---
product_id: 213407565
title: "Shimano UN300 English Bottom Bracket"
brand: "shimano"
price: "AED 101"
currency: AED
in_stock: true
category: "Shimano"
url: https://www.desertcart.ae/products/213407565-shimano-un300-english-bottom-bracket
store_origin: AE
region: United Arab Emirates
---

# Fits JIS square-taper cranksets for versatile compatibility 113mm spindle length for optimal power transfer Sealed design with chain line stabilizer for durability Shimano UN300 English Bottom Bracket

**Brand:** shimano
**Price:** AED 101
**Availability:** ✅ In Stock

## Summary

> ⚙️ Elevate your ride with Shimano’s precision-engineered bottom bracket!

## Quick Answers

- **What is this?** Shimano UN300 English Bottom Bracket by shimano
- **How much does it cost?** AED 101 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ae](https://www.desertcart.ae/products/213407565-shimano-un300-english-bottom-bracket)

## Best For

- shimano enthusiasts

## Why This Product

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

## Key Features

- • **Custom Fit Options:** Multiple shell and spindle lengths to tailor your ride perfectly
- • **Lightweight Strength:** Extra-strong aluminum adapter balances weight and resilience
- • **Universal Compatibility:** Designed to fit JIS square-taper cranksets, ensuring seamless upgrades
- • **Precision Power Transfer:** 113mm hollow spindle engineered for smooth, efficient pedaling
- • **Durability Meets Performance:** High-quality sealed cartridge protects against dirt and moisture

## Overview

The Shimano UN300 English Bottom Bracket is a high-performance, sealed cartridge unit designed for JIS square-taper cranksets. Featuring a 113mm hollow spindle and a robust aluminum adapter, it enhances chain reliability with a built-in chain line stabilizer. Available in multiple shell and spindle lengths, it offers a customizable fit for serious cyclists seeking durability and smooth power transfer.

## Description

The Shimano UN300 English Bottom Bracket High quality sealed bottom bracket with a squared taper. The new chain line stabilizer helps to increase chain reliability. The adapter material is extra strong Aluminum. For use with JIS square tapered crank sets. The spindle is hollow and crankarm fixing bolts are sold separately. Available in Shell lengths 68mm or 73mm. Available in Spindle lengths 68mmx107mm, 68mmx110mm, 73mmx113mm, 68mmx115mm, 68mmx117.5mm 73mmx118mm, 73mmx122.5mm, and 68mmx127.5mm.

## Features

- Fits JIS square-taper cranksets
- Spindle Length: 113
- BB Shell Width (mm): 68 mm
- Bottom Bracket Shell I.D.: 1.37
- Crankarm fixing bolts sold separately

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08BX7TJPP |
| Best Sellers Rank | #31,626 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #6 in Bike Bottom Brackets |
| Brand Name | SHIMANO |
| Color | noir/argentà |
| Customer Reviews | 4.6 4.6 out of 5 stars (340) |
| Date First Available | June 26, 2020 |
| Included Components | Bottom Brackets |
| Item Dimensions LxWxH | 5.63 x 2.03 x 1.91 inches |
| Item Package Dimensions L x W x H | 6.57 x 1.89 x 1.73 inches |
| Item Weight | 0.27 g |
| Manufacturer | Shimano |
| Material | Alloy |
| Model Name | Bottom Bracket - English, 68 X 113mm |
| Number of Items | 1 |
| Package Weight | 0.29 kg |
| Part Number | EBBUN300B13X |
| Size | 68mmx113mm |
| Sport Type | Cycling |
| Style | Bottom Bracket - English, 68 X 113mm |
| Suggested Users | unisex |
| Warranty Description | Limited Warranty |

## Images

![Shimano UN300 English Bottom Bracket - Image 1](https://m.media-amazon.com/images/I/41QjsQ9afqL.jpg)

## Available Options

This product comes in different **Colour, Size** options.

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**Shop now:** [https://www.desertcart.ae/products/213407565-shimano-un300-english-bottom-bracket](https://www.desertcart.ae/products/213407565-shimano-un300-english-bottom-bracket)

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*Product available on Desertcart United Arab Emirates*
*Store origin: AE*
*Last updated: 2026-08-22*