Favoritebikes StormX Fat tire Ebike Costco features a rugged frame, front suspension, and oversized tires for off-road cycling performance.
Rear view of Favoritebikes StormX Fat tire Ebike Costco showing rear rack, wide tires, and powerful motor ideal for outdoor adventures.
Side profile of Favoritebikes StormX Fat tire Ebike Costco highlighting its step-through frame, integrated battery, and fat tires for stability.
Two riders with Favoritebikes StormX Fat tire Ebike Costco on a trail, showcasing its outdoor recreation use and all-terrain capabilities.
Man posing with Favoritebikes StormX Fat tire Ebike Costco on a paved path, emphasizing its stylish design and electric biking features.
Couple riding Favoritebikes StormX Fat tire Ebike Costco on a dirt trail, demonstrating comfort and performance in outdoor cycling.
    Favoritebikes StormX Fat tire Ebike Costco features a rugged frame, front suspension, and oversized tires for off-road cycling performance.
    Rear view of Favoritebikes StormX Fat tire Ebike Costco showing rear rack, wide tires, and powerful motor ideal for outdoor adventures.
    Side profile of Favoritebikes StormX Fat tire Ebike Costco highlighting its step-through frame, integrated battery, and fat tires for stability.
    Two riders with Favoritebikes StormX Fat tire Ebike Costco on a trail, showcasing its outdoor recreation use and all-terrain capabilities.
    Man posing with Favoritebikes StormX Fat tire Ebike Costco on a paved path, emphasizing its stylish design and electric biking features.
    Couple riding Favoritebikes StormX Fat tire Ebike Costco on a dirt trail, demonstrating comfort and performance in outdoor cycling.
    Favoritebikes StormX Fat tire Ebike Costco
    Favoritebikes StormX Fat tire Ebike Costco
    Favoritebikes StormX Fat tire Ebike Costco
    $2,971.00
    $3,677.00

    StormX — Bigger Battery, Stronger Motor—Power Where It Counts

    Buy Now on Costco.ca
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    Shop the Best Fat Tire Ebike Costco Canada
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    All-in-one Ebike, featuring everything you expect and more.

    StormX: Redefining Fat-Tire E-Bike Performance Unleash pure innovation with StormX, FavoriteBikes’ ultimate fat-tire ebike engineered to dominate any landscape—from snowy backroads to sandy beaches. Combining advanced tech, rugged engineering, and premium components, StormX is the go-to choice for adventure seekers, cargo haulers, hunters, and commuters who want the best Costco...
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    Safety Certified In accordance with UL 2849 and more

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    2-Year Complimentary Warranty

    Complete peace of mind
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    8-YEAR PARTS AVAILABILITY

    Long-term support
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    FREE AND FAST SHIPPING

    Quick delivery to you
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    14-DAY RISK-FREE TEST RIDE

    Try before you buy
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    SUPPORT ACROSS THE NATION

    Wide-ranging support

    Specs Summary

    20 Ah UL‑Certified Battery + High‑Torque Motor
    StormX’s massive 20 Ah pack and purpose‑tuned motor unleash class‑leading range and instant torque—perfect for steep climbs, deep sand, or snow‑packed trails.

    Favorite Smart System & App Control
    Full‑color LCD shows speed, range, and diagnostics, while the Favorite App lets you unlock, navigate, and fine‑tune performance right from your phone. Adaptive 1 600‑lumen Cree headlight and Smart Lock come standard.

    Trail‑Ready Fat Tires & Custom Suspension
    Oversize 4‑inch tires paired with an e‑bike‑rated hydraulic fork smooth out ruts, rocks, and potholes, giving you confident traction on any surface.

    Heavy‑Duty Integrated Rear Rack
    A welded, flex‑free rack with multiple mount points hauls groceries, gear, or game without the wobble of bolt‑on alternatives.

    Premium Components, Built to Last
    8‑speed drivetrain, powerful hydraulic disc brakes, and rugged alloy construction deliver silky shifts, reliable stopping power, and long‑term durability.

    Endless Accessory Ecosystem
    Outfit StormX with panniers, cargo baskets, hunting kits, or commuter lights—everything you need to turn it into the ultimate adventure, workhorse, or daily‑ride machine.

    Designed in Canada by Costco product experts and the FavoriteBikes engineering team, the StormX is the ultimate fat‑tire e‑bike for riders who demand more. A high‑torque 500 W hub motor powers through sand, snow, and steep hills, while a UL‑certified ≈ 20 Ah (917 Wh) battery delivers up to 80 miles / 125 km of range. Ride with confidence thanks to hydraulic disc brakes, a custom‑tuned suspension fork for 26 × 4 in tires, and an adaptive 1 600‑lumen LED headlight with brake‑activated rear light. The Favorite Smart System adds a full‑color display, RFID/Bluetooth unlocking, turn‑by‑turn navigation, and OTA firmware updates—all backed by a 2‑year warranty and 8‑year parts support availability.

