01 / Quick Setup
Start with the basics.
A quick video guide for getting familiar with your HIEHA e-bike setup before the first ride.
Setup Videos
Watch Before Your First Ride.
Follow HIEHA setup videos for assembly guidance, first-ride checks, smart display support, and e-bike ownership help.
02 / Assembly Help
Follow the setup steps.
Use this video as a visual reference for assembly, installation, and basic riding preparation.
03 / Riding Guide
Prepare for everyday rides.
Learn more about your HIEHA e-bike features, riding checks, and daily-use guidance.
04 / Smart E-Bike Support
Get more from your SU8.
A helpful visual guide for smart e-bike use, support, and after-delivery confidence.
Need more help with your HIEHA e-bike?
Check the FAQ below or contact HIEHA Support for setup, warranty, replacement parts, and order questions.
Quick Help Categories
Find the Right E-Bike Help Fast.
Choose the topic that matches your question — from setup videos and first-ride checks to battery care, smart display support, replacement parts, and warranty help.
01 / Setup Videos
Watch Videos →
Watch before your first ride.
Find quick setup videos, detailed assembly guidance, front wheel installation, and first power-on help.
02 / First Ride Checklist
View Checklist →
Check the essentials first.
Review brakes, tires, pedals, handlebar, lights, battery lock, bolts, and riding safety before heading out.
03 / Battery & Charging
Battery Help →
Keep your SU8 powered.
Get help with charging, battery checks, storage, range expectations, replacement batteries, and charger support.
04 / CarPlay & Android Auto
Display Help →
Connect the smart display.
Learn how to turn on the smart display, connect CarPlay or Android Auto, and adjust riding display settings.
05 / Replacement Parts
View Parts →
Find parts for maintenance.
Shop or request batteries, chargers, brake levers, pedals, dashboard parts, and other SU8 support items.
06 / Warranty & Support
Contact Support →
Get help after purchase.
Contact HIEHA Support for warranty questions, order help, replacement parts, setup support, and service requests.
Tip: Start with setup videos before riding.
For safety, fully charge the battery and check brakes, tires, lights, pedals, handlebar, and visible bolts before your first ride.
Setup Videos
Watch Before Your First Ride.
Follow HIEHA setup videos and first-ride checks to assemble, inspect, and prepare your SU8 e-bike with confidence.
Quick Setup Video
Start here before assembling your HIEHA SU8.
Watch this setup guide before your first ride. It helps you understand the key assembly steps, safety checks, and basic riding preparation.
Assembly Help
Follow the setup steps.
Use this video as a visual reference for assembly, installation, and first power-on preparation.
Riding Guide
Prepare for everyday rides.
Review riding checks, daily-use tips, and basic support guidance before getting on the road.
Smart E-Bike Support
Get more from your SU8.
Learn more about smart riding features, display support, and after-delivery confidence.
First Ride Checklist
Before your first ride, check the essentials.
Fully charge the battery and inspect your SU8 before riding. These simple checks help improve safety, comfort, and riding confidence.
Battery
Charge fully and make sure the battery is locked securely.
Brakes
Check brake response before riding at speed.
Tires
Inspect tire pressure and visible tire condition.
Handlebar
Make sure the handlebar is aligned and tightened.
Pedals
Confirm pedals are installed correctly and tightened.
Lights & Bolts
Check lights, visible bolts, and key connection points.
Still need help after watching the setup videos?
Visit HIEHA Support for warranty questions, replacement parts, order help, and setup guidance.
Battery & Charging
Keep Your SU8 Powered and Ready.
Learn how to charge, store, maintain, and troubleshoot your HIEHA SU8 e-bike battery for daily rides, weekend routes, and longer ownership confidence.
Battery Care Guide
Simple battery habits can help every ride start smoothly.
Before your first ride, fully charge the battery, make sure it is locked securely, and use the original charger whenever possible. For long-term storage, keep the battery in a dry indoor place and avoid extreme heat or cold.
Charge Before Riding
Fully charge before first use and before longer routes.
Use the Right Charger
Use a compatible HIEHA charger for safer charging support.
Store Properly
Keep the battery indoors, dry, and away from extreme temperatures.
Best for
Daily rides
Check before
Longer trips
Support
Battery & charger
Replacement Battery
Extra power for longer riding days.
Keep a replacement battery ready for commuting, weekend routes, or extended riding needs.
$169.00
View Battery →
Battery Charger
Keep charging simple and reliable.
A compatible charger for home, garage, or backup charging after your ride.
$49.99
View Charger →
Battery FAQs
Common Battery & Charging Questions
Quick answers for charging, range, storage, replacement batteries, and troubleshooting.
How should I charge my HIEHA SU8 e-bike battery? +
Use the compatible HIEHA charger and charge the battery in a dry indoor area. Before your first ride or a longer trip, fully charge the battery and confirm it is locked securely on the bike.
What should I check if the battery does not charge? +
Check that the charger is firmly connected to the outlet and battery port, confirm the power outlet works, inspect the charging cable and port, and make sure the battery is seated correctly. If the issue continues, contact HIEHA Support.
Why is my riding range lower than expected? +
E-bike range can vary based on rider weight, speed, pedal assist level, terrain, tire pressure, temperature, wind, and how often throttle or high-power modes are used.
How should I store the battery when I am not riding? +
Store the battery indoors in a dry place, away from extreme heat, cold, moisture, and direct sunlight. For longer storage, check the battery periodically and avoid leaving it fully drained.
