---
product_id: 159277947
title: "BOLANY 8-9-10-11-12 Speed Cassette 11-32T 11-36T 11-40T 11-42T 11-46T 11-50T 11-52T Wide Ratio MTB Bicycle Part Freewheel Sprocket with Rear Derailleur Extension (9 speed 11-50T)"
brand: "bolany"
price: "4290642₫"
currency: VND
in_stock: true
reviews_count: 4
url: https://www.desertcart.vn/products/159277947-bolany-8-9-10-11-12-speed-cassette-11-32t
store_origin: VN
region: Vietnam
---

# High Tension Steel 8-12 Speed Compatibility Weather Resistant BOLANY 8-9-10-11-12 Speed Cassette 11-32T 11-36T 11-40T 11-42T 11-46T 11-50T 11-52T Wide Ratio MTB Bicycle Part Freewheel Sprocket with Rear Derailleur Extension (9 speed 11-50T)

**Brand:** bolany
**Price:** 4290642₫
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Elevate Your Cycling Game!

## Quick Answers

- **What is this?** BOLANY 8-9-10-11-12 Speed Cassette 11-32T 11-36T 11-40T 11-42T 11-46T 11-50T 11-52T Wide Ratio MTB Bicycle Part Freewheel Sprocket with Rear Derailleur Extension (9 speed 11-50T) by bolany
- **How much does it cost?** 4290642₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/159277947-bolany-8-9-10-11-12-speed-cassette-11-32t)

## Best For

- bolany enthusiasts

## Why This Product

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

## Key Features

- • **Rust No More:** Nickel-plated surface ensures a bright, rust-free finish.
- • **Built to Last:** Crafted from high tension steel for unmatched durability.
- • **Unleash Your Ride:** Experience seamless shifting with 8-12 speed compatibility.
- • **Precision Engineering:** Includes CNC rear derailleur hanger extension for perfect alignment.
- • **Versatile Gear Ratios:** Choose from a wide range of tooth ratios (11-32T to 11-52T) for any terrain.

## Overview

The BOLANY 8-9-10-11-12 Speed Cassette is a high-performance bicycle part designed for mountain biking enthusiasts. With a wide range of gear ratios and durable materials, this freewheel sprocket ensures smooth shifting and longevity, making it an essential upgrade for any serious cyclist.

## Description

BOLANY 8-9-10-11-12 Speed Cassette 11-32T 11-36T 11-40T 11-42T 11-46T 11-50T 11-52T Wide Ratio MTB Bicycle Part Freewheel Sprocket with Rear Derailleur Extension (9 speed 11-50T)

## Features

- Flywheel Adjustable Gear Number 8/9/10/11/12speed
- Tooth ratio:11 42T Cassette Cogs 11 32/36/40/42/46/50/52T
- Material:high tension steel, wear resistant,nickel plated surface, bright silver, no rust
- With CNC Rear Derailleur Hanger Extension

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Batteries included? | No |
| Brand | BOLANY |
| Manufacturer reference | BIKECO-04020 |
| Package Dimensions | 22.2 x 21.4 x 3.9 cm; 460 g |
| ASIN | B07Q98Q8JM |

## Images

![BOLANY 8-9-10-11-12 Speed Cassette 11-32T 11-36T 11-40T 11-42T 11-46T 11-50T 11-52T Wide Ratio MTB Bicycle Part Freewheel Sprocket with Rear Derailleur Extension (9 speed 11-50T) - Image 1](https://m.media-amazon.com/images/I/71ahvwAsI0L.jpg)
![BOLANY 8-9-10-11-12 Speed Cassette 11-32T 11-36T 11-40T 11-42T 11-46T 11-50T 11-52T Wide Ratio MTB Bicycle Part Freewheel Sprocket with Rear Derailleur Extension (9 speed 11-50T) - Image 2](https://m.media-amazon.com/images/I/71pW9yIcH0L.jpg)
![BOLANY 8-9-10-11-12 Speed Cassette 11-32T 11-36T 11-40T 11-42T 11-46T 11-50T 11-52T Wide Ratio MTB Bicycle Part Freewheel Sprocket with Rear Derailleur Extension (9 speed 11-50T) - Image 3](https://m.media-amazon.com/images/I/51cQ6MupMWL.jpg)
![BOLANY 8-9-10-11-12 Speed Cassette 11-32T 11-36T 11-40T 11-42T 11-46T 11-50T 11-52T Wide Ratio MTB Bicycle Part Freewheel Sprocket with Rear Derailleur Extension (9 speed 11-50T) - Image 4](https://m.media-amazon.com/images/I/51YKKEVdCmL.jpg)
![BOLANY 8-9-10-11-12 Speed Cassette 11-32T 11-36T 11-40T 11-42T 11-46T 11-50T 11-52T Wide Ratio MTB Bicycle Part Freewheel Sprocket with Rear Derailleur Extension (9 speed 11-50T) - Image 5](https://m.media-amazon.com/images/I/511Mu-qxnoL.jpg)

## Customer Reviews

### ⭐ 1.0 out of 5 stars







  
  
    Damaged cassette ring
  

*by M***K on Reviewed in the United Kingdom on 6 June 2024*

I had this product for roughly 20 days for it to completely brake apart while using it, absolutely disgusted that it was not built to last

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Good value
  

*by J***N on Reviewed in the United Kingdom on 31 March 2021*

Solid construction , shifts well came faster than advised

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Good cassette for the money
  

*by B***D on Reviewed in the United Kingdom on 11 August 2019*

Works perfect, thanks

## Frequently Bought Together

- BOLANY 8-9-10-11-12 Speed Cassette 11-32T 11-36T 11-40T 11-42T 11-46T 11-50T 11-52T Wide Ratio MTB Bicycle Part Freewheel Sprocket (9 Speed 11-50T)
- FGBNM Single/6/7/8/9/10/11/12 Speed Bike Chain, Bike Chain for Road Mountain Racing Cycling

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**Shop now:** [https://www.desertcart.vn/products/159277947-bolany-8-9-10-11-12-speed-cassette-11-32t](https://www.desertcart.vn/products/159277947-bolany-8-9-10-11-12-speed-cassette-11-32t)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-04-26*