---
product_id: 358191004
title: "WINSINN Aluminum 2GT GT2 Synchronous Wheel 20 Teeth Bore 8mm 20T Timing Pulley for 3D Printer Width 6mm Timing Belt - RepRap Bowden Prusa I3 Mendel Makerbot Kossel Delta (Pack of 5Pcs)"
brand: "winsinn"
price: "€ 17.92"
currency: EUR
in_stock: true
reviews_count: 5
category: "Winsinn"
url: https://www.desertcart.ie/products/358191004-winsinn-aluminum-2gt-gt2-synchronous-wheel-20-teeth-bore-8mm
store_origin: IE
region: Ireland
---

# 8mm bore fit 20 teeth precision sync easy install kit WINSINN Aluminum 2GT GT2 Synchronous Wheel 20 Teeth Bore 8mm 20T Timing Pulley for 3D Printer Width 6mm Timing Belt - RepRap Bowden Prusa I3 Mendel Makerbot Kossel Delta (Pack of 5Pcs)

**Brand:** winsinn
**Price:** € 17.92
**Availability:** ✅ In Stock

## Summary

> ⚙️ Upgrade your precision game — don’t let your machine run on yesterday’s tech!

## Quick Answers

- **What is this?** WINSINN Aluminum 2GT GT2 Synchronous Wheel 20 Teeth Bore 8mm 20T Timing Pulley for 3D Printer Width 6mm Timing Belt - RepRap Bowden Prusa I3 Mendel Makerbot Kossel Delta (Pack of 5Pcs) by winsinn
- **How much does it cost?** € 17.92 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/358191004-winsinn-aluminum-2gt-gt2-synchronous-wheel-20-teeth-bore-8mm)

## Best For

- winsinn enthusiasts

## Why This Product

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

## Key Features

- • **Value 5-Pack Bundle:** Stock up with five pulleys to future-proof multi-axis projects or keep spares on hand for uninterrupted workflow.
- • **Precision 20-Tooth Design:** Ensures flawless synchronous motion for ultra-accurate 3D printing and CNC tasks.
- • **Plug-and-Play Installation:** Includes screws and Allen wrench for quick, hassle-free setup—get your machine running faster.
- • **Durable Lightweight Aluminum:** Corrosion-resistant build for long-lasting, high-performance use in demanding environments.
- • **Universal GT2 Belt Compatibility:** Optimized for 6mm width belts, perfect for a wide range of 3D printers, CNC routers, and robotics.

## Overview

The WINSINN Aluminum 2GT GT2 Timing Pulley features 20 teeth and an 8mm bore, engineered for 6mm width GT2 belts. Crafted from durable aluminum, it offers corrosion resistance and lightweight strength ideal for 3D printers, CNC machines, and robotics. This pack of five includes all necessary hardware for quick installation, delivering smooth, precise synchronous motion and reliable performance across professional and hobbyist automation projects.

## Description

Boost Your Machinery with High-Performance GT2 Timing Belt PulleysEnhance your 3D printers, CNC machines, or automation projects with these precision-engineered GT2 pulleys. Designed for smooth, synchronous motion, they’re perfect for tasks requiring accuracy and reliability.Key Features:Precision Design: With 20 teeth and a 8mm bore, this pulley fits GT2 belts (6mm width) for minimal backlash in 3D printing, robotics, or CNC applications.Durable Aluminum: Lightweight yet strong, the aluminum construction resists corrosion and wear, ensuring consistent performance in various setups.Simple Installation: Comes with screws and an Allen wrench for quick mounting on matching shafts, supporting stable operation at high speeds.Versatile Use: Ideal for 3D printers, CNC routers, robotics, and more. A great fit for both hobbyist and professional automation needs.Why Choose These Pulleys?Accurate Motion: The GT2 profile supports precise positioning for detailed tasks like engraving or milling.Efficient Operation: Smooth machining reduces friction and noise, improving your machine’s overall performance.Convenient 5-Pack: Get five pulleys for multi-device builds or as replacements, offering great value for your projects.Installation Tips:Match the shaft size to the pulley bore (8mm for this model).Secure the pulley with the provided screws.Align with the belt for optimal function.From DIY 3D printers to industrial systems, these pulleys deliver quality and dependability at an affordable price.

Review: I probably didnt need to replace the old ones on my neptune 4 pro, but I wanted the shiny! They have worked well and havent had any issues after fifteen to twenty prints now.
Review: Working great just like I need them too. Easy to install for my project. The set screws hold their position well and not have any give to them even after raising them to just about the maximum height you can and tightening them. Will update later if something fails.

