---
product_id: 325898124
title: "ZUKKA Bicycle Shifter 21 Speed Bicycle Brake Levers Shifter Lever 3 x 7 Speed with Gear Indicator and V Brake Cable Left and Right Shifter Mountain Bike Kids Bike Tricycle Shifter with Grips(Pair)"
brand: "zukka"
price: "1194224₫"
currency: VND
in_stock: true
reviews_count: 10
category: "Zukka"
url: https://www.desertcart.vn/products/325898124-zukka-bicycle-shifter-21-speed-bicycle-brake-levers-shifter-lever
store_origin: VN
region: Vietnam
---

# Clear gear indicator window Durable aluminum alloy build 21-speed precision control ZUKKA Bicycle Shifter 21 Speed Bicycle Brake Levers Shifter Lever 3 x 7 Speed with Gear Indicator and V Brake Cable Left and Right Shifter Mountain Bike Kids Bike Tricycle Shifter with Grips(Pair)

**Brand:** zukka
**Price:** 1194224₫
**Availability:** ✅ In Stock

## Summary

> ⚡ Shift Smarter, Ride Stronger — Own the Trail with Every Click!

## Quick Answers

- **What is this?** ZUKKA Bicycle Shifter 21 Speed Bicycle Brake Levers Shifter Lever 3 x 7 Speed with Gear Indicator and V Brake Cable Left and Right Shifter Mountain Bike Kids Bike Tricycle Shifter with Grips(Pair) by zukka
- **How much does it cost?** 1194224₫ 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/325898124-zukka-bicycle-shifter-21-speed-bicycle-brake-levers-shifter-lever)

## Best For

- zukka enthusiasts

## Why This Product

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

## Key Features

- • **Intuitive Gear Indicator:** Stay in the zone with a quick-glance gear display that keeps you informed and in command.
- • **Seamless 21-Speed Shifting:** Effortlessly glide through 3x7 gears with minimal finger pressure for ultimate ride control.
- • **Ambidextrous Design with Grips:** Perfectly balanced left and right shifters with ergonomic grips for confident handling.
- • **Easy Installation & Compatibility:** Direct replacement for Shimano ST-EF51, ensuring a perfect fit and hassle-free upgrade.
- • **Robust Aluminum Alloy Construction:** Engineered for longevity and weather resistance, built to endure your daily adventures.

## Overview

The ZUKKA 21-Speed Bicycle Shifter lever set offers precise 3x7 gear control with a clear gear indicator window, crafted from durable aluminum alloy for maximum longevity and weather resistance. Designed for easy installation and ambidextrous use, it delivers smooth, low-effort shifting compatible with popular Shimano models, making it the perfect upgrade for mountain, kids, or tricycle bikes.

## Description

desertcart.com : ZUKKA Bicycle Shifter 21 Speed Bicycle Brake Levers Shifter Lever 3 x 7 Speed with Gear Indicator and V Brake Cable Left and Right Shifter Mountain Bike Kids Bike Tricycle Shifter with Grips(Pair) : Sports & Outdoors

Review: Identical to Shimano - Replacing my Shimano St-ef51 right 7 gears and it works good. I even reused the Shimano cover on this one ant it fits.
Review: easy install - perfect fit for replacement. sturdy construction and good quality. even though i needed only one side had to replace both sides for looks

## Features

- MODEL: 21 Speed bicycle shifter lever with handle grips set. Compatible for: left gear shifter for 3 speed and only right shifter for 7 speed and both left and right shifter for 3x7 speed.
- Gear View Window: These gear shifters come with an intuitive gear display that allows for a clear and quick view of gears and more accurate operation of the finger and dial shift controller, helping riders understand the current gear ratio and adjust it according to road conditions and needs.
- Durable Construction: Made of high-quality materials, made of durable aluminum alloy material, with optimal working performance and maximum safety and longevity, enough to withstand the rigors of daily riding, including exposure to weather factors and mechanical wear.
- Easy to Operate: Designed for ease of use, this bike shifter can be activated with minimal finger pressure and seamlessly moves up or down through gears without the rider removing their hand from the handlebars.
- MATERIAL: Made of durable aluminum alloy material, which work perfectly for optimum performance and maximum safety and longevity.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B092HLZ4SR |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #58,775 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #9 in Bike Shift Levers |
| Brand | ZUKKA |
| Color | 3x7 speed |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.5 4.5 out of 5 stars (336) |
| Date First Available | April 14, 2021 |
| Exterior Finish | Aluminum |
| Finish | Oil Rubbed |
| Hand Orientation | Ambidextrous |
| Handle Attachment Mechanism | clamp |
| Handle Material | Aluminum |
| Included Components | bike shifter |
| Item Weight | 12.6 ounces |
| Item model number | ST-EF51 |
| Manufacturer | ZUKKA |
| Material | Aluminum |
| Metal Type | Aluminum |
| Number Of Pieces | 2 |
| Number of Items | 1 |
| Part Number | ZK-STEF51-3X7 |
| Product Dimensions | 3"L x 1"W |
| Special Feature | Durable, Easy to Install |
| Special Features | Durable, Easy to Install |
| Unit Count | 1 Count |

## Product Details

- **Brand:** ZUKKA
- **Color:** 3x7 speed
- **Material:** Aluminum
- **Product Dimensions:** 3"L x 1"W
- **Style:** Compatible

## Images

![ZUKKA Bicycle Shifter 21 Speed Bicycle Brake Levers Shifter Lever 3 x 7 Speed with Gear Indicator and V Brake Cable Left and Right Shifter Mountain Bike Kids Bike Tricycle Shifter with Grips(Pair) - Image 1](https://m.media-amazon.com/images/I/71oAM6dKBDL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Identical to Shimano
*by B***N on December 8, 2025*

Replacing my Shimano St-ef51 right 7 gears and it works good. I even reused the Shimano cover on this one ant it fits.

### ⭐⭐⭐⭐⭐ easy install
*by M***C on September 1, 2025*

perfect fit for replacement. sturdy construction and good quality. even though i needed only one side had to replace both sides for looks

### ⭐⭐⭐⭐ Tight fit, good value.
*by E***R on December 11, 2025*

Tight going on the handlebar. Adjusted ok. Pretty easy to install; not as good as a name-brand (Shimano), obviously. Excellent value for the price. It got me back on the road and I'm happy about it.

## Frequently Bought Together

- ZUKKA Bicycle Shifter 21 Speed Bicycle Brake Levers Shifter Lever 3 x 7 Speed with Gear Indicator and V Brake Cable Left and Right Shifter Mountain Bike Kids Bike Tricycle Shifter with Grips(Pair)
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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-14*