The Full-E Charged Rear FastAce Shock Spring 550 lb (Black) is a stiffer-rate replacement coil spring for the FastAce rear shock on Talaria Sting Offroad and Sting Onroad. 550 lb rate vs stock (~450-500 lb) — recommended for riders 90 kg+ or aggressive trail use.
Full-E Charged Rear Black Fastace Shock Absorber Spring 550 Lbs
$45.00
Description
Last reviewed: 14 May 2026 by Talaria USA Editorial Team, 10+ years e-moto rider and mechanic.
The Talaria shock spring (Full-E Charged 550 lb, black) is a stiffer-rate replacement coil spring for the FastAce rear shock on Talaria Sting trims. 550 lb spring rate is stiffer than stock — recommended for riders 90 kg+ or aggressive trail use where stock rate bottoms out.
Talaria Shock Spring: Rate Profile
Spring rate is the foundation of rear suspension setup. Stock Talaria FastAce shocks ship with a rate sized for ~75 kg riders; heavier riders sag past the optimum and bottom out on hard hits. The 550 lb spring restores proper sag and rebound behaviour. Fitment runs across the Talaria Sting platform, with model-specific notes below.
| Model | Fits | Notes |
|---|---|---|
| Talaria Sting Offroad (TL3000) with FastAce shock | Yes | Direct spring swap |
| Talaria Sting Onroad (TL45) with FastAce shock | Yes | Direct spring swap |
| Talaria Sting 4000 (TL4000) | Verify with installer | Verify FastAce shock spec |
| Talaria with non-FastAce shock | No | Spring is FastAce-specific |
| Talaria MX5 Pro / Komodo / Dragon | No | Different shock design |
Specs at a Glance
| Spec | Value |
|---|---|
| Spring rate | 550 lb (stiffer than stock) |
| Finish | Black powder-coated |
| Compatible shock | FastAce rear shock (factory-fit on early Sting trims) |
| Recommended rider weight | 90 kg+ or aggressive trail use |
| Manufacturer | Full-E Charged |
For heavier riders or those who frequently bottom the rear suspension, the 550 lb upgrade is the cheapest meaningful suspension improvement. Pair with damping-clicker adjustments for the best results. See the rest of our Talaria parts catalogue for matching components.
Install Notes
Difficulty: Moderate. Requires shock removal and spring compression. Tools: spring compressor, shock spanner wrench, torque wrench. Time: 45-60 minutes. WARNING: shock spring under load stores significant energy. Use proper spring compressor and follow shock manufacturer instructions. After install, set sag to 25-30% rider sag (typically 30-40 mm).
Frequently Asked
How do I know if I need a stiffer spring?
If you bottom the rear suspension on moderate hits, ride frequently over rough terrain, weigh 90 kg+, or notice rider sag well past 30%, the 550 lb spring is the upgrade. Riders under 75 kg should stick with stock rate.
Can I install the spring with the shock on the bike?
No — shock must come off for spring swap. The spring is captive and requires a spring compressor to extract and reinstall safely.
Trust Signals & Warranty
Full-E Charged backs suspension springs against manufacturing defects. Talaria USA covers a 30-day return window on unmodified parts and ships from our US warehouse in 2-4 business days.
Quick Comparison
| Full-E Charged Rear Black Fastace Shock Absorber Spring 550 Lbs | Top Yoke (DNM) for TL45, Sting, Sting R | Top Yoke (RST) for TL45, Sting | Bottom Yoke (DNM) for TL45, Sting, Sting R | Rear Shock Absorber (FastAce) for TL45, Sting, Sting R | |
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| SKU | — | — | — | — | — |
| Rating | |||||
| Price | $45.00 | $40.00 | $38.80 | $71.99 | $179.99 |
| Spring rate | 550 lb | N/A | N/A | N/A | N/A |
| Position | Rear shock | Top yoke (upper triple clamp) | Top yoke (upper triple clamp) | Bottom yoke (lower triple clamp) | Rear |
| Finish | Black powder-coat | N/A | N/A | N/A | N/A |
| Manufacturer | Full-E Charged | Talaria | Talaria | Talaria | FastAce |
| Fits | FastAce rear shock on TL3000, TL45 | TL3000, TL4000, TL45, TL50 with DNM fork | TL3000, TL45 with RST fork | TL3000, TL4000, TL45, TL50 with DNM fork | TL3000, TL4000, TL45, TL50 |
| Fork variant | N/A | DNM (black cap) | RST (red cap) | DNM (black cap) | N/A |
| Material | N/A | OEM Talaria | OEM Talaria | OEM Talaria | N/A |
| Type | N/A | N/A | N/A | N/A | Oil-damped, non-air |
| Reference OE | N/A | N/A | N/A | N/A | 155300079 |
| Description | The Full-E Charged Rear FastAce Shock Spring 550 lb (Black) is a stiffer-rate replacement coil spring for the FastAce rear shock on Talaria Sting Offroad and Sting Onroad. 550 lb rate vs stock (~450-500 lb) — recommended for riders 90 kg+ o… | The Talaria Top Yoke (DNM) is the OEM upper triple-clamp for four Sting models with DNM forks: Sting 4000, Sting Offroad, Sting Onroad, Sting R Road Legal. Identify your fork by the black cap before ordering — RST-fork bikes use a different… | The Talaria Top Yoke (RST) is the OEM upper triple-clamp for Talaria Sting Offroad (TL3000) and Sting Onroad (TL45) trims with the RST front fork. Direct replacement; not compatible with DNM or FastAce fork variants. | The Talaria Bottom Yoke (DNM) is the OEM lower triple-clamp for Sting trims with DNM forks — fits Sting 4000, Sting Offroad, Sting Onroad, Sting R Road Legal. Pair with SKU 1555 (top yoke) for complete crash-damage replacement. | The FastAce Rear Shock Absorber is the OEM-grade replacement for the Talaria Sting series — fits Sting 4000 (TL4000), Sting Offroad (TL3000), Sting Onroad (TL45), Sting R Road Legal (TL50). Oil-damped, factory mount geometry, bolt-on instal… |
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