---
product_id: 548484152
title: "9 Speed Groupset,Box Components Mountain Bike Drivetrain Upgrade 11 to 40T Bike Speed Cassette Crank Shift Lever Rear Derailleur Chain Set"
brand: "tbest"
price: "81.50 OMR"
currency: OMR
in_stock: true
url: https://www.desertcart.com.om/products/548484152-9-speed-groupset-box-components-mountain-bike-drivetrain-upgrade-11
store_origin: OM
region: Oman
---

# Rustproof design 9-speed freewheel Aluminum cranks 9 Speed Groupset,Box Components Mountain Bike Drivetrain Upgrade 11 to 40T Bike Speed Cassette Crank Shift Lever Rear Derailleur Chain Set

**Brand:** tbest
**Price:** 81.50 OMR
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Elevate Your Cycling Game with Every Shift!

## Quick Answers

- **What is this?** 9 Speed Groupset,Box Components Mountain Bike Drivetrain Upgrade 11 to 40T Bike Speed Cassette Crank Shift Lever Rear Derailleur Chain Set by tbest
- **How much does it cost?** 81.50 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/548484152-9-speed-groupset-box-components-mountain-bike-drivetrain-upgrade-11)

## Best For

- tbest enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** High-strength steel plate ensures durability and performance.
- • **DIY Customization:** Perfect for bike enthusiasts looking to personalize their ride.
- • **Transform Your Ride:** Upgrade to a 9-speed drivetrain for seamless gear transitions.
- • **Lightweight & Stylish:** Aluminum cranks combine strength with a sleek look.
- • **Smooth Shifting Guaranteed:** Multi-layer plating for rustproof reliability and effortless gear changes.

## Overview

The 9 Speed Groupset from Box Components is a comprehensive mountain bike drivetrain upgrade, featuring a robust 9-speed freewheel, lightweight aluminum cranks, and a rustproof design for smooth shifting. Ideal for DIY enthusiasts, this set allows riders to enhance their bike's performance and style.

## Description

9 Speed Groupset,Box Components Mountain Bike Drivetrain Upgrade 11 to 40T Bike Speed Cassette Crank Shift Lever Rear Derailleur Chain Set

## Features

- Multiple gear set: Includes 9-speed freewheel, hollow integrated crank, gear lever, rear derailleur, chain, tail hook and other accessories.
- Steel plate: The freewheel is made from high strength steel plate, hardened, tempered and hardened to be extremely robust.
- Rustproof: The is plated in multiple layers for and the drop gear design ensures smooth shifting.
- Aluminium cranks: The cranks are made from aluminium for strength, light weight, stylish looks, axial strength and wide compatibility.
- DIy your bike: This set is for family or friends who like to ride, allowing them to DIY their own and improve performance.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Package Dimensions L x W x H | 10.24 x 7.09 x 5.91 inches |
| Package Weight | 2300 Grams |
| Brand Name | Tbest |
| Model Name | Tbestb4gwv3dsmi-13 |
| Color | Black |
| Material | Aluminum |
| Manufacturer | Tbest |
| Part Number | Tbestb4gwv3dsmi-13 |
| Size | 36T Chainring |

## Product Details

- **Brand:** Tbest
- **Color:** Black
- **Material:** Aluminum
- **Case Material:** Aluminum Alloy
- **Manufacturer:** Tbest

## Images

![9 Speed Groupset,Box Components Mountain Bike Drivetrain Upgrade 11 to 40T Bike Speed Cassette Crank Shift Lever Rear Derailleur Chain Set - Image 1](https://m.media-amazon.com/images/I/711AM3joE9L.jpg)
![9 Speed Groupset,Box Components Mountain Bike Drivetrain Upgrade 11 to 40T Bike Speed Cassette Crank Shift Lever Rear Derailleur Chain Set - Image 2](https://m.media-amazon.com/images/I/61Su4vSDElL.jpg)
![9 Speed Groupset,Box Components Mountain Bike Drivetrain Upgrade 11 to 40T Bike Speed Cassette Crank Shift Lever Rear Derailleur Chain Set - Image 3](https://m.media-amazon.com/images/I/71gvqfLZmXL.jpg)
![9 Speed Groupset,Box Components Mountain Bike Drivetrain Upgrade 11 to 40T Bike Speed Cassette Crank Shift Lever Rear Derailleur Chain Set - Image 4](https://m.media-amazon.com/images/I/71l3o5DiYvL.jpg)
![9 Speed Groupset,Box Components Mountain Bike Drivetrain Upgrade 11 to 40T Bike Speed Cassette Crank Shift Lever Rear Derailleur Chain Set - Image 5](https://m.media-amazon.com/images/I/71nwX-RLe0L.jpg)

## Available Options

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

## Frequently Bought Together

- 9 Speed Groupset,Box Components Mountain Bike Drivetrain Upgrade 11 to 40T Bike Speed Cassette Crank Shift Lever Rear Derailleur Chain Set
- ZONKIE 6/7/8 Speed Bike Chain 1/2 x 3/32 Inch 116 Links

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**Shop now:** [https://www.desertcart.com.om/products/548484152-9-speed-groupset-box-components-mountain-bike-drivetrain-upgrade-11](https://www.desertcart.com.om/products/548484152-9-speed-groupset-box-components-mountain-bike-drivetrain-upgrade-11)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-02-17*