37 miles listed range · 34 mph top speed · disc brakes front and rear · telescopic fork with twin coil springs under the sprung bench · 20 x 4.5 knobby tires on spoked rims · 7-speed drivetrain · 331 lb load rating, 150 kg · retro painted tank in blue or yellow over a satin black frame · round headlamp, fenders and a frame-panel controller · sized 5 ft 5 in to 6 ft 3 in · charger in the box · UL listed · built for sand, gravel and fire roads rather than traffic · two controllers, two cable runs and two hub connectors to check after a wet ride · charger in the box\u003c\/p\u003e\n\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"Product\", \"name\": \"HKM-1529043 Retro Fat Tire E-Bike Runs Dual 2000W Hubs on 20 x 4.5 Tires With a 1248Wh Pack and Disc Brakes Front and Rear\", \"sku\": \"HKM-1529043\", \"mpn\": \"Hekomart-HKM-1529043\", \"brand\": {\"@type\": \"Brand\", \"name\": \"Hekomart\"}, \"description\": \"A retro tank-style fat bike with two 2000W hub motors, one in each wheel, and a 48V 26Ah pack worth 1248Wh where the fuel tank would be. 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