Unbox and inspect the bike.
Check the frame, fork, wheels, battery, display, brake parts, cables, accessories, and packaging before assembly. Do not ride if anything appears damaged.
Start here for product setup, warranty registration, replacement support, troubleshooting, manuals, and customer service.
Arrive at the official HIEHA support page.
Warranty, setup, troubleshooting, or direct help.
Submit details so support can respond more efficiently.
Select the issue that best matches your situation. We’ll guide you to setup help, troubleshooting, warranty registration, replacement review, parts support, order help, or direct customer service.
Register your HIEHA product or submit warranty-related ownership details.
View first-use steps, SU8 setup videos, riding checks, and product instructions.
Check common power, battery, display, brake, tire, smart feature, or riding issues.
Submit an eligible replacement case with order details, issue proof, photos, or videos.
Need help with chargers, cables, displays, mounts, sensors, batteries, or missing parts?
Need help with delivery, tracking, missing items, damaged packages, or order questions?
Send your issue, order number, product model, and supporting photos or video links.
Prefer email? Contact us directly at support@hieha.com with your order details.
Support note: for faster service, please include your order number, product model, purchase channel, photos or videos, and a clear description of the issue.
Follow these basic setup and safety steps before riding. Always read the included user manual and contact HIEHA support if anything looks damaged, loose, missing, or unclear.
Check the frame, fork, wheels, battery, display, brake parts, cables, accessories, and packaging before assembly. Do not ride if anything appears damaged.
Follow the manual to install and adjust the handlebar, front wheel, pedals, saddle, display, and any model-specific accessories.
Fully charge the battery before the first ride when possible. Make sure the battery is seated correctly and locked in place before powering on.
Confirm tire pressure, brake response, wheel alignment, throttle or pedal-assist behavior, lights, and display status before riding on the road.
Turn on the bike, review the display information, confirm assist settings, and make sure no warning code or abnormal message appears.
Start in a safe open area, use a low assist level, test braking, turning, acceleration, and stopping before riding in traffic.
First ride note: wear a helmet, follow local e-bike laws, avoid riding in traffic until you are comfortable, and stop riding immediately if you notice abnormal noise, braking issues, loose parts, battery warnings, or error codes.
Choose your model and watch the assembly video before riding. For battery care, smart display help, replacement parts, troubleshooting, and warranty details, visit the full HIEHA Electric Bike FAQ.
Watch the SU8 2.0 assembly guide before your first ride. Use it together with the included manual and first-ride checklist.
Watch the SU8 1.0 assembly video for model-specific setup steps before riding, then check brakes, tires, battery lock, handlebar, and pedals.
Find detailed help for battery charging, CarPlay and Android Auto, replacement parts, warranty, riding checks, and troubleshooting.
Setup note: videos are visual references. Always follow the included user manual and check brakes, tires, battery lock, handlebar, pedals, lights, and visible fasteners before riding.
If your HIEHA e-bike has a power, display, battery, brake, tire, throttle, pedal-assist, or riding issue, start with these quick checks before submitting a support request.
Safety note: do not disassemble the battery, motor, controller, or electrical system by yourself. If the issue involves power loss, braking, battery heat, damaged wiring, abnormal smell, or frame damage, stop riding and contact HIEHA support.
Submit your order details, product model, issue type, photos or videos, and a clear description so our support team can review your case more efficiently.
Need warranty help, replacement review, missing parts support, or accessory guidance? Start here and prepare your order details so our support team can review your case more efficiently.
For eligible product issues within the support period, HIEHA may help with troubleshooting, parts guidance, repair direction, or replacement review based on the case.
If your product or part may qualify for replacement support, please provide order proof, issue photos or videos, and a clear description for review.
Need a charger, cable, mount, battery-related part, display, brake component, tire, sensor, or other accessory? Contact us with your exact model.
If your package arrived damaged, missing parts, or with a shipment issue, keep the packaging and provide photos before submitting a support request.
Order number, purchase channel, purchase date, and email used for the order.
Exact product name, model version, and photos of the product or label if available.
Clear photos, short videos, error codes, damaged areas, or abnormal behavior proof.
Explain when it happened, what you tried, and whether the product is still safe to use.
Eligible product issues under normal use may be reviewed for troubleshooting, parts guidance, repair direction, replacement support, or other after-sales assistance depending on the case.
Support may be limited or unavailable for damage caused by misuse, unauthorized modification, accidents, improper installation, abnormal wear, water exposure beyond intended use, lost accessories, or issues outside applicable policy terms.
Parts and accessories depend on product model, production batch, inventory, region, and support eligibility. Please contact HIEHA with your exact model before purchasing or replacing parts.
Include your order number, product model, issue type, and photos or videos if available.
Warranty & parts note: warranty, replacement, repair, or parts support is subject to order verification, product condition, issue proof, policy terms, parts availability, and applicable law. HIEHA reserves the right to make the final support decision in accordance with applicable policies and law.
Thank you for choosing HIEHA. Eligible customers may receive a repurchase coupon reward for their next HIEHA order after support review.
Register your HIEHA product, complete your support request, or verify your original purchase details.
Keep your order number, product model, purchase channel, and email address ready for review.
Contact HIEHA support and mention that you would like to request a repurchase coupon reward.
Once approved, apply the coupon toward an eligible HIEHA product during your next purchase.
Include your order number, product model, and the product you are interested in purchasing next.
Coupon terms: coupon amount, eligibility, product applicability, expiration date, and use conditions may vary. This offer cannot be exchanged for cash, may not be combined with certain promotions, and may require order verification. HIEHA reserves the right to make the final interpretation and support decision in accordance with applicable policies and law.