Fat Tire
20”*4.0” inch fat tire for all-terrain riding

This 20-inch inner tube is a practical replacement accessory for compatible QMWHEEL electric bikes, including V20Pro and S20Pro. It is designed to fit 20-inch e-bike tires and helps restore stable tire pressure, smooth riding comfort, and dependable performance after punctures or normal tube wear.
MODEL:C28
MILEAGES:40-50KM
MOTOR:500W/750/1000WW
BRAKE:HYDRAULIC BRAKE
TIRE:20“*4.0”
NET WEIGHT:44.9KG
BATTERY:48V 13AH/15 .6AH
GROSS WEIGHT:53.7KG
MAX LOAD:150KG
STANDING SIZE:168*66*120CM
LOAD QTY:195PCS/40HQ
PACKING SIZE:144*28*88CM
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This 20-inch inner tube is a practical replacement accessory for compatible QMWHEEL electric bikes, including V20Pro and S20Pro.
It is designed to fit 20-inch e-bike tires and helps restore stable tire pressure, smooth riding comfort, and dependable performance after punctures or normal tube wear.Whether used for daily maintenance or as a spare part, this inner tube is an essential accessory for riders and dealers.
With EU stock and fast delivery, it helps reduce waiting time and keeps your e-bike back on the road quickly.
20”*4.0” inch fat tire for all-terrain riding
Enhanced shock absorption for a smoother ride
Two-passenger Saddle
Responsive braking for safety and control

Designed for real-world versatility. Tackle your daily commuteand weekend adventures with ease.








The extended dual-seat design provides extra space and comfort for two riders. Whether you're commuting with a partner, enjoying weekend adventures, or exploring the city together, the C28 offers a more enjoyable and connected riding experience.
Rear
passengers
Extra Cargo
Space
Daily & Urban
Use 
This 15.6Ah large battery has undergone specialized testing, and its range can reach 50 km, which can meet the daily commuting needs in the city.
High-capacity battery
Stable endurance
Shockproof case 
All internal cables are wrapped with waterproofmaterials, protecting the electrical system fromrain and moisture. This design improvesdurability and ensures stable performance indifferent weather conditions.
Waterproof
Protection
Rain
Resistant
Insulating
casing 
This motor has been professionally tested, reaching a full power of 500w, delivering strong and continuous power. Whether climbing hills or accelerating, it can provide you with an endless stream of energy.
Powerful motor
Climbing angle
27.9MPH
Top speed 



Top-selling fat tire e-bike in the Netherlands, with high competitiveness in retail and shared mobility markets.
Provide overseas warehouse distribution to reduce logistics costs and improve delivery efficiency for global partners.
Customize products according to brand and distributor needs, supporting personalized design and parameter adjustment.
