---
product_id: 373891051
title: "ACS Main Drive Single Speed Freewheel (16T x . cm )"
brand: "acs"
price: "NT$2837"
currency: TWD
in_stock: true
url: https://www.desertcart.tw/products/373891051-acs-main-drive-single-speed-freewheel-16t-x-cm
store_origin: TW
region: Taiwan
---

# Durable chrome-plated alloy steel Fits standard 1.375"-24tpi hub threads 16-tooth precision gearing ACS Main Drive Single Speed Freewheel (16T x . cm )

**Brand:** acs
**Price:** NT$2837
**Availability:** ✅ In Stock

## Summary

> ⚙️ Upgrade your ride with precision and style — don’t get left behind!

## Quick Answers

- **What is this?** ACS Main Drive Single Speed Freewheel (16T x . cm ) by acs
- **How much does it cost?** NT$2837 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/373891051-acs-main-drive-single-speed-freewheel-16t-x-cm)

## Best For

- acs enthusiasts

## Why This Product

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

## Key Features

- • **Easy Maintenance:** Removable with ACS 4-prong or universal tools, making replacements and repairs hassle-free.
- • **Precision 16T Gear:** Optimized 16-tooth sprocket ensures smooth, reliable single-speed performance every ride.
- • **Lightweight & Compact:** Weighing just 113g with a slim 6.99 x 1.91 cm profile, it’s the perfect balance of strength and minimalism.
- • **Seamless Compatibility:** Designed to fit most low-torque hubs with universal 1.375"-24tpi threading for effortless upgrades.
- • **Robust Alloy Steel Build:** Crafted from high-quality alloy steel with chrome plating for long-lasting corrosion resistance and sleek style.

## Overview

The ACS Main Drive Single Speed Freewheel (16T x 1/8") is a value-priced, OEM-quality replacement designed for low-torque bicycle applications. Featuring durable chrome-plated alloy steel construction, it fits standard 1.375"-24tpi hub threads and 1/2" x 1/8" chains. Lightweight and easy to remove with universal tools, it delivers reliable single-speed performance with a sleek silver finish.

## Description

ACS Main Drive Single Speed Freewheel (16T x . cm )

## Features

- Main Drive Freewheel

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | ACS |
| Part number | 63609-1000 |
| Item Weight | 113 g |
| Product Dimensions | 6.99 x 6.99 x 1.91 cm; 113.4 g |
| Item model number | 63609-1000 |
| Size | 16T X 1/8-Inch |
| Color | Silver |
| Material | Alloy Steel |
| Item Package Quantity | 1 |
| Specification met | Value-priced Freewheels With Assured Quality for Everyday Use |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** ACS
- **Material:** Alloy Steel
- **Strand type:** Single
- **Recommended uses for product:** low-torque applications, specifically for fixie bikes
- **Specification met:** Value-priced Freewheels With Assured Quality for Everyday Use

## Images

![ACS Main Drive Single Speed Freewheel (16T x . cm ) - Image 1](https://m.media-amazon.com/images/I/71LcAq63ZCL.jpg)
![ACS Main Drive Single Speed Freewheel (16T x . cm ) - Image 2](https://m.media-amazon.com/images/I/31J1uMP9WHL.jpg)

## Frequently Bought Together

- ACS Main Drive Single Speed Freewheel (16T x 1/8-Inch)
- BELL Standard Bicycle Inner Tube, 20" x 1.75" - 2.125", Black
- Wheel Set 20 x 1.75 Wheel Master Silver, 36H, BMX 3/8 FW Hub, 14g UCP Spokes

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**Shop now:** [https://www.desertcart.tw/products/373891051-acs-main-drive-single-speed-freewheel-16t-x-cm](https://www.desertcart.tw/products/373891051-acs-main-drive-single-speed-freewheel-16t-x-cm)

---

*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-02-06*