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It's the placement that makes the external air-cooled controller and the internal air-cooled controller different; however, there are two more factors to consider besides their locations.

• Cooling Effectiveness: The external air-cooled controller dissipates heat more effectively than the internal air-cooled controller. Since the former is placed outside the e-bike's frame, it is exposed directly to the outside air, which results in it being less likely to overheat, enhancing its performance and potentially extending its lifespan. In contrast, the internal air-cooling system has a very limited ability to reduce heat due to less airflow around it.
• Maintenance and Repair: The external air-cooled controller is generally easier to access for maintenance or replacement than the internal air-cooled controller. Being externally mounted, the external cooling system is obviously easier to access for these purposes.

CYKE's Family Series are made for all-terrain cycling, which means you can ride any type of our Family Series at ease on the countryside, city roads, beaches, etc.

A heavier frame on an ebike can offer several benefits, particularly in terms of Stability and Durability:

• Stability: Heavier frames tend to lower the center of gravity of the ebike, which can improve stability, especially at higher speeds or when carrying cargo. This makes the ride feel more secure and less prone to tipping.
• Durability: All of the CYKE's ebikes of the Family Series are made from Aviation-Grade aluminum alloy, which are often more durable and can better withstand the wear and tear of regular use compared to lighter materials. This is beneficial for ebikes since the additional components like the motor and battery already add significant stress to the frame.
• Vibration Damping: A heavier frame, particularly those made from materials like steel, can absorb road vibrations better than lighter materials such as aluminum or carbon fiber. This results in a smoother, more comfortable ride.
• Strength: Heavier frames can generally support more weight, making them suitable for riders who are heavier or who need to haul heavy loads. This is particularly important for cargo ebikes or for riders using their ebike for commuting with gear.
• Resistance to Wind: A heavier ebike is less likely to be affected by strong winds, which can be an advantage in open or gusty areas.

The Family Series is priced from $2,299 to $2,499. Let's find out the main purpose of your ebike purchase.

✓ If you value comfort and ease of mounting and dismounting, choose the Lynx.

✓ If you are seeking an ebike for your hunting adventures or simply want a strong and robust model, choose the Cheetah.

✓ If you desire a foldable design that you can take wherever you want, go with the Grizzly.

✓ If you need an ebike with a reinforced cargo rack, the Collie should be your first choice.

Overall, the model you should choose depends on what you value the most. We designed this series to ensure that everyone in your family can find the perfect model for themselves.