---
product_id: 405373411
title: "Martin Roller Chain Sprocket, Reboreable, Type A Hub, Single Strand, 25 Chain Size, 0.25\" Pitch, 45 Teeth, 0.5\" Bore Dia., 3.725\" OD, 0.11\" Width"
brand: "martin"
price: "26.88 OMR"
currency: OMR
in_stock: true
reviews_count: 1
url: https://www.desertcart.com.om/products/405373411-martin-roller-chain-sprocket-reboreable-type-a-hub-single-strand
store_origin: OM
region: Oman
---

# 25 Chain Size 45 Teeth 0.5" Bore Dia. Martin Roller Chain Sprocket, Reboreable, Type A Hub, Single Strand, 25 Chain Size, 0.25" Pitch, 45 Teeth, 0.5" Bore Dia., 3.725" OD, 0.11" Width

**Brand:** martin
**Price:** 26.88 OMR
**Availability:** ✅ In Stock

## Summary

> 🔧 Gear Up for Success with Precision Engineering!

## Quick Answers

- **What is this?** Martin Roller Chain Sprocket, Reboreable, Type A Hub, Single Strand, 25 Chain Size, 0.25" Pitch, 45 Teeth, 0.5" Bore Dia., 3.725" OD, 0.11" Width by martin
- **How much does it cost?** 26.88 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/405373411-martin-roller-chain-sprocket-reboreable-type-a-hub-single-strand)

## Best For

- martin enthusiasts

## Why This Product

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

## Key Features

- • **Customizable Design:** Easily drilled or welded for seamless integration with other equipment.
- • **Robust Construction:** Crafted from high carbon steel, ensuring long-lasting durability and strength.
- • **Precision Engineering:** Designed for a 1/4” pitch, perfect for both driver and driven sprocket setups.
- • **Versatile Mounting Options:** Type A hub allows for flexible installation across various applications.
- • **Adaptable Shaft Compatibility:** Fits shaft diameters from 1/4” to 1/2”, catering to diverse machinery needs.

## Overview

The Martin Roller Chain Sprocket is a high-quality, reboreable Type A hub designed for 25 chain size applications. With a 0.25" pitch and 45 teeth, it offers exceptional versatility and strength, making it ideal for various machinery setups. Its robust high carbon steel construction ensures durability, while the adaptable shaft compatibility allows for easy integration into your existing systems.

## Description

Martin Roller Chain Sprocket, Reboreable, Type A Hub, Single Strand, 25 Chain Size, 0.25" Pitch, 45 Teeth, 0.5" Bore Dia., 3.725" OD, 0.11" Width

## Features

- For use with series 25 chain, 1/4” pitch for driver or driven sprocket applications
- Type A sprocket offers flexibility in mounting arrangements
- Shaft diameter size from 1/4” to 1/2” for a variety of applications
- Can be used with large-diameter shafts, and drilled for mounting or welded directly to other apparatuses
- High carbon steel for strength and durability

## Images

![Martin Roller Chain Sprocket, Reboreable, Type A Hub, Single Strand, 25 Chain Size, 0.25" Pitch, 45 Teeth, 0.5" Bore Dia., 3.725" OD, 0.11" Width - Image 1](https://m.media-amazon.com/images/I/61asWOG6hTL.jpg)
![Martin Roller Chain Sprocket, Reboreable, Type A Hub, Single Strand, 25 Chain Size, 0.25" Pitch, 45 Teeth, 0.5" Bore Dia., 3.725" OD, 0.11" Width - Image 2](https://m.media-amazon.com/images/I/71mb1apN+VL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Great sprocket
  

*by T***E on Reviewed in the United States on January 20, 2017*

Awesome price for seriously good sprockets. Perfect for my need.

## Frequently Bought Together

- Martin Roller Chain Sprocket, Reboreable, Type A Hub, Single Strand, 25 Chain Size, 0.25" Pitch, 45 Teeth, 0.5" Bore Dia., 3.725" OD, 0.11" Width
- Belleone #25 Roller Chain - 10 Feet #25 Chain with 10 Connecting Links & Chain Breaker for Go Karts, Mini Bikes, Scooters, Dirt Bikes, Razor Motorcycles, Pocket Bike and Bycicles - 480 Links
- JT Sprockets JTR801.35 35T Steel Rear Sprocket, black

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**Shop now:** [https://www.desertcart.com.om/products/405373411-martin-roller-chain-sprocket-reboreable-type-a-hub-single-strand](https://www.desertcart.com.om/products/405373411-martin-roller-chain-sprocket-reboreable-type-a-hub-single-strand)

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*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-02-02*