Overview of the TECH E39 Fork

Creighton Ball

Nov 13, 2025

Overview of the TECH E39 Fork

1. Overview

The TECH E39 Fork is a high-performance, closed-cartridge front suspension system designed specifically for light e-motos such as the Ventus V1 / V1+, Rerode R1, Talaria, Eride Pro, and Sur-Ron Light Bee. This article outlines its key features, performance advantages, and technical specifications to help riders and dealers understand why the E39 is one of the most capable front ends available in the light e-moto segment.

Built by TECH Racing Suspension in Italy, the E39 combines precision machining, premium internals, and tunable valving to deliver race-proven control for electric powertrains that produce instant torque and acceleration. It is engineered for riders seeking MX-level performance and durability in a lightweight package that complements the modern e-moto platform.

2. Key Details or Product Summary

Product Name: TECH E39 Fork

Category: Suspension Component / Front Fork System for Light E-Motos

Purpose: To deliver professional-grade front-end suspension performance for high-power light e-motos, balancing stability, traction, and comfort across track and trail conditions.

Brand / Manufacturer: TECH Racing Suspension (Italy) — Distributed by Pinned Electric for U.S. e-moto applications

Quick Specs at a Glance

Stanchion Diameter: 39 mm hard-chrome plated steel
Travel: 230 mm (9.05 in)
Axle to Crown: 770 mm
Adjustability: 22-click compression | 32-click rebound | spring preload via top caps
Brake Mount: Post-mount for 220 mm rotor
Crown Options: Flat for 19″ wheel | Drop for 21″ wheel
Weight: ≈ 7.2 kg (15.8 lb)
Construction: CNC-machined aluminum outer tubes, forged dropouts, anodized finish

Performance Positioning
The E39 is a race-tuned fork purpose-built for light e-moto platforms like Ventus V1 / V1+, Rerode, Talaria, Eride Pro, and Sur-Ron Light Bee. It delivers premium motocross-style feel while remaining lightweight, responsive, and precisely tuned for electric performance demands.

3. In-Depth Explanation or Comparison

3.1 Core Concept / Product Description

The TECH E39 Fork is an advanced, closed-cartridge front suspension system engineered for today’s high-output light e-motos. Developed by TECH Racing Suspension (Italy) and distributed by Pinned Electric for U.S. e-moto applications, the E39 sets a new standard for precision control, adjustability, and durability across both trail and motocross environments.

Using a rigid 39 mm stanchion chassis paired with a sealed hydraulic cartridge, the E39 maintains consistent damping through aggressive riding conditions—resisting cavitation and oil aeration that often plague open-bath systems. The result is predictable feedback and a smoother ride under sustained load or impact.

The dual-adjuster system provides 22 clicks of compression and 32 clicks of rebound, allowing riders to fine-tune suspension response to terrain and riding style. Spring preload can also be adjusted via top caps for precise sag and rider-weight setup.

3.2 Design Highlights and Construction

Chassis: 39 mm hard-chrome steel stanchions with anodized aluminum outers for maximum rigidity and corrosion resistance.
Crown: Comes stock with a drop crown configuration for 21″ front wheels, providing increased clearance and steeper steering geometry.
Hydraulic System: Closed-cartridge design separates oil and air for consistent damping and temperature stability.
Adjustability: Click-by-click rebound and compression tuning with top-mounted spring preload adjusters.
Brake Mounting: Post-mount caliper bracket for 220 mm rotors.
Durability: Low-friction bushings and anodized finishes ensure long-term performance under MX-level stress.

3.3 Performance Comparison

Compared to standard OEM forks found on models like the Sur-Ron Light Bee or Talaria MX3, the TECH E39 offers substantial gains in every category:

Superior damping consistency under repeated compression or heat buildup.
Enhanced rigidity from its 39 mm stanchions and forged dropouts.
More precise control from 22/32 click tuning and closed-cartridge fluid management.
Improved feedback and traction for cornering and braking stability.

This combination gives the E39 a true motocross-grade feel in a light e-moto-specific package—delivering race-ready performance, consistent response, and confidence across any terrain.

3.2 Feature Breakdown / Components Included

Included Item	Description	Notes
TECH E39 Fork (Complete Assembly)	Fully assembled closed-cartridge front suspension system featuring 39 mm stanchions and CNC-machined aluminum outers	Factory-tuned for 150 – 180 lb rider range (medium spring installed)
Drop Crown Assembly (Stock)	Forged aluminum drop crown pre-installed with steering stem and bearings	Designed for 21″ front-wheel fitment
20 mm Axle Kit	CNC-machined aluminum axle and spacers	Fits Ventus V1 / V1+, Rerode R1, Talaria, Eride Pro, and Sur-Ron Light Bee
Setup & Tuning Manual	Printed and digital PDF guide covering preload, rebound, and compression setup	Includes baseline settings and service intervals

Note: Product contents may vary slightly by dealer or territory.

