---
product_id: 391019210
title: "Upgrade Extruder Idler Arm U Groove Gear Bearing Compatible with Sidewinder X1 X2 / Metal Titan Aero Extruder Prusa i3 MK2 4max pro Genius Chiron 3D Printer (Grooved +Black)"
brand: "polisi3d"
price: "VT4513"
currency: VUV
in_stock: true
url: https://www.desertcart.vu/products/391019210-upgrade-extruder-idler-arm-u-groove-gear-bearing-compatible-sidewinder
store_origin: VU
region: Vanuatu
---

# Compact dimensions Aluminum alloy construction U groove gear bearing Upgrade Extruder Idler Arm U Groove Gear Bearing Compatible with Sidewinder X1 X2 / Metal Titan Aero Extruder Prusa i3 MK2 4max pro Genius Chiron 3D Printer (Grooved +Black)

**Brand:** polisi3d
**Price:** VT4513
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate Your 3D Printing Game!

## Quick Answers

- **What is this?** Upgrade Extruder Idler Arm U Groove Gear Bearing Compatible with Sidewinder X1 X2 / Metal Titan Aero Extruder Prusa i3 MK2 4max pro Genius Chiron 3D Printer (Grooved +Black) by polisi3d
- **How much does it cost?** VT4513 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/391019210-upgrade-extruder-idler-arm-u-groove-gear-bearing-compatible-sidewinder)

## Best For

- polisi3d enthusiasts

## Why This Product

- Trusted polisi3d brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Easy Installation:** Comes fully assembled for a hassle-free upgrade.
- • **Smooth Filament Flow:** Experience seamless printing with the upgraded U groove design.
- • **Durable & Lightweight:** Crafted from high-quality aluminum alloy for long-lasting performance.
- • **Precision Engineering:** Designed to minimize filament slippage for flawless prints.
- • **Universal Compatibility:** Perfectly fits a range of popular 3D printers including Titan and Prusa models.

## Overview

The Upgrade Extruder Idler Arm U Groove Gear Bearing is a high-performance component designed for various 3D printers, including the Sidewinder X1/X2 and Prusa i3 MK2. Made from durable aluminum alloy, this idler arm features a U groove gear bearing for enhanced filament stability and smooth operation. Weighing only 9g and measuring 6.5 x 5 x 0.99 cm, it’s the perfect upgrade for any serious 3D printing enthusiast.

## Description

Sponsored Ad – Upgrade Extruder Idler Arm U Groove Gear Bearing Compatible with Sidewinder X1 X2 / Metal Titan Aero Extruder Prusa i3 MK2 4max pro Genius Chiron 3D Printer (Grooved +Black)

## Features

- This idler arm is upgraded with U groove gear bearing to replace the old version with smooth surface bearing. A groove in the middle, the filaments are not easy to slip when you printer works.
- Compatible with original titan extruder, titan aero extruder, Prusa i3 MK2 3D Printer, Sidewinder X1 X2, Genius printer's extruder, Anycubic Chiron, 4max pro and Sovol SV01 D Printer
- Used for 1.75mm filament. Material: Aluminum alloy, stable, good quality
- Package: 1piece idler arm assembled with U groove gear bearing, 2pcs springs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | POLISI3D |
| Part number | Idler lever |
| Item Weight | 9 g |
| Package Dimensions | 6.5 x 5 x 0.99 cm; 9 g |
| Manufacturer reference | Idler lever |
| Colour | Grooved +Black |
| Material | aluminum alloy |
| Batteries included? | No |
| Batteries Required? | No |

## Images

![Upgrade Extruder Idler Arm U Groove Gear Bearing Compatible with Sidewinder X1 X2 / Metal Titan Aero Extruder Prusa i3 MK2 4max pro Genius Chiron 3D Printer (Grooved +Black) - Image 1](https://m.media-amazon.com/images/I/61fJFumt4bL.jpg)
![Upgrade Extruder Idler Arm U Groove Gear Bearing Compatible with Sidewinder X1 X2 / Metal Titan Aero Extruder Prusa i3 MK2 4max pro Genius Chiron 3D Printer (Grooved +Black) - Image 2](https://m.media-amazon.com/images/I/61SQnCu7ALL.jpg)
![Upgrade Extruder Idler Arm U Groove Gear Bearing Compatible with Sidewinder X1 X2 / Metal Titan Aero Extruder Prusa i3 MK2 4max pro Genius Chiron 3D Printer (Grooved +Black) - Image 3](https://m.media-amazon.com/images/I/61yX8LTVBZL.jpg)
![Upgrade Extruder Idler Arm U Groove Gear Bearing Compatible with Sidewinder X1 X2 / Metal Titan Aero Extruder Prusa i3 MK2 4max pro Genius Chiron 3D Printer (Grooved +Black) - Image 4](https://m.media-amazon.com/images/I/71hAfy5q6NL.jpg)
![Upgrade Extruder Idler Arm U Groove Gear Bearing Compatible with Sidewinder X1 X2 / Metal Titan Aero Extruder Prusa i3 MK2 4max pro Genius Chiron 3D Printer (Grooved +Black) - Image 5](https://m.media-amazon.com/images/I/51Tlz9FeYqL.jpg)

## Frequently Bought Together

- Upgrade Extruder Idler Arm U Groove Gear Bearing Compatible with Sidewinder X1 X2 / Metal Titan Aero Extruder Prusa i3 MK2 4max pro Genius Chiron 3D Printer (Grooved +Black)
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**Shop now:** [https://www.desertcart.vu/products/391019210-upgrade-extruder-idler-arm-u-groove-gear-bearing-compatible-sidewinder](https://www.desertcart.vu/products/391019210-upgrade-extruder-idler-arm-u-groove-gear-bearing-compatible-sidewinder)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-06*