SIRRIS F43 Fork
Product Overview
The SIRRIS F43 suspension fork was developed specifically for the Surron Ultra Bee and offers outstanding suspension performance with 246 mm of travel. Thanks to its robust construction and custom tuning options, it's ideal for demanding off-road riding.
Technical Data
- Suspension travel: 246 mm
- Length: 856 mm
- Weight: 10 kg (including fork bridges and steerer tube)
- Standpipe diameter: 43 mm, chrome-plated steel
- Material outer tubes: Seamless 7050 aluminum, hard anodized
- Triple clamps: Forged 6061 aluminum, hard anodized
- Damping: Symmetrical, adjustable closed cartridge with spring-loaded IFP
- Adjustment options: External compression and rebound adjustment
Trail Tune rider weight specifications:
- Light: 59-73 kg (130-160 lbs)
- Medium: 73-95kg (160-210lbs)
- Heavy: 95-104 kg (210-230 lbs)
- X Heavy: 104-113 kg (230-250 lbs)
- XX Heavy: 113-122 kg (250-270 lbs)
- XXX Heavy: 122-136 kg (270-300 lbs)
Rider weight specifications for MX-Tune:
- Light: 59-73 kg (130-160 lbs)
- Medium: 73-95kg (160-210lbs)
- Heavy: 95-104 kg (210-230 lbs)
- X Heavy: 104-113 kg (230-250 lbs)
- XX Heavy: 113-122 kg (250-270 lbs)
Please choose the appropriate tune according to your rider weight and riding style to ensure optimal performance of your Surron Ultra Bee.
Why the SIRRIS F43 is perfect for you
- Individual tuning: Choose between trail and MX tunes, adapted to your rider weight and riding style.
- Robust construction: High-quality materials such as 7050 and 6061 aluminum ensure durability and stability.
- Easy Installation: Plug-and-play design allows seamless integration into the Surron Ultra Bee without any additional modifications.
- Optimal performance: Hydraulic bottom-out protection ensures soft landings even at maximum suspension travel.
Additional Information
- Compatibility: Specially designed for the Surron Ultra Bee.
- Availability: Can be ordered individually with a delivery time of approximately 10–14 days.
- Tuning options: Adaptable for different rider weights and riding styles.
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View full detailsFrequently Asked Questions (FAQ)
Alles, was du vor dem Kauf wissen solltest
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- 🏍️ We're not business students , but real off-roaders – out on our bikes every day.
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🔧 Specializing in e-motors & high-quality CNC tuning parts from our own production
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✅ Tested spare parts and accessories that we use ourselves
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🤝 Personal support – from drivers for drivers
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❤️ With us, you get real know-how & passion , not just sales.
- 🏍️ We're not business students , but real off-roaders – out on our bikes every day.
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🚦 Most of our bikes are street legal
🌲 Some models are also available as off-road versions without registration.
🔎 Pay attention to the suffix: L1E or L3E = road legal in Germany & Europe -
- 🔋 Range depends on model & battery size
- 🛣️ On average: 60–160 km with normal driving
- 🏞️ Off-road & full throttle = rather on the lower end
⚡ Easily double your range on the go with a second battery or a charging break
- 🔋 Range depends on model & battery size
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📦 Delivery possible throughout Germany and Europe
🚚 Fast and secure shipping via freight carrier
🏬 Local pickup is also possible by arrangement.
💡 Tip: When you pick up your bike, it will be fully assembled and you'll receive a short briefing directly from the team. -
- 🧑🦱 L1E (50cc class) : from age 16 with AM/A1 driving licence
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🧑🦳 L3E (125cc class) : from age 16 with A1 license or from age 18 with B196 extension
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🌲 Off-road models : may only be driven on private property or off-road tracks.
- 🧑🦱 L1E (50cc class) : from age 16 with AM/A1 driving licence
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