Sirris F43 246mm | LSC | Fork for Surron Ultra Bee with MX Tune

Parts

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Sirris F43 246mm Fork Ultra Bee UK — MX Tune

The Sirris F43 246mm fork ultra bee uk with MX tune is specifically valved for motocross track riding on the Sur Ron Ultra Bee. This tune balances support for jump landings with compliance for braking bumps.

What Is the MX Tune?

The sur ron ultra bee mx tune fork sirris is developed for:

  • Natural terrain tracks – Grass, dirt, sand circuits

  • Jump landings – Progressive bottoming resistance

  • Braking bumps – Controlled compression damping

  • Mixed track conditions – Versatile performance

Key Features

246mm Travel – Substantial travel for MX track use.

MX Valving – Developed specifically for motocross terrain.

43mm Stanchions – Maximum stiffness for Ultra Bee.

Tool-Free LSC – Adjust low-speed compression without tools.

Separate High/Low Speed Compression – Fine-tune independently.

Fitment Compatibility

The sirris f43 motocross tune e-moto fork is designed for:

  • Sur Ron Ultra Bee (primary)

  • Altis Sigma (with adapter)

MX Tune vs SX Tune vs Trail Tune

Tune

Best For

Sag Recommendation

MX

Natural terrain tracks

30-35mm

SX

Supercross, big jumps

25-30mm

Trail

Enduro, technical

35-40mm

Tuning Guide for MX Tune

Baseline Settings for MX Tune:

  • LSC: 10 clicks from closed

  • HSC: 11 clicks from closed

  • Rebound: 11 clicks from closed

  • Sag: 30-35mm

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Frequently Asked Questions (FAQ)

Q: Is the MX tune suitable for trail riding?
A: It's designed for motocross tracks. For trail riding, the Trail tune is more appropriate.

Q: What's the difference between MX and SX tune?
A: MX is more versatile for natural terrain tracks. SX is firmer for supercross-style whoops and big jumps.

Q: Will this fork fit my Ultra Bee?
A: Yes — direct bolt-on for Sur Ron Ultra Bee.

Q: Do I need any additional parts?
A: The fork comes complete. Reuse your stock brake caliper and wheel.

Q: How does this compare to the stock Ultra Bee fork?
A: The Sirris F43 has larger 43mm stanchions, more travel, and professional valving — a significant upgrade.


Ready to Upgrade Your Sur Ron Ultra Bee Front Suspension?

Order your Sirris F43 246mm fork ultra bee uk today. We ship to the UK, USA, and Canada with full tracking and insurance.

📞 Call or Text (USA): +1 (929) 347-9885
💬 WhatsApp (UK): +44 (7760) 745171
✉️ Email: sales@wepedscooters.shop

This is a professional motocross component — confirm your Ultra Bee year before ordering.

BUY NOW — Sirris F43 246mm MX Tune Fork for Ultra Bee