---
product_id: 23720240
title: "Progressive Suspension 412-4037B Black 11\" Standard Replacement Rear Suspension Shock"
brand: "progressive suspension"
price: "¥109617"
currency: JPY
in_stock: true
category: "Progressive Suspension"
url: https://www.desertcart.jp/products/23720240-progressive-suspension-412-4037b-black-11-standard-replacement-rear-suspension
store_origin: JP
region: Japan
---

# High-pressure gas 5-position adjuster Multistage damping Progressive Suspension 412-4037B Black 11" Standard Replacement Rear Suspension Shock

**Brand:** progressive suspension
**Price:** ¥109617
**Availability:** ✅ In Stock

## Summary

> 🏍️ Ride the Future of Comfort!

## Quick Answers

- **What is this?** Progressive Suspension 412-4037B Black 11" Standard Replacement Rear Suspension Shock by progressive suspension
- **How much does it cost?** ¥109617 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/23720240-progressive-suspension-412-4037b-black-11-standard-replacement-rear-suspension)

## Best For

- progressive suspension enthusiasts

## Why This Product

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

## Key Features

- • **Smooth Sailing:** High-pressure gas charged for consistent damping across all terrains.
- • **Sleek Aesthetics:** Standard progressive rate spring in a striking black finish.
- • **Tailored Comfort:** 5-position cam style preload adjuster for personalized tuning.
- • **Elevate Your Ride:** Experience unparalleled suspension performance with the 412 Series.
- • **Durability Meets Design:** Crafted with a steel double wall damper for lasting reliability.

## Overview

The Progressive Suspension 412-4037B is a heavy-duty rear suspension shock designed for street-cruiser motorcycles. With a robust steel double wall damper and multistage velocity-sensitive damping, it ensures a smooth ride. The adjustable preload and high-pressure gas charge enhance performance, making it a reliable upgrade for motorcycle enthusiasts.

## Description

Low buck factory replacement shock. Simply the best value shock on the market today. The 412 series proven, durable design means they will be an improvement to your motorcycle's suspension performance. The double-wall steel body construction with nitrogen charged, multi-staged velocity sensitive valve gives you smooth, consistent damping. A five position cam style preload adjuster lets you dial in your ride whether you're a light rider or heavy hitter. There is sure to be a 412 that's right for you and your bike. High pressure gas charged for consistent damping performance. Heavy duty progressive rate spring in chrome finish.

## Features

- Steel double wall damper with multistage velocity sensitive damping
- 5 Position cam style preload adjuster
- High pressure gas charged for consistent damping performance
- Standard progressive rate spring in black finish
- The 412 Series proven, durable design means they will be an improvement to your motorcycle's suspension performance

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000GRXBE4 |
| Auto Part Position | Rear |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #4,014,676 in Automotive ( See Top 100 in Automotive ) #3,682 in Powersports Shocks |
| Brand Name | Progressive Suspension |
| Compatible with Vehicle Type | street-cruiser-motorcycles |
| Customer Reviews | 4.4 4.4 out of 5 stars (19) |
| Extended Length | 11 inches |
| Exterior Finish | Chrome,Steel |
| Item Weight | 10 pounds |
| Manufacturer | Progressive Suspension |
| Manufacturer Part Number | 412-4037B |
| Material Type | Alloy Steel |
| Model Number | 412-4037B |
| Number of Items | 1 |
| Style Name | Heavy Duty |
| UPC | 953040129432 |
| Unit Count | 1 count |

## Product Details

- **Auto Part Position:** Rear
- **Brand:** Progressive Suspension
- **Exterior Finish:** Chrome,Steel
- **Style:** Heavy Duty
- **Vehicle Service Type:** street-cruiser-motorcycles

## Images

![Progressive Suspension 412-4037B Black 11" Standard Replacement Rear Suspension Shock - Image 1](https://m.media-amazon.com/images/I/81bsx08RTFL.jpg)

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- Progressive Suspension 412-4037B Black 11" Standard Replacement Rear Suspension Shock
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**Shop now:** [https://www.desertcart.jp/products/23720240-progressive-suspension-412-4037b-black-11-standard-replacement-rear-suspension](https://www.desertcart.jp/products/23720240-progressive-suspension-412-4037b-black-11-standard-replacement-rear-suspension)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-13*