---
product_id: 3868560
title: "Main Drive Single Speed Freewheel (16T x 1/8-Inch)"
brand: "acs"
price: "S/.91"
currency: PEN
in_stock: true
url: https://www.desertcart.pe/products/3868560-main-drive-single-speed-freewheel-16t-x-1-8-inch
store_origin: PE
region: Peru
---

# 4-prong BMX remover compatible 16-tooth precision gearing 1/2" x 1/8" chain fit Main Drive Single Speed Freewheel (16T x 1/8-Inch)

**Brand:** acs
**Price:** S/.91
**Availability:** ✅ In Stock

## Summary

> ⚙️ Ride the smoothest spin with ACS precision power!

## Quick Answers

- **What is this?** Main Drive Single Speed Freewheel (16T x 1/8-Inch) by acs
- **How much does it cost?** S/.91 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/3868560-main-drive-single-speed-freewheel-16t-x-1-8-inch)

## 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

- • **Dual-Pawl Engagement:** Engages every 18° for consistent, dependable pedaling
- • **Precision 16T Gear Ratio:** Optimized for smooth, reliable single-speed rides
- • **Durable Alloy Steel Build:** Engineered for everyday low-torque cycling performance
- • **Seamless Chain Compatibility:** Perfect match for 1/8" wide single-speed chains, no slipping
- • **Universal BMX Tool Compatibility:** Easily removable with standard 4-prong freewheel tools

## Overview

The ACS Main Drive Single Speed Freewheel (16T x 1/8-Inch) is a robust, alloy steel replacement part designed for BMX, fixed gear, and single-speed bikes. Featuring a 16-tooth gear and dual-pawl system that engages every 18 degrees, it ensures reliable, smooth pedaling. Compatible with standard 1.375"-24tpi hubs and 1/2" x 1/8" chains, it’s easily installed and removed using traditional BMX 4-prong freewheel tools. Ideal for low-torque applications, this freewheel delivers dependable performance for everyday riders seeking quality and value.

## Description

Main Drive Freewheel by ACS

## Features

- Uses traditional BMX 4-prong freewheel remover
- Uses traditional BMX 4-prong freewheel remover
- Cassette Body Type: Threaded Standard 1.37" x 24tpi
- Freewheel Teeth: 16
- Chain Compatibility: 1/2" x 1/8"

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | ACS |
| Material | Alloy Steel |
| Recommended Uses For Product | low-torque applications, specifically for fixie bikes |
| Roller Diameter | 0.13 Inches |
| Specification Met | Value-priced Freewheels With Assured Quality for Everyday Use |
| UPC | 816411001563 |
| Global Trade Identification Number | 00816411001563 |
| Item Package Dimensions L x W x H | 2.95 x 2.8 x 0.87 inches |
| Package Weight | 0.15 Kilograms |
| Item Dimensions  LxWxH | 2.75 x 2.75 x 0.75 inches |
| Item Weight | 0.25 Pounds |
| Brand Name | ACS |
| Color | Silver |
| Suggested Users | unisex-adult |
| Number of Items | 1 |
| Manufacturer | ACS |
| Part Number | 63609-1000 |
| Style | Does Not Apply |
| Included Components | Single-Speed Freewheels |
| Size | 16T X 1/8-Inch |
| Skill Level | Intermediate |

## Product Details

- **Brand:** ACS
- **Material:** Alloy Steel
- **Recommended Uses For Product:** low-torque applications, specifically for fixie bikes
- **Roller Diameter:** 0.13 Inches
- **Specification Met:** Value-priced Freewheels With Assured Quality for Everyday Use

## Images

![Main Drive Single Speed Freewheel (16T x 1/8-Inch) - Image 1](https://m.media-amazon.com/images/I/71LcAq63ZCL.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.pe/products/3868560-main-drive-single-speed-freewheel-16t-x-1-8-inch](https://www.desertcart.pe/products/3868560-main-drive-single-speed-freewheel-16t-x-1-8-inch)

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*Product available on Desertcart Peru*
*Store origin: PE*
*Last updated: 2026-01-24*