SX-E500 vs SX-E700 MX Specifications

The SX-E700 MX gains extra peak power, a larger battery and a higher top speed compared with the SX-E500. That makes it the stronger bike for confident riders, while the SX-E500 remains the better-value choice for many families.

RFN SX-E500 Overview

The RFN Warrior SX-E500 is one of the best progression bikes in the Warrior Kids range. It gives young riders a proper dirt-bike-style feel without jumping straight into the highest-performance model.

For riders who have outgrown smaller beginner bikes but are not quite ready for the SX-E700, the SX-E500 is a very sensible choice.

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RFN SX-E700 MX Overview

The RFN Warrior SX-E700 MX takes everything good about the SX-E500 and adds more performance. It sits at the top of the Warrior Kids range and is aimed at riders who already have confidence and want the most capable smaller RFN model.

The larger battery and stronger motor make the SX-E700 MX better suited to more demanding riding, especially when used regularly in fields, on tracks or across rougher terrain.

Shop SX-E700 Bikes SX-E700 MX vs SM

Biggest Difference: Power

The biggest difference between the SX-E500 and SX-E700 MX is power.

The SX-E500 is already capable enough for many young riders, especially those still learning throttle control, braking and body position. The SX-E700 MX adds more peak output, which makes it feel stronger when accelerating, climbing hills and riding through tougher terrain.

Biggest Difference: Battery Capacity

The SX-E500 uses a 36V 5.2Ah removable lithium battery, while the SX-E700 MX upgrades to a 36V 7.4Ah battery.

This gives the SX-E700 MX more energy capacity, which is useful when riding in higher power modes or on rougher ground. For occasional riding, the SX-E500 will still be enough for many families.

Which Bike Is Better For Beginners?

The SX-E500 is the better choice for beginners.

It is more affordable, easier to justify as a first proper RFN Warrior Kids bike and already has enough performance for many younger riders. If the rider is still building confidence, the SX-E500 is usually the safer recommendation.

Which Bike Is Better For Experienced Kids?

The SX-E700 MX is the better choice for experienced kids.

If the rider already has good throttle control, balance and braking technique, the extra power and larger battery make the SX-E700 MX more rewarding and longer lasting.

Value For Money

The SX-E500 is the better-value choice if you are buying a first RFN Warrior Kids bike. It offers strong performance, hydraulic braking and a capable 14-inch platform without the higher price of the SX-E700 MX.

The SX-E700 MX is better value if your child is already confident and likely to outgrow the SX-E500 quickly. In that case, spending more upfront may make sense.

Our Recommendation

• Best Beginner Bike: SX-E500
• Best Value Bike: SX-E500
• Best Performance Bike: SX-E700 MX
• Best For Rider Progression: SX-E700 MX
• Best Overall: SX-E700 MX

Final Verdict

The RFN Warrior SX-E500 and SX-E700 MX are both excellent Warrior Kids bikes, but they suit slightly different riders.

If you are buying a first proper electric dirt bike or want the best value, the SX-E500 is the smarter choice.

If your rider already has experience and you want the most capable Warrior Kids model available, the SX-E700 MX is the winner. The extra power, larger battery and stronger performance potential make it the best overall bike in this comparison.