How to Upgrade Your Surron E-Bike for Maximum Performance

Introduction

Surron e-bikes are already powerful machines, but with the right upgrades, you can unlock even more speed, torque, and range. Whether you want better acceleration, a smoother ride, or a longer battery life, this guide covers the best performance upgrades for your Surron Light Bee, Ultra Bee, or Storm Bee.

1. Upgrade Your Battery for More Range & Power

Why Upgrade?

• Stock batteries limit top speed and range.
• A bigger battery can handle higher voltage controllers for more power.

Best Battery Upgrades

• 60V to 72V Battery Swap: Boosts power output (~15-20% increase in torque & speed).
• Higher Ah Battery Packs: Extends ride time by 30-50%.
• Premium Lithium Cells: Samsung 40T or Molicel P42A cells offer higher discharge rates.

✅ Recommended: 72V 38Ah or 60V 45Ah battery packs.

2. Install a High-Performance Controller

Why Upgrade?

• A more powerful controller allows you to increase torque and throttle response.
• Some controllers offer Bluetooth tuning and custom ride modes.

Best Controller Upgrades

• Bac4000 or Bac8000: Unlocks full motor potential (~25-50% more power).
• ASI 8000: Supports up to 12kW output, perfect for racers.
• EggRider V2 Display: Adjust settings and monitor battery performance.

✅ Recommended: Bac4000 for daily riders, Bac8000 for extreme performance.

3. Install a Bigger Rear Sprocket for More Torque

Why Upgrade?

• A larger rear sprocket increases low-end torque and acceleration.
• A smaller rear sprocket increases top speed.

Best Sprocket Upgrades

• 54T Rear Sprocket: More torque for off-roading.
• 42T Rear Sprocket: Higher top speed for road use.

✅ Recommended: 54T for trail riding, 42T for street.

4. Upgrade Your Suspension for a Smoother Ride

Why Upgrade?

• Stock suspension struggles on rough terrain.
• Better suspension improves handling and comfort.

Best Suspension Upgrades

• DNM USD-8 Forks: Adjustable preload and rebound.
• FastAce Rear Shock: Improves stability on jumps.
• Fox Float X2 Shock: Premium option for ultimate performance.

✅ Recommended: DNM USD-8 for budget-friendly, Fox Float X2 for top-tier.

5. Install a Better Brake System for Safety

Why Upgrade?

• Higher speeds require stronger braking power.
• Stock brakes fade after prolonged use.

Best Brake Upgrades

• Magura MT5/MT7 Brakes: More stopping power.
• 200mm Oversized Rotors: Improves heat dissipation.
• Steel Braided Brake Lines: Better braking feel.

✅ Recommended: Magura MT7 brakes + 200mm rotors.

6. Add Performance Tires for Better Grip

Why Upgrade?

• Stock tires lack grip in wet or rocky conditions.
• Performance tires improve handling and traction.

Best Tire Upgrades

• Shinko 241: Great for mixed terrain.
• Michelin Starcross 5: Best for motocross.
• Pirelli MT43: Ideal for rocky trails.

✅ Recommended: Shinko 241 for versatile riding.

7. Upgrade to a Full-Twist Throttle for Better Control

Why Upgrade?

• Stock throttle lacks precision and responsiveness.
• A full-twist throttle allows for better modulation of power.

Best Throttle Upgrades

• Domino XM2 Full Twist: Smooth acceleration and control.
• Domino Half Twist: Easier on the wrist for long rides.

✅ Recommended: Full twist for aggressive riding, half twist for comfort.

8. Add LED Lights for Night Riding

Why Upgrade?

• Stock headlight is weak for night riding.
• Aftermarket LED lights improve visibility and safety.

Best Light Upgrades

• Baja Designs Squadron Sport: Super bright LED headlight.
• Auxiliary Handlebar LEDs: Extra side lighting.
• Integrated Brake Light Kit: Required for street-legal conversions.

✅ Recommended: Baja Designs Squadron for max brightness.

Final Thoughts

Upgrading your Surron e-bike can dramatically improve its performance, handling, and safety. Whether you’re looking for more power, better control, or enhanced durability, these mods will take your ride to the next level.

🔥 Ready to upgrade? Check out our store for the best Surron parts and accessories!