Best Front Fork Upgrades for the Surron Light Bee X in 2026: RFloXa, Sirris, EXT, TECH, and Pure Racing Compared
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The stock fork on the Surron Light Bee X was designed to ship a bike that passes at the price point. For casual trail riding and backyard shenanigans, it gets the job done. But if you're pushing the LBX on technical singletrack, hitting bigger drops, or just logging serious hours, the stock fork becomes the weakest link in the suspension chain fast.
The good news: the aftermarket for LBX forks has matured significantly. You've got five legitimate contenders now — RFloXa, Sirris, EXT, TECH, and Pure Racing — and the right choice depends on your riding style and what "upgrade" means to you. Here's how they stack up.
Why Upgrade the Surron LBX Fork
The stock LBX fork runs a conventional upright design with limited rebound damping adjustment and no compression control. At low speeds on smooth trail, this isn't a problem. Add speed, rough terrain, big rocks, or any kind of drop — and the stock fork blows through its travel and kicks back hard.
An aftermarket USD (upside-down) fork offers three things the stock unit doesn't:
- More stiffness in the chassis — less flex under braking and cornering load
- Independent compression and rebound damping adjustment — tunable to rider weight and terrain
- More travel — most aftermarket options run 220–230mm vs. the stock setup
Once you ride a tuned USD fork on the LBX, going back to stock feels like downgrading to a department store bike.
The Contenders
RFloXa Hawk31 Pro
The Hawk31 Pro is the entry point into proper USD territory for the LBX. 31mm fork tubes, internal spring cartridge, and independently adjustable rebound damping. The Hawk31 Pro is what a lot of ThrottleCo riders run first — and a good number stick with it long-term because it just works.
Best for: Riders upgrading from stock who want a legitimate suspension improvement without a full build investment. See the RFloXa Hawk31 Pro →
RFloXa Hawk31 Max (Gold)
The Max takes the Hawk31 platform further. 37mm tubes for added chassis stiffness, full compression and rebound control, and a finisher's package in gold CNC triple clamp hardware. Less lateral flex under braking means more confidence into corners.
Best for: Riders who want the full USD experience and don't mind the front end turning heads at the trailhead. See the RFloXa Hawk31 Max →
Sirris F43 CMX
The Sirris F43 CMX is a 43mm closed-cartridge USD designed specifically for electric dirt bike geometry. Tool-free compression adjusters, 230mm travel, and a fork geometry calibrated for the weight and torque profile of e-motos. Sirris builds for the e-moto category specifically — not a repackaged MX fork adapted to fit.
- 43mm tube diameter
- 230mm travel
- Tool-free 20-click compression adjustment
- 20-click rebound adjustment
- Fits Surron LBX, E-Ride Pro S/SS 2.0
Best for: Riders ready to commit to a high-spec fork with precision damping for technical terrain. See the Sirris F43 CMX →
EXT Ferro E-MX
EXT is an Italian suspension brand that has been supplying World Cup DH and enduro teams for over a decade. The Ferro E-MX runs a 39mm tube with EXT's proprietary TTD (True Through Damper) internals — oil damping that doesn't air-gap under big travel events, which translates to consistent feel from top to bottom of the stroke.
Best for: Riders who want the closest thing to a World Cup fork on a Surron. See the EXT Ferro E-MX →
TECH E39 E-Moto Fork
The TECH E39 is a 39mm USD with 230mm travel designed from the ground up for heavy e-motos. The E39 uses a closed-cartridge damping system with independently adjustable high-speed and low-speed compression — a level of adjustability you normally only see in fully custom race suspension.
Best for: Riders who tune suspension and want the most adjustment latitude in the lineup. See the TECH E39 →
Pure Racing Komodo Forks
Pure Racing builds the Komodo with CNC machined triple clamps and titanium axle hardware as standard — the spec-out choice if you're building a full Pure Racing front end package and want everything to match.
Best for: Builders doing a complete suspension package who want integrated Pure Racing hardware throughout. See the Pure Racing Komodo →
Quick-Pick Matrix
| Fork | Tube Dia. | Travel | Damping Adj. | Best For |
|---|---|---|---|---|
| RFloXa Hawk31 Pro | 31mm | 220mm | Rebound only | Best value USD upgrade |
| RFloXa Hawk31 Max | 37mm | 220mm | Full | Stiffness + appearance |
| Sirris F43 CMX | 43mm | 230mm | Full, tool-free | Technical trail precision |
| EXT Ferro E-MX | 39mm | 225mm | Full TTD | Race-spec damping feel |
| TECH E39 | 39mm | 230mm | HSC + LSC + rebound | Maximum tunability |
| Pure Racing Komodo | 35mm | 220mm | Full | Complete build packages |
Which Fork Is Right for You?
If you're running stock and want the biggest quality-of-life jump without overthinking it: the RFloXa Hawk31 Pro. It's the first step that makes the LBX feel like it was built right, not just assembled.
If you're already on an aftermarket fork and want to go further: Sirris F43 CMX or TECH E39 depending on whether you want ease of adjustment (Sirris) or maximum range (TECH).
If budget is secondary to spec and you want to run what the fast guys run: EXT Ferro E-MX. The TTD damping internals are in a class of their own at this travel range.
All of these forks are in stock and ready to ship from the USA. If you're building a serious LBX and want access to sponsor-only pricing on repeat orders, check out the ThrottleCo Sponsor Program — sponsors get 3% off every order plus a referral commission on riders they send our way. Top sponsors get pulled in for YouTube collabs filmed with Bryce.