KOOLUX BK6S 4.0 Fat Tyre Electric Bike

A 4.0-inch fat tyre is approximately 40% wider than the 2.5-inch tyres on most commuter e-bikes. The wider contact patch distributes weight more evenly, reducing the pressure per square inch on the road surface. This means better grip on wet tarmac, loose gravel, and sand. Fat tyres also run at lower pressure, which absorbs road vibration that narrower tyres transmit directly to the rider.

Yes. The 4.0-inch fat knobby tyres are one of the better options for wet and light winter conditions. They outperform standard commuter tyres on ice, snow, and wet leaves. For deep snow or ice, dedicated studded tyres on a fat frame like this provide even better grip. The disc brakes also outperform rim brakes in wet conditions.

The BK6S delivers up to 50 miles of range from the 48V lithium battery in pedal-assist mode. Top speed is approximately 25 mph. The brushless hub motor is quiet in operation and requires minimal maintenance compared to chain-drive systems.