---
product_id: 578158137
title: "Bike Gear Shifter, 3x7 21 Speed Shifter Brake Lever Set for Mountain Bike, Road Bike, MTB,Bicycle"
brand: "mycheng"
price: "A$41"
currency: AUD
in_stock: true
reviews_count: 9
category: "Mycheng"
url: https://www.desertcart.com.au/products/578158137-bike-gear-shifter-3x7-21-speed-shifter-brake-lever-set
store_origin: AU
region: Australia
---

# 21-speed precision control Aluminum alloy durability Universal MTB & road compatibility Bike Gear Shifter, 3x7 21 Speed Shifter Brake Lever Set for Mountain Bike, Road Bike, MTB,Bicycle

**Brand:** mycheng
**Price:** A$41
**Availability:** ✅ In Stock

## Summary

> ⚡ Shift Fast, Brake Smart — Own the Ride!

## Quick Answers

- **What is this?** Bike Gear Shifter, 3x7 21 Speed Shifter Brake Lever Set for Mountain Bike, Road Bike, MTB,Bicycle by mycheng
- **How much does it cost?** A$41 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/578158137-bike-gear-shifter-3x7-21-speed-shifter-brake-lever-set)

## Best For

- mycheng enthusiasts

## Why This Product

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

## Key Features

- • **Fits All Your Rides:** Compatible with mountain, road, and hybrid bikes for versatile performance.
- • **Lightweight Yet Rugged:** Crafted from premium aluminum alloy for durability without the bulk.
- • **Effortless Installation:** Swap out old shifters in minutes—no mechanic needed, just ride.
- • **Integrated Brake Levers:** Dual-function design combining precise shifting with responsive braking.
- • **Seamless 21-Speed Shifting:** Master every terrain with ultra-smooth gear transitions across 3x7 speeds.

## Overview

Upgrade your bike with this 3x7 21-speed shifter and brake lever set, engineered from high-quality aluminum alloy for a lightweight yet durable build. Designed for smooth, precise gear changes and reliable braking, it fits handlebars 21-23mm in diameter and is compatible with mountain, road, and hybrid bikes. Easy to install and maintain, this set enhances your cycling experience with a sleek, modern look and dependable performance.

## Description

Mejora tu bicicleta con nuestro juego de manetas de freno y cambio de 3x7 velocidades, diseñado para cambios de marcha suaves y un frenado confiable.Este set es compatible con una amplia variedad de desviadores delanteros y modelos de bicicleta (MTB, ruta e híbridas). Fácil de instalar y reemplazar, es perfecto para el mantenimiento rutinario o la sustitución de palancas antiguas.Fabricado con excelente mano de obra, es ligero pero resistente, garantizando un uso prolongado. Disfrutarás de un cambio preciso, una respuesta de frenado rápida y una experiencia de ciclismo mejorada. Además de su funcionalidad, su diseño moderno añade un toque elegante a tu bicicleta.Especificaciones:Velocidad: 3x7 (configuración opcional 21 velocidades)Aplicación: Apto para diferentes bicicletas y transmisionesInstalación: Proceso rápido y sencillo de sustituciónDiseño: Palanca izquierda – 3 velocidades; Palanca derecha – 7 velocidades; con frenos integradosVentajas:✔️ Cambio de marcha suave y preciso✔️ Potente capacidad de frenado✔️ Construcción duradera y ligera✔️ Fácil de usar y mantener✔️ Compatible con diversos estilos de ciclismoInvierte en un accesorio confiable y práctico que mejorará tu rendimiento y comodidad al montar.

Review: The perfect fit. To - They fit perfect the cable is made of high quality very easy to install. Good value for the price.
Review: Worked great - Sometimes other shifters don’t work with other derailures. Perfect match here. Worked great as a substitute for shimano shifters