Visual Reference

Figure 1 — The TECH E39 Fork in its stock drop-crown configuration. The black anodized outer tubes feature factory-applied TECH Suspension graphics on both legs as authentic identifiers. Shown assembled with post-mount caliper bracket and CNC axle lugs, compatible with light e-moto platforms including Ventus, Rerode, Talaria, Eride Pro, and Sur-Ron.

3.3 Side-by-Side Comparison (if applicable)

Feature	TECH E39 Fork	EXT Ferro EMX Fork	Sirris F43 CMX Fork
Design Type	Upside-down (USD), dual-crown suspension fork	Upside-down (inverted), high-performance suspension fork	Symmetrical Closed-Cartridge System
Stanchion Diameter	39 mm	37 mm	43 mm
Travel	230 mm	200 mm (± 5 mm depending on tune)	220 mm
Crown Type	Drop Crown (stock)	Flat Crown	Drop Crown (optional flat crown available)
Adjustability	22-click compression / 32-click rebound / spring preload	High- & Low-Speed Compression / Rebound (air-assist hybrid)	Tool-Free Low-Speed Compression / Rebound / Spring Preload
Weight	≈ 7.7 kg (17 lb) complete assembly	≈ 4.0–4.5 kg (8.8–10 lb) complete assembly	≈ 10 kg (22 lb) complete assembly (incl. clamps & steerer)
Brake Mount	Post-Mount – 220 mm rotor (standard)	Requires adapter – 200 / 203 mm rotor mount	Requires adapter – floating caliper mount
Construction	CNC-machined aluminum outers / 39 mm steel stanchions	Forged 7000-series aluminum outers / steel stanchions / DLC coating	7050-T6 aluminum outers / 43 mm hard-chrome steel stanchions / billet clamps
Performance Focus	Race-level MX-style control and stable damping for light e-motos	High-sensitivity enduro fork built for electric moto loads	Extreme strength and rigidity for heavier e-motos and aggressive riders
Price (USD)	$1,550 MSRP	$2,150 MSRP	$2,250 MSRP

Summary

The TECH E39 Fork represents the most balanced, proven, and cost-effective performance solution available for modern light e-motos. Engineered in Italy by TECH Racing Suspension and distributed by Pinned Electric for U.S. e-moto applications, it blends world-class construction with tuning precision that other forks in its class simply cannot match.

Superior Value: At $1,550 MSRP, the E39 delivers premium performance and build quality typically reserved for higher-priced competition, offering true race-level damping and control at a significantly lower cost.
Advanced Design: The closed-cartridge system provides unmatched consistency under heat and load — maintaining precise damping control where open or hybrid cartridge systems often fade.
Optimized Components: Its 39 mm stanchions and CNC-machined aluminum outers provide the perfect stiffness-to-weight ratio for electric motocross platforms, ensuring responsiveness without unnecessary bulk.
True Plug-and-Play: The E39 is the only fork in its category with a post-mount 220 mm brake system standard, allowing for direct compatibility and less hardware adaptation across popular e-moto models.
Rider Confidence: Whether on technical single-track or motocross courses, the E39 provides the most predictable front-end feel, stability, and precision — making it the clear choice for riders who demand both performance and reliability.

Pinned Electric’s Verdict:
The TECH E39 Fork stands at the top of the e-moto suspension category — combining superior materials, lower cost, race-proven performance, and factory-tuned reliability. For riders and dealers seeking the most refined and balanced suspension system on the market, the TECH E39 is the benchmark.

3.4 Photos & Visual References

Figure 1 — TECH E39 Fork (Full Assembly)

The TECH E39 Fork shown in its stock drop-crown configuration. The black anodized finish with silver TECH Suspension graphics on both fork tubes highlights the precision-machined construction and factory branding.

Figure 2 — Crown & Adjuster Close-Up

Top view showing the drop-crown assembly, preload adjusters, and compression/rebound clickers. Demonstrates the refined fitment and tool-free access points for rider tuning.

Figure 3 — Axle Clamp & Brake Mount Detail

Lower-leg detail featuring the CNC-machined axle clamps and post-mount 220 mm brake interface, unique to the TECH E39 among its competitors.

