KOOLUX
KOOLUX BK6S Fat Tyre Electric Bike
● In Stock — Ships in 3-7 days
RRP $699
$349Save 50%
The KOOLUX BK6S is a fat tyre electric bike with 4.0-inch wide tyres delivering stability and all-terrain traction for daily commutes and weekend gravel paths. Wide stance confidence at an accessible price.
Free worldwide shipping • 30-day returns • 1-year warranty • Ships from US, UK or AU warehouse
🇺🇸
US
3-7 days
🇬🇧
UK
3-5 days
🇦🇺
AU
5-10 days
| Tyres | 4.0in fat tyre all-terrain |
| Motor | Brushless hub |
| Battery | 48V lithium removable |
| Range | Up to 50 miles PAS |
| Frame | Alloy fat tyre geometry |
| Brakes | Disc front & rear |
| Display | LCD |
| Suspension | Front fork |
| Max Load | 330 lbs |
Customer Reviews
4.6
★★★★☆
291 reviews
2025-10-30
★★★★★
4-inch tyres make this the most stable e-bike I have ridden. Corners confidently and absorbs road imperfections completely.
2026-01-20
★★★★☆
Wide tyres are the headline and they deliver. City streets feel like velvet.
2026-03-11
★★★★★
Best fat tyre bike at this price. The stability on wet roads is remarkable.
📚 More from the Blog▾
E-Bike Reviews
Best Electric Bikes for Adults in 2026
Read →
Buying Guide
Best Electric Bikes Under $500 in 2026
Read →
Buying Guide
Best Electric Bikes Under $1,000 in 2026
Read →
Buying Guide
Best Electric Dirt Bikes for Kids in 2026
Read →
Buying Guide
Best Electric Scooters for Adults in 2026
Read →
Legal Guide
Electric Bike Laws US 2026
Read →
Comparison
Electric Bike vs Electric Scooter
Read →
Buying Guide
Electric Scooter Buying Guide 2026
Read →
Range Guide
How Far Can an E-Bike Go on One Charge?
Read →
Battery Guide
How Long Do E-Bike Batteries Last?
Read →
Maintenance
Electric Bike Maintenance Guide
Read →
Buying Guide
Fat Tire Electric Bikes — Worth It?
Read →
Buying Guide
Best E-Bikes for Hilly Cities 2026
Read →
Commuter Guide
E-Bike Commuting — Complete 2026 Guide
Read →
