Showing 1–12 of 18 results

fficial Happyrun G100 Replacement Top Battery – High-Capacity Lithium-Ion Power Cell

Original price was: $459.00.Current price is: $400.00.

Restore your range. Unleash your motor's true potential. Whether you are replacing a well-traveled power core or doubling your mileage with a dedicated backup cell, the Official Happyrun G100 Top Battery Replacement delivers uncompromising performance. Engineered with premium lithium-ion cells and managed by an advanced, intelligent safety circuit, this direct factory replacement slides right into your G100's upper frame mount—bringing back the snappy acceleration and marathon range your ride had on day one.

Happyrun HD Blast-Resistant Shatterproof Rearview Mirrors for Electric Bikes

Original price was: $65.90.Current price is: $53.90.

Defend your blind spot with absolute clarity. Engineered specifically to handle the high speeds and heavy road vibrations of modern electric bikes, the Happyrun HD Blast-Resistant Mirrors provide a crystal-clear, distortion-free view of the traffic behind you. Forged from automotive-grade shatterproof safety glass and mounted on an ultra-stable, vibration-dampening alloy chassis, these premium rearview mirrors ensure you can split lanes and change routes with absolute confidence.

Happyrun Tank G60 Series Heavy-Duty Structural Steel Rear Cargo Rack

Original price was: $99.00.Current price is: $79.00.

Unlock the hauling power of your scrambler. Transform your electric cruiser into a high-capacity utility machine with the official Happyrun Tank G60 Rear Cargo Rack. Custom-engineered to bolt directly onto the robust frame rails of the Tank G60 and G60 Pro, this structural steel rack provides an unyielding, rock-solid platform for delivery bags, heavy cargo crates, or weekend camping gear—making your daily commutes and utility runs completely effortless.

Official Engwe Engine Pro Replacement Internal Lithium-Ion Battery Pack

Original price was: $399.00.Current price is: $350.00.

Double your adventure mileage. Eliminate range anxiety completely. Keep your high-power folder moving without limits with the Official Engwe Engine Pro Replacement Battery. Custom-engineered with premium high-density lithium cells and managed by an intelligent multi-stage safety brain, this hidden frame pack slides flawlessly into your Engine series down-tube dock. Whether you are replacing an old power plant or packing a hot-swappable reserve for marathon trail loops, this factory pack ensures unyielding throttle acceleration from sunrise to sunset.

Official Happyrun G100 Rear LED Taillight & Reactive Brake Safety Light Assembly

Original price was: $49.00.Current price is: $39.00.

Command attention. Claim your lane. Ride safely at night. Restore absolute rear visibility with the Official Happyrun G100 LED Taillight. Custom-engineered as a direct factory swap for the flagship G100 electric motorcycle chassis, this intelligent rear lighting array combines a high-visibility running light with a smart, high-brightness reactive braking signal. The moment you squeeze your brake levers, the display intensely flashes to alert trailing motorists—keeping you completely shielded and visible in any environment.

Official Happyrun G100 Replacement 2000W High-Torque Brushless Rear Hub Motor

Original price was: $299.00.Current price is: $249.00.

Bring back that day-one arm-stretching torque. Whether you are replacing a high-mileage power plant or performing a complete mechanical rebuild, the Official Happyrun G100 2000W Rear Hub Motor delivers unyielding performance. Custom-engineered as a direct factory drop-in for the flagship G100 electric motorcycle chassis, this heavy-duty, brushless hub motor serves up blistering acceleration, high top-speed efficiency, and deep low-end torque to conquer the steepest hills and roughest off-road trails.

Official Happyrun Heavy-Duty Electric Bicycle Front Wheel Hub – High-Load Smooth Rolling Axle Core

Original price was: $219.00.Current price is: $191.00.

Engineered for heavy payloads and ultra-smooth tracking. Restore original steering precision and roll efficiency with the Official Happyrun Electric Bike Front Wheel Hub. Built strictly to match the rugged structural needs of heavy fat-tire scramblers and electric mountain bikes, this non-motorized front hub features low-friction sealed bearings and a reinforced aluminum shell. It ensures maximum rotational speed and unyielding durability across rough gravel trails and potholed pavement.

Official Happyrun High-Output LED Front Headlight – Integrated Safety Illumination Accessory

Original price was: $79.00.Current price is: $59.00.

Pierce through the darkness with absolute confidence. Restore massive visibility and night-riding safety with the Official HappyRun Front Light E-Bike Accessories. Custom-engineered as a direct factory drop-in for your electric mountain bike or scrambler chassis, this high-brightness LED headlight throws a powerful, wide-angle beam down the road. Featuring a rugged, weather-sealed casing and an integrated internal horn cluster, it ensures you can see the path ahead and alert surrounding traffic instantly in any environment.

Official Happyrun Replacement E-Bike Brake Lever with Integrated Electronic Motor-Cutoff Sensor

Original price was: $47.00.Current price is: $37.00.

Responsive stopping power backed by instant electronic safety. Restore absolute braking confidence and crisp stopping response with the Official Happyrun Brake Lever Replacement. Engineered strictly to handle the high speeds and heavy payloads of modern electric bikes, this heavy-duty aluminum lever features an integrated electronic motor-cutoff switch. The moment you pull the lever, it instantly kills motor power—preventing accidental acceleration and dramatically shortening your stopping distances.

Official Happyrun Smart Brushless Motor Controller – Core Electronic Power Distribution Unit

Original price was: $129.00.Current price is: $99.00.

The ultimate command center for your electric machine. Restore lightning-fast throttle response and smooth pedal-assist transition with the Official Happyrun E-Bike Motor Controller. Engineered to serve as the intelligent "brain" of your e-bike, this high-efficiency controller seamlessly regulates massive power transfer between your high-capacity lithium battery matrix and high-output hub motor—ensuring maximum energy efficiency and absolute electronic reliability.

Official Happyrun Tank G300 Pro Replacement LCD Digital Dashboard Display Screen (Copy)

Original price was: $99.90.Current price is: $89.90.

Your ride metrics, crystal clear at a single glance. Restore your cockpit’s command center with the Official Happyrun Tank G300 Pro LCD Display Screen. Engineered as a direct factory replacement for the flagship G300 Pro platform, this high-contrast digital dashboard delivers real-time tracking of your speed, battery capacity, pedal-assist level, and mileage. Featuring a rugged, weather-sealed enclosure and an anti-glare screen matrix, it ensures flawless readability from bright midday sun to late-night cruises.

SUPER73 10-Speed Conversion Upgrade Kit – Shimano Zee Drivetrain

Original price was: $265.00.Current price is: $210.00.

Unlock your bike's true capability. The official SUPER73 10-Speed Conversion Kit transforms your single-speed cruiser into an adaptive multi-gear machine. Featuring premium Shimano Zee components and Shadow Plus chain-stabilizing technology, this complete drivetrain overhaul expands your gear range, optimizes pedal-assist efficiency on steep inclines, and completely eliminates chain slap over rough terrain.