---
product_id: 540342400
title: "340mm/13.4\" Rebound Damping Universal 7mm Spring Rear Suspension Air Shock Absorber MTB Motorcycle For BWS 125 Dirt Bike Gokart Quad ATV Nmax Xmax Aerox"
brand: "hegeiisy"
price: "1936 kr"
currency: DKK
in_stock: true
url: https://www.desertcart.dk/products/540342400-340mm-13-4-rebound-damping-universal-7mm-spring-rear-suspension
store_origin: DK
region: Denmark
---

# 340mm eye-to-eye length 7mm adjustable spring thickness 250kg max load per pair 340mm/13.4" Rebound Damping Universal 7mm Spring Rear Suspension Air Shock Absorber MTB Motorcycle For BWS 125 Dirt Bike Gokart Quad ATV Nmax Xmax Aerox

**Brand:** hegeiisy
**Price:** 1936 kr
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate your ride with precision damping — because every bump deserves mastery.

## Quick Answers

- **What is this?** 340mm/13.4" Rebound Damping Universal 7mm Spring Rear Suspension Air Shock Absorber MTB Motorcycle For BWS 125 Dirt Bike Gokart Quad ATV Nmax Xmax Aerox by hegeiisy
- **How much does it cost?** 1936 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/540342400-340mm-13-4-rebound-damping-universal-7mm-spring-rear-suspension)

## Best For

- hegeiisy enthusiasts

## Why This Product

- Trusted hegeiisy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Heavy-Duty Load Capacity:** Supports up to 250kg per pair, perfect for riders demanding both comfort and strength.
- • **High-Performance Damping:** Low-friction piston rod and N.O.K oil seals ensure smooth rebound and superior shock absorption on any terrain.
- • **Adjustable Spring Tension:** Customize your ride comfort and handling with a 7mm thick spring featuring built-in preload adjustment.
- • **Universal Fit for Versatility:** Compatible with a wide range of motorcycles, ATVs, gokarts, and dirt bikes—your all-in-one suspension upgrade.
- • **Precision CNC Machined Durability:** Engineered with high-strength steel and aluminum alloy for over 1 million cycles of reliable performance.

## Overview

This 340mm rear suspension air shock absorber combines solid steel and aluminum alloy construction with precision CNC machining to deliver durable, adjustable damping for motorcycles, ATVs, and gokarts. Featuring a 7mm thick spring with preload adjustment and a max load capacity of 250kg per pair, it ensures smoother rides, enhanced handling, and long-lasting performance compatible with a broad range of popular models.

## Description

Description：Material: Solid Steel+Aluminium Alloy. Eye To Eye Center Length: 340mm (13.4 inch). Eye thickness: 21mm. Thickness of the spring: 7mm. Spring width: 65mm. Max loading: 250kg/pair 550lb/pair. The shock absorber is a modified universal type, compatible with most MTB Motorcycle Motocross. Before purchasing, please confirm the mounting hole distance. Universal fit for most vehicles, like mt07 ano 2016 FJR 1300 XR250 CBR 125 R Ninja Ex 250 R CBR 1100 Xx Super Blackbird NC750D CBR600RR CBR1000RR CB500 YZF-R1 YZF-R6 YZF-125 XC EXC XCF R800GS R1200GS, etc. The spring of this shock absorber is adjustable, but the length is not adjustable.

## Features

- Eye thickness: 21mm. Thickness of the spring: 7mm. Spring width: 65mm. Max loading: 250kg/pair 550lb/pair.
- Recovery damping design, hard anodized, low friction piston rod and eyelet, built-in adjustable preload for all applications. Precision CNC machined components, a variety of spring rates are available to use with a variety of riders. Multiple bearing size options for more street and retro bikes.
- Oil seal by N.O.K (japanese high standard). The eye of shock has tensile strength moree than 2000kgf. The dumper and spring designed for long durability(more than 1 million).
- High-performance air shock absorber: The suspension provides smoother driving and better overall damping management, improving driving comfort, motorcycle handling and driving safety. It is good quality and replacement for some Gokart Quad and ATV.
- Compatible with CB400SF (NC31/NC39/NC42), CB400SS/CL400, etc. The spring of this shock absorber is adjustable, but the length is not adjustable. XJR400 (4HM/RH02J), SR400/SR500, etc. GSX400 Impulse (GK79A/GK7CA), etc. Zephyr400 (body number: ZR400C). Most 50cc, 75cc, 90cc, 125cc, 150cc, 250cc, 300cc street cars, off-road vehicles, karts, ATVs, motorcycles and quad bikes.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Hegeiisy |
| Brand | Hegeiisy |
| Model | ZN57 |
| Package Dimensions | 45.59 x 23.7 x 7.8 cm; 4 kg |
| Item model number | ZN57 |
| Exterior | Aluminium |
| Manufacturer part number | ZN57 |
| Position | Rear |
| Item Weight | 4 kg |

## Product Details

- **Brand:** Hegeiisy
- **Auto part position:** Rear
- **Style:** Modern
- **Vehicle service type:** Motorcycle
- **Exterior finish:** Aluminium

## Images

![340mm/13.4" Rebound Damping Universal 7mm Spring Rear Suspension Air Shock Absorber MTB Motorcycle For BWS 125 Dirt Bike Gokart Quad ATV Nmax Xmax Aerox - Image 1](https://m.media-amazon.com/images/I/41tMHuxlxBL.jpg)
![340mm/13.4" Rebound Damping Universal 7mm Spring Rear Suspension Air Shock Absorber MTB Motorcycle For BWS 125 Dirt Bike Gokart Quad ATV Nmax Xmax Aerox - Image 2](https://m.media-amazon.com/images/I/41VGUmwfaYL.jpg)
![340mm/13.4" Rebound Damping Universal 7mm Spring Rear Suspension Air Shock Absorber MTB Motorcycle For BWS 125 Dirt Bike Gokart Quad ATV Nmax Xmax Aerox - Image 3](https://m.media-amazon.com/images/I/31ZggJyzriL.jpg)
![340mm/13.4" Rebound Damping Universal 7mm Spring Rear Suspension Air Shock Absorber MTB Motorcycle For BWS 125 Dirt Bike Gokart Quad ATV Nmax Xmax Aerox - Image 4](https://m.media-amazon.com/images/I/41xbBgCQjsL.jpg)

## Available Options

This product comes in different **Size Name** options.

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**Shop now:** [https://www.desertcart.dk/products/540342400-340mm-13-4-rebound-damping-universal-7mm-spring-rear-suspension](https://www.desertcart.dk/products/540342400-340mm-13-4-rebound-damping-universal-7mm-spring-rear-suspension)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-01-28*