## Features

- 【20 TEETH, 8MM BORE, FOR 6MM WIDTH BELT】Precision GT2 pulley ensures smooth motion for 3D printers, CNC machines, and robotics. Designed for accurate synchronization and minimal slippage in various automation tasks.
- 【HIGH-QUALITY ALUMINUM BUILD】Made from lightweight, durable aluminum with a smooth finish for enhanced strength and corrosion resistance. Ideal for long-term use in demanding environments like 15D printing or CNC milling.
- 【EASY SETUP WITH HARDWARE INCLUDED】Includes screws and an Allen wrench for fast, secure installation on compatible shafts. Ensures stable performance in high-speed applications without complex assembly requirements.
- 【WIDE APPLICATION COMPATIBILITY】Perfect for GT2 timing belts with 6mm width, this pulley suits 15D printers, CNC routers, robotics, and laser engravers. A versatile choice for hobbyists and professionals alike.
- 【VALUE PACK OF 5】Comes with five pulleys for multi-axis setups or spares. Ideal for maintaining consistent performance across your projects, from DIY builds to industrial automation systems.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B077GMKW1C |
| ASIN  | B077GMKW1C |
| Batteries Included? | No |
| Batteries Required? | No |
| Color | For 6mm Belt |
| Customer Reviews | 4.7 4.7 out of 5 stars (344) |
| Customer reviews | 4.7 4.7 out of 5 stars (344) |
| Date First Available | 1 February 2018 |
| Date First Available  | 1 February 2018 |
| Is Discontinued By Manufacturer  | No |
| Item Weight | 49.9 g |
| Item model number | TBL6MM208 |
| Item model number  | TBL6MM208 |
| Manufacturer | WINSINN |
| Manufacturer  | WINSINN |
| Package Dimensions | 11.91 x 7.29 x 1.6 cm; 49.9 g |
| Package Dimensions  | 11.91 x 7.29 x 1.6 cm; 49.9 g |
| Part number | TBL6MM208 |
| Size | 20 Teeth 8mm Bore |
| Style | 20 Teeth 8mm Bore |

## Images

![WINSINN Aluminum 2GT GT2 Synchronous Wheel 20 Teeth Bore 8mm 20T Timing Pulley for 3D Printer Width 6mm Timing Belt - RepRap Bowden Prusa I3 Mendel Makerbot Kossel Delta (Pack of 5Pcs) - Image 1](https://m.media-amazon.com/images/I/61p-o2N+tbL.jpg)
![WINSINN Aluminum 2GT GT2 Synchronous Wheel 20 Teeth Bore 8mm 20T Timing Pulley for 3D Printer Width 6mm Timing Belt - RepRap Bowden Prusa I3 Mendel Makerbot Kossel Delta (Pack of 5Pcs) - Image 2](https://m.media-amazon.com/images/I/51HaRsy6tZL.jpg)
![WINSINN Aluminum 2GT GT2 Synchronous Wheel 20 Teeth Bore 8mm 20T Timing Pulley for 3D Printer Width 6mm Timing Belt - RepRap Bowden Prusa I3 Mendel Makerbot Kossel Delta (Pack of 5Pcs) - Image 3](https://m.media-amazon.com/images/I/61EYFaIBxBL.jpg)
![WINSINN Aluminum 2GT GT2 Synchronous Wheel 20 Teeth Bore 8mm 20T Timing Pulley for 3D Printer Width 6mm Timing Belt - RepRap Bowden Prusa I3 Mendel Makerbot Kossel Delta (Pack of 5Pcs) - Image 4](https://m.media-amazon.com/images/I/61e1apzQU1L.jpg)
![WINSINN Aluminum 2GT GT2 Synchronous Wheel 20 Teeth Bore 8mm 20T Timing Pulley for 3D Printer Width 6mm Timing Belt - RepRap Bowden Prusa I3 Mendel Makerbot Kossel Delta (Pack of 5Pcs) - Image 5](https://m.media-amazon.com/images/I/61L61F62YeL.jpg)

## Questions & Answers

**Q: Can the tops\caps be removed?**
A: Not that I’m aware of

**Q: Do 5 come in a pack as shown in the picture?**
A: Hi.  I received a package of 5 pulleys and the wrench for the set screws.  Exactly as shown in the picture.

**Q: Do 5 come in a pack as shown in the picture?**
A: Yes

**Q: Is the 16 tooth Pulley, set screws M4?**
A: M5 Bore

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by M***S on 25 May 2025*

I probably didnt need to replace the old ones on my neptune 4 pro, but I wanted the shiny! They have worked well and havent had any issues after fifteen to twenty prints now.

### ⭐⭐⭐⭐⭐ Review
*by O***S on 13 April 2025*

Working great just like I need them too. Easy to install for my project. The set screws hold their position well and not have any give to them even after raising them to just about the maximum height you can and tightening them. Will update later if something fails.

### ⭐⭐⭐⭐⭐ Review
*by C***D on 16 November 2023*

These for on my ender 3 V2 z screws. I have dual z screws on mine. My intention was to have a timing belt connecting them. While these worked for that I haven't found the correct belt yet. These will work when I find the belt though.

## Frequently Bought Together

- WINSINN GT2 Timing Belt Pulley 20 Teeth, 8mm Bore, for 6mm Width Belt - Ideal for 3D Printers, CNC Machines, Robotics (5-Pack)
- WINSINN GT2 Idler Pulley - 20 Teeth, 5mm Bore, for 6mm Width Timing Belt, Aluminum - Ideal for 3D Printers, CNC Machines (5-Pack)
- 5M GT2 Timing Belt, Upgrade Non-Slip Version, Width 6mm, Fit for 3D Printer and Most Belt Driven Printers

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-18*