---
product_id: 155755957
title: "Ciyoon 2019 New 3/4 to 1 inch W/Step Key Gas Engine Pulley Crank Shaft Sleeve Adapter Predator"
brand: "ciyoon"
price: "₩2426"
currency: KRW
in_stock: false
url: https://www.desertcart.kr/products/155755957-ciyoon-2019-new-3-4-to-1-inch-w-step
store_origin: KR
region: South Korea
---

# Ciyoon 2019 New 3/4 to 1 inch W/Step Key Gas Engine Pulley Crank Shaft Sleeve Adapter Predator

**Brand:** ciyoon
**Price:** ₩2426
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Ciyoon 2019 New 3/4 to 1 inch W/Step Key Gas Engine Pulley Crank Shaft Sleeve Adapter Predator by ciyoon
- **How much does it cost?** ₩2426 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/155755957-ciyoon-2019-new-3-4-to-1-inch-w-step)

## Best For

- ciyoon enthusiasts

## Why This Product

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

## Description

Features: This steel shaft sleeve adapts a crankshaft from 3/4” to 1” diameter. It comes with step key that offsets from 3/16” to 1/4“.  Alters motors with a different diameter shaft  Alters pulleys for a different speed or belt  Reduces the necessity of buying a new motor or pulley to maintain existing components and speed/power requirements.  Adapts larger wheel bores to smaller axels Works with Gas Engine Crank Shafts to enlarge the crank diameter to fit pulleys, gear boxes etc. The sleeve and step key are designed to exact fit on your 3/4” diameter crankshaft with 3/16” keyway and enlarge it to 1” diameter with 1/4” keyway. Specification:  Sleeve inside diameter 3/4”  Sleeve outside diameter 1”  Sleeve length is about 3”  Sleeve Keyway slot 1/4” Step Key Length is about 2”Package include: 1 x steel shaft sleeve kit

## Features

- ❤ This steel shaft sleeve adapts a crankshaft from 3/4” to 1” diameter. It comes with step key that offsets from 3/16” to 1/4“.
- ❤ Alters motors with a different diameter shaft
- ❤ Alters pulleys for a different speed or belt
- ❤ Reduces the necessity of buying a new motor or pulley to maintain existing components and speed/power requirements.
- ❤ Adapts larger wheel bores to smaller axels

## Images

![Ciyoon 2019 New 3/4 to 1 inch W/Step Key Gas Engine Pulley Crank Shaft Sleeve Adapter Predator - Image 1](https://images-na.ssl-images-amazon.com/images/I/61gVitkGo6L.jpg)
![Ciyoon 2019 New 3/4 to 1 inch W/Step Key Gas Engine Pulley Crank Shaft Sleeve Adapter Predator - Image 2](https://images-na.ssl-images-amazon.com/images/I/519Q-hje2eL.jpg)
![Ciyoon 2019 New 3/4 to 1 inch W/Step Key Gas Engine Pulley Crank Shaft Sleeve Adapter Predator - Image 3](https://images-na.ssl-images-amazon.com/images/I/515cKcRbF7L.jpg)
![Ciyoon 2019 New 3/4 to 1 inch W/Step Key Gas Engine Pulley Crank Shaft Sleeve Adapter Predator - Image 4](https://images-na.ssl-images-amazon.com/images/I/61xjz9f5f4L.jpg)
![Ciyoon 2019 New 3/4 to 1 inch W/Step Key Gas Engine Pulley Crank Shaft Sleeve Adapter Predator - Image 5](https://images-na.ssl-images-amazon.com/images/I/61Pf1cIJyfL.jpg)

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**Shop now:** [https://www.desertcart.kr/products/155755957-ciyoon-2019-new-3-4-to-1-inch-w-step](https://www.desertcart.kr/products/155755957-ciyoon-2019-new-3-4-to-1-inch-w-step)

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-19*