    Ebike Specifications

    Electronics:


    Motor : 48V/500W (1200W) Peak Favorite Smart System hub brushless motor with high torque for fat-tire bikes and built-in temperature sensor.

    Sensor: 1 Cadence sensor with commuting and off-road riding mode 2 Dusk to dawn sensors

    Display : Favorite Patented Smart System with built-in LG premium color LCD

    RFID Control : Wireless entry system via RFID

    Bluetooth Control : BQB certified Bluetooth connection

    APP : Remote entry access. Configure bikes

    Battery : Removable UL-certified 48V, ≈20Ah ( 917 Wh) lithium-ion battery with UL-certified 5000mAh cells., up to 80 miles ( 125 km) range.

    Controller : 48V 22A rated sine-wave, with off-road/commuting switch

    Anti-Theft System : Ebike System enabled with passcode, Bluetooth, or RFID key access.

    Front LED : Favorite smart headlight featuring Cree or Osram LEDs (Max 1600 lumens) integrated into the stem system, with a switchable high and low beam

    Bike Components:


    Frame : 6061 Aluminum with E-bike enhanced strength, seamless welding

    Front Fork : Heavy-duty hydraulic suspension, adjustable with lockout.

    Crankset : 46T Prowheel alloy chainring

    Chain : KMC Z8.3 8-speed chain

    Derailleur : LTWOO RD-V4008-M, 8-speed (or equivalent high-spec option).

    Cassette : LTWOO 8-speed 11-32T

    Shifters : LTWOO SL-V4008-8W 8-speed shifter (or equivalent high-spec option).

    Tires : Fat-tire Ebike heavy-duty skewer.

    Seat Post : Promax OD: 30.9mm* L: 350mm

    Saddle : Knus DS-2626 plush gel or equivalent to 

    Brakes : Hydraulic disc brake LBN LB-893, with electric cut-off sensor

    Front Axle : Fat-tire Ebike heavy-duty skewer.

    Accessories:


    Fenders : Front fender and pre-assembled aluminum rear fender

    Rear Rack : Welded rear rack

    Rear Light : Integrated rear light controlled by Favorite display

    Rack Bag : Not Inlcuded

    Specifications:


    Weight : 38.96 kg (85.9 lb)

    Dimensions (L × W × H) : 180 cm × 66 cm × 111 cm (71 in × 26 in × 44 in)

    Configurable Assist Levels : 1-3, 1-5, or 1-9

    Max Torque: 60 Nm

    Water Resistance: IPX4 Rating ( You can ride in the rain)

    What's Included:

    • Favorite StormX Fat Tire Ebike
    • Favorite Display
    • Charger
    • Battery Key
    • RFID Fob
    • Manual
    • Pedals
    • Y-Wrench
    • Allen Wrench
    • 15mm Wrench
    • Spoke Reflector
    • Front and Rear Reflectors
    Favorite StormX Fat Tire Ebike Manual

    Please download the manual corresponding to your bike. Familiarize yourself with the operation of your bike and the Favorite Smart Display.

    Manual: Favorite StormX Fat Tire French

    Manual: Favorite StormX Fat Tire English

    Assemble Video: Favoritebikes StormX Fat Tire Ebike

    All‑Terrain 

    Powerhouse

    STORMXISOVIEW
    STORMXDISPLAY

    FAVORITE DISPLAY

    The Favorite Smart System revolutionizes your e-bike journey with an LG color LCD and intuitive controls. You can easily monitor distance, plan routes with the Favorite navigation app, and activate wireless entry using RFID and Bluetooth, all from your iOS/Android app or the Favorite display. This offers a seamless and enhanced biking experience.
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    INTELLIGENT LOCK

    Go further on every ride. The ultra-capacity 917Wh battery gives you extended range for all-day adventures—no range anxiety, just freedom.
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    SMART HEADLIGHT

    Experience enhanced safety with our Favorite Bike's smart headlight. Embedded in the handlebar, this 1600-lumen Cree LED headlight adjusts to ambient light, turning on in low light and off in bright conditions. Choose between high and low beams for tailored illumination. With the Favorite headlight, ride confidently, knowing you're secure.
    STORMXFRONTSUSPENSION

    HYDRAULIC FAT TIRE SUSPENSION

    The heavy-duty front suspension is built to handle bumps, drops, and rough roads—delivering a smoother, more controlled ride wherever you go.
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    8-SPEED SHIFTER& DRIVETRAIN

    Easily switch gears to match any terrain. The 8-speed system gives you smooth, reliable shifting for climbs, cruising, and everything in between.
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    INTEGRATED BRAKE LIGHT ON REAR RACK

    Seamlessly built into the frame, the heavy-duty rear rack is strong enough for cargo or a passenger—perfect for carrying gear or riding two-up in style.
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    FAVORITE'S UL-CERTIFIED FAT TIRE MOTOR

    Unleash instant torque and trail-crushing power. Specially tuned for wide 4-inch tires, this high-output motor rockets up steep climbs and charges through sand, snow, and mud without breaking a sweat—delivering the exhilarating ride every adventure demands.
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    HYDRAULIC DISC BRAKE