Where can I buy a replacement battery or charger? +
You can shop compatible HIEHA SU8 replacement batteries and chargers from the e-bike accessories collection, or contact HIEHA Support if you need help confirming compatibility.
Still having battery or charging issues?
Contact HIEHA Support for troubleshooting, replacement parts, warranty questions, and order support.
Troubleshooting
Find the Issue. Follow the Next Step.
Quick troubleshooting help for HIEHA SU8 e-bike power, battery, smart display, brake, assembly, and replacement part questions.
Start Here
Most issues can be narrowed down with a few simple checks.
Before contacting support, check battery connection, charger status, display power, brake response, visible cables, and recently assembled parts. If the issue continues, HIEHA Support can help confirm next steps.
1. Check Power
Confirm the battery is charged, seated correctly, and locked in place.
2. Check Connections
Inspect visible plugs, display connection, brake cable, and loose wires.
3. Check Recent Setup
Review front wheel, handlebar, pedals, brakes, bolts, and first-ride setup steps.
4. Contact Support
Prepare your order number, photos, short video, and a clear description of the issue.
Power Issue
Bike or display will not turn on
- Make sure the battery is charged and locked securely on the bike.
- Press and hold the power button long enough to start the system.
- Check whether the battery indicator or charger light shows any response.
- Inspect visible cable connections around the display, controller area, and battery mount.
- If there is still no response, contact HIEHA Support with photos or a short video.
Battery & Charger
Battery will not charge
- Confirm the wall outlet works by testing another device.
- Check whether the charger light turns on after connecting to power.
- Make sure the charging plug is fully inserted into the battery charging port.
- Inspect the charger cable and battery port for visible damage or looseness.
- Do not continue charging if you notice heat, odor, swelling, or visible damage. Contact support.
CarPlay / Android Auto
Smart display or phone connection issue
- Make sure the e-bike display is powered on before pairing your phone.
- Turn Bluetooth and Wi-Fi on from your phone settings.
- Restart the display and your phone, then try pairing again.
- Forget the previous connection on your phone and reconnect from the beginning.
- For Android Auto, confirm your phone supports Android Auto and required permissions are enabled.
Brake & Riding Feel
Brake, noise, or riding feel issue
- Check that both brake levers respond normally before riding.
- Inspect whether the front wheel, handlebar, pedals, and visible bolts are tightened.
- If you hear rubbing noise, check whether the wheel, brake disc, or brake pads are aligned.
- Stop riding if braking feels unsafe, loose, or inconsistent.
- Contact HIEHA Support with a short video showing the issue clearly.
Replacement Parts
Need a part to keep your SU8 ready?
Find batteries, chargers, brake levers, dashboard parts, pedals, and other support items for HIEHA e-bike maintenance.
Troubleshooting FAQs
Quick Answers Before You Contact Support
These answers help customers describe the issue clearly and prepare useful information for HIEHA Support.
What information should I provide when contacting HIEHA Support? +
Please provide your order number, product model, photos or a short video of the issue, and a clear description of what happened before the issue appeared.
Should I keep riding if the brakes or power system feel abnormal? +
No. Stop riding if braking, power, steering, or battery behavior feels unsafe or abnormal. Check the bike and contact HIEHA Support before riding again.
Can I request replacement parts from HIEHA? +
Yes. HIEHA offers support for compatible replacement parts. You can shop available e-bike accessories or contact support if you need help confirming the right part.
Why does support ask for photos or a video? +
Photos and videos help the support team identify the issue faster, confirm the affected part, and provide a more accurate solution.
Still not sure what is wrong?
Contact HIEHA Support and include your order number, photos, short video, and a clear description of the issue.
Replacement Parts & Accessories
Keep Your SU8 Ready for More Miles.
Find essential HIEHA SU8 support parts — battery, charger, smart dashboard and replacement parts for everyday riding, maintenance and after-purchase support.
Battery
Extra power for longer riding days.
Keep a replacement battery ready for daily commutes, weekend routes and extended riding needs.
$169.00
View Battery →
Charger
Keep charging simple and reliable.
A compatible charging solution for home, garage or backup charging after your ride.
$49.99
View Charger →
Dashboard
Support your smart riding experience.
Find smart display and dashboard support for connected riding, setup and replacement needs.
$129.99
View Dashboard →
Replacement Parts
Maintain the ride with essential parts.
Find brake levers, pedals and other SU8 support parts for maintenance and after-purchase service.
Parts
Shop Parts →
Need Help Choosing?
Not sure which part fits your SU8?
Contact HIEHA Support with your order number, model version and photos of the part you need. Our support team can help confirm compatibility before you purchase.
Ready to Ride with HIEHA?
Find the SU8 That Fits Your Road.
Explore HIEHA smart e-bikes, compare SU8 models, or contact support if you need help before choosing the right ride.
Recommended Ride
HIEHA SU8 2.0 Smart E-Bike
Built for riders who want smart display support, fat-tire comfort and all-terrain riding confidence.
From $799.99
Shop Now →
Compare Models
Not sure which SU8 to choose?
Compare e-bike models, riding features, battery options and smart upgrades before buying.
Compare E-Bikes → Support Before & After PurchaseNeed help choosing or setting up?
Contact HIEHA Support for setup questions, warranty help, replacement parts or order support.
Contact Support →
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12-Month Warranty
Support for qualified HIEHA products
Setup Videos Available
Guidance before your first ride
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