---
product_id: 284516640
title: "SHIMANO UN300 English Bottom Bracket"
brand: "shimano"
price: "€ 52.36"
currency: EUR
in_stock: true
category: "Shimano"
url: https://www.desertcart.be/products/284516640-shimano-un300-english-bottom-bracket
store_origin: BE
region: Belgium
---

# BSA English threaded shell 68mm shell width & 113mm spindle length Sealed cartridge bearings for durability SHIMANO UN300 English Bottom Bracket

**Brand:** shimano
**Price:** € 52.36
**Availability:** ✅ In Stock

## Summary

> ⚙️ Upgrade your ride with Shimano’s precision bottom bracket – where durability meets universal compatibility!

## Quick Answers

- **What is this?** SHIMANO UN300 English Bottom Bracket by shimano
- **How much does it cost?** € 52.36 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/284516640-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

- • **Global Standard Threading:** BSA English thread ensures easy installation on the majority of bike frames worldwide
- • **Built to Last, Ride After Ride:** Factory-sealed cartridge bearings resist moisture and contamination for long-lasting performance
- • **Universal Fit, Ultimate Flexibility:** Compatible with Shimano & third-party square taper cranksets across 7-10 speed drivetrains
- • **Lightweight Alloy Steel Construction:** Durable yet lightweight design keeps your ride efficient and responsive
- • **Precision Engineering, Seamless Integration:** Standard 68mm shell width and 113mm spindle length fit most road, hybrid, and MTB frames

## Overview

The Shimano UN300 English Bottom Bracket features a 68mm shell width and 113mm spindle length, designed for broad compatibility with road, MTB, and commuter bikes. Its sealed cartridge bearings provide moisture and contamination resistance for a long, low-maintenance service life. With a standard BSA English threaded shell, it fits most frames globally and supports Shimano and third-party square taper cranksets across 7 to 10-speed drivetrains.

## Description

Buy Shimano BB-UN300 Square Taper Bottom Bracket | BSA 68mm | 113mm Spindle | Sealed Bearings | Durable | Black online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

## Features

- SQUARE TAPER BSA BOTTOM BRACKET – Shimano UN300 cartridge BB for square taper crankset compatibility across road, MTB & commuter builds.
- 68MM x 113MM SPECIFICATION – Standard shell width & spindle length for broad compatibility with road, hybrid & recreational bike frames.
- SEALED CARTRIDGE BEARINGS – Factory-sealed bearings resist moisture & contamination for long, low-maintenance service life.
- BSA ENGLISH THREAD – Standard English thread shell fits the majority of road, MTB & commuter frames globally.
- BROAD CRANKSET COMPATIBILITY – Suits Shimano & third-