    The Hydraulic Disc Brake System is designed to provide high-performance braking for various MTB riding styles. Includes the brake lever and disc brake caliper.
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    26" x 4" FAT TIRE

    Tackle any terrain with confidence. These extra-wide tires grip through sand, snow, and rocky trails—built for adventure wherever the road ends.
    STORMXISOVIEW
    STORMXDISPLAY

    FAVORITE DISPLAY

    The Favorite Smart System revolutionizes your e-bike journey with an LG color LCD and intuitive controls. You can easily monitor distance, plan routes with the Favorite navigation app, and activate wireless entry using RFID and Bluetooth, all from your iOS/Android app or the Favorite display. This offers a seamless and enhanced biking experience.
    SOTRMX_FRONT_BATTERY

    MASSIVE 20Ah BATTERY

    Go further on every ride. The ultra-capacity 917Wh battery gives you extended range for all-day adventures—no range anxiety, just freedom.
    SOTRMXFRONTLIGHT

    SMART HEADLIGHT

    Experience enhanced safety with our Favorite Bike's smart headlight. Embedded in the handlebar, this 1600-lumen Cree LED headlight adjusts to ambient light, turning on in low light and off in bright conditions. Choose between high and low beams for tailored illumination. With the Favorite headlight, ride confidently, knowing you're secure.
    STORMXFRONTSUSPENSION

    HYDRAULIC FAT TIRE SUSPENSION

    The heavy-duty front suspension is built to handle bumps, drops, and rough roads—delivering a smoother, more controlled ride wherever you go.
    STOMXBRAKEANDSHIFTER

    8-SPEED SHIFTER& DRIVETRAIN

    Easily switch gears to match any terrain. The 8-speed system gives you smooth, reliable shifting for climbs, cruising, and everything in between.
    STORMXSADDLEANDREARRACK

    INTEGRATED BRAKE LIGHT ON REAR RACK

    Seamlessly built into the frame, the heavy-duty rear rack is strong enough for cargo or a passenger—perfect for carrying gear or riding two-up in style.
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    FAVORITE'S UL-CERTIFIED FAT TIRE MOTOR

    Unleash instant torque and trail-crushing power. Specially tuned for wide 4-inch tires, this high-output motor rockets up steep climbs and charges through sand, snow, and mud without breaking a sweat—delivering the exhilarating ride every adventure demands.
    STORMX_26_4_Fat_Tire

    26" x 4" FAT TIRE

    Tackle any terrain with confidence. These extra-wide tires grip through sand, snow, and rocky trails—built for adventure wherever the road ends.
    STORMXFRONTBRAKE

    HYDRAULIC DISC BRAKE

    The Hydraulic Disc Brake System is designed to provide high-performance braking for various MTB riding styles. Includes the brake lever and disc brake caliper.

    Meet the FavoriteBikes StormX—a rugged fat‑tire e‑bike powered by a high‑torque motor and an extra‑capacity battery for all‑day range. Glide through weekday commutes in efficiency mode, then tap into full‑power adventure mode for weekend trails. Wherever you ride, StormX delivers unstoppable traction, long‑lasting energy, and pure riding fun.

    FAVORITEBIKES

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    DUAL MODE

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    OFF ROADING

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    POWERFULL

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    SMART HEADLIGHT & REAR 
    LIGHT  SYSTEM

    Ride safely day or night with the Favorite bike’s advanced lighting system. The integrated 1600-lumen Cree LED headlight, built into the handlebar, features a dusk-to-dawn sensor for automatic brightness adjustment based on ambient light. Switch between high and low beams for optimal visibility. The integrated rear light, equipped with a brake light function, activates automatically when braking, enhancing visibility and safety in all conditions.
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    REMOVABLE ≈20AH 
    BATTERY

    Experience the thrill of endless adventures with a massive ≈20Ah 48V removable battery, delivering an empowering sense of huge capacity for ultra-long rides. Easily swap or charge off-bike for ultimate convenience, achieving up to 80+ miles ( 125 km) per charge based on terrain and mode. Feel the freedom of extended power with efficient energy management and rapid recharges.

    FAVORITE DISPLAY & 
    APP

    The Favorite Smart System enhances your e-bike with an LG color LCD for easy control, distance tracking, and route mapping. Use RFID or Bluetooth for wireless access via the Favorite display or app. The app provides full dashboard control, including light brightness, riding modes, assistance levels, and turn-by-turn navigation. Stay updated with seamless Over-The-Air (OTA) firmware updates. Unlock your bike’s full potential with the Favorite app!
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    FAVORITE EXTREME TORQUE MOTOR & FAT 
    TIRE SUSPENSION 

    Power through any terrain with the extreme torque motor, delivering up to 80Nm for superior hill-climbing and acceleration. Paired with advanced fat tire suspension (4-inch+ tires,60mm travel front), it ensures unmatched traction, stability, and a smooth ride on rugged trails or urban streets.