## Features

- 【Reliable Shifting and Braking Upgrade】 Choose the 3X7 bike gear shifter to enhance the shifting and braking performance of your bicycle, ensuring a smooth riding experience.
- 【High-Quality Material】- This 3x7 21-speed bike brake lever shifter is made of high-quality aluminum alloy, ensuring durability and lightweight. With a 3-speed control on the left and a 7-speed control on the right, it offers a total of 21 gears to choose from. Each shifter comes with cables for precise and consistent shifting performance.
- 【Easy Installation and Replacement】With this bicycle gear shifter brake set, you can simplify bike maintenance and easily replace old shifting mechanisms. Conveniently install and replace your bike's gear shifter brake system with ease.
- 【Exquisite Craftsmanship, Long-lasting Durability】7-speed bike gear shifter kit with clear gear indicator for easy and precise shifting.Durable construction ensures long-lasting performance, making your bike both stylish and reliable.
- 【Wide Range of Applications】Compatible with bike handlebars with a diameter of 21-23mm, this bike gear shifter is an ideal accessory for mountain bikes, road bikes, folding bikes, Bicycle repair shop and more. Please ensure the brake lever shifter is suitable for your bike before making a purchase.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CBYG56CT |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #120,323 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #30 in Bike Shift Levers |
| Brand | mycheng |
| Color | Black |
| Customer Package Type | FFP |
| Customer Reviews | 4.2 4.2 out of 5 stars (199) |
| Date First Available | July 16, 2023 |
| Exterior Finish | Aluminum |
| Finish | Polished" or "Brushed |
| Hand Orientation | Ambidextrous |
| Handle Attachment Mechanism | Clamp |
| Handle Material | Aluminum |
| Included Components | 3x7 21 Speed Shifter with Gear Indicator and V Brake Cable |
| Indoor/Outdoor Usage | Outdoor |
| Item Depth | 3.2 inches |
| Item Package Quantity | 1 |
| Item Weight | 2.4 ounces |
| Item model number | bike shifter 7 speed |
| Manufacturer | mycheng |
| Material | Aluminum |
| Metal Type | Aluminum |
| Number Of Pieces | 21 |
| Number of Items | 2 |
| Part Number | bike shifter 7 speed |
| Product Dimensions | 3.2"L x 0.4"W |
| Special Feature | 7 speed shifter |
| Special Features | 7 speed shifter |
| Specific Uses For Product | Mountain Bike, Road Bike, Mtb ,Bicycle |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** mycheng
- **Color:** Black
- **Material:** Aluminum
- **Product Dimensions:** 3.2"L x 0.4"W
- **Style:** Seamless

## Images

![Bike Gear Shifter, 3x7 21 Speed Shifter Brake Lever Set for Mountain Bike, Road Bike, MTB,Bicycle - Image 1](https://m.media-amazon.com/images/I/41GdCqNLx4L.jpg)
![Bike Gear Shifter, 3x7 21 Speed Shifter Brake Lever Set for Mountain Bike, Road Bike, MTB,Bicycle - Image 2](https://m.media-amazon.com/images/I/41OK83LjvhL.jpg)
![Bike Gear Shifter, 3x7 21 Speed Shifter Brake Lever Set for Mountain Bike, Road Bike, MTB,Bicycle - Image 3](https://m.media-amazon.com/images/I/41bOqBs7kfL.jpg)
![Bike Gear Shifter, 3x7 21 Speed Shifter Brake Lever Set for Mountain Bike, Road Bike, MTB,Bicycle - Image 4](https://m.media-amazon.com/images/I/51-fHm0XdTL.jpg)
![Bike Gear Shifter, 3x7 21 Speed Shifter Brake Lever Set for Mountain Bike, Road Bike, MTB,Bicycle - Image 5](https://m.media-amazon.com/images/I/51S7-4gXH1L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ The perfect fit. To
*by G***. on July 4, 2025*

They fit perfect the cable is made of high quality very easy to install. Good value for the price.

### ⭐⭐⭐⭐⭐ Worked great
*by S***C on December 26, 2025*

Sometimes other shifters don’t work with other derailures. Perfect match here. Worked great as a substitute for shimano shifters

### ⭐⭐⭐⭐ Good Product
*by M***Z on May 29, 2025*

worked well did have a minor problem with the shifting one time other than they worked. the installation wasnt to hard.

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**Shop now:** [https://www.desertcart.com.au/products/578158137-bike-gear-shifter-3x7-21-speed-shifter-brake-lever-set](https://www.desertcart.com.au/products/578158137-bike-gear-shifter-3x7-21-speed-shifter-brake-lever-set)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-01-31*