4. Specifications or Technical Data (Optional)

Specification	Detail
Manufacturer	TECH Racing Suspension – Italy
Distributor (U.S.)	Pinned Electric
Design Type	Closed-cartridge hydraulic system
Stanchion Diameter	39 mm hardened steel stanchions with low-friction bushings
Fork Travel	230 mm (9.05 in)
Axle Diameter	20 mm CNC-machined axle kit included
Crown Type	Drop crown assembly (pre-installed)
Brake Mount	Direct Post Mount – 220 mm rotor standard
Adjustability	22-click compression / 32-click rebound / spring preload (top caps)
Spring Type	Dual coil spring system (tunable rate range via optional kits)
Weight	≈ 7.7 kg (17 lb) complete assembly
Outer Tubes	CNC-machined aluminum alloy (black anodized finish)
Axle-to-Crown Length	770 mm (30.3 in)
Compatible Wheel Sizes	19″ or 21″ front wheel setups
Rotor Compatibility	220 mm direct mount / adapter optional for 200–203 mm
Warranty	12-Month Manufacturer Warranty (through Pinned Electric U.S.)

Notes

The closed-cartridge system ensures consistent damping across temperature and pressure changes, outperforming open-bath or hybrid designs.
Post-mount brake interface provides direct, rigid caliper alignment — eliminating adapter flex common on competitor forks.
Designed and tuned specifically for light e-motos, including Ventus V1 / V1+, Rerode R1, Talaria, Eride Pro, and Sur-Ron Light Bee.
Factory-tuned for a rider weight range of 150–180 lb; optional springs available for alternate setups.

5. Insights, Notes, and Recommendations

The TECH E39 Fork is designed to deliver precision control and stability for today’s high-performance light e-motos.
Below are key insights, setup guidelines, and professional recommendations to maximize performance and reliability.

🧩 General Insights

The closed-cartridge system ensures stable damping through prolonged, high-load conditions — eliminating the fade and inconsistency common in open-bath or hybrid air systems.
39 mm stanchions combined with a CNC-machined drop crown achieve an ideal stiffness-to-weight ratio, maintaining steering precision while absorbing heavy impacts.
The direct post-mount 220 mm brake interface provides stronger, more accurate braking with less flex than adapter-based systems used on competing forks.
All components are precision-machined in Italy by TECH Racing Suspension, ensuring long-term durability and factory-level consistency.

⚙️ Setup Recommendations

Factory Baseline Settings
- Compression: 10–12 clicks out from closed
- Rebound: 14–16 clicks out from closed
- Preload: 2–3 turns from minimum (150–180 lb rider weight)
Riders over 180 lb or frequently riding jump-heavy MX terrain may benefit from stiffer spring options (available through Pinned Electric).
For lighter riders or trail use, slightly reduce preload and open rebound 1–2 clicks to increase sensitivity.

🪛 Installation Notes

Axle torque: 15 Nm (20 mm axle).
Apply a light layer of suspension grease to stanchions before first use to reduce stiction.
Use 7.5 W–10 W suspension oil during servicing to preserve original damping characteristics.
Center the brake caliper on the 220 mm rotor before tightening bolts — the post-mount system simplifies alignment and increases stiffness.

💡 Dealer & Rider Recommendations

For optimal chassis balance, the TECH E39 Fork is best paired with the TECH Suspension by Formula – E-Moto Rear Shock, designed for Sur-Ron, 79 Bike, and Ventus platforms.
This matched front-and-rear setup provides uniform damping response, improved traction, and superior rider feedback under acceleration and braking.
Ideal for riders prioritizing motocross-grade handling, low maintenance, and uncompromised durability over lighter-duty air forks.
Recommended for high-output platforms (72 V–80 V systems) including Ventus V1 / V1+, Rerode R1 / R1+, Talaria MX3 / MX4, and Eride Pro.

🏁 Summary

The TECH E39 Fork, when paired with the TECH Suspension E-Moto Rear Shock, forms a complete suspension system purpose-built for electric motocross performance.
Together, they deliver unmatched balance, damping precision, and braking stability — making the TECH setup the definitive choice for riders and dealers seeking the highest-quality suspension solution in the light e-moto category.

6. Related Articles

🔧 [How to Install the TECH E39 Fork]
Step-by-step installation guide including torque specs, crown alignment, and brake setup for all compatible e-moto platforms.
⚙️ [TECH Suspension by Formula – E-Moto Rear Shock Overview]
Detailed specifications and setup instructions for the recommended rear-shock pairing with the TECH E39 Fork.
⚡ [Ventus Battery Specifications Overview]
Reference for electrical system compatibility and how suspension tuning interacts with 72 V – 80 V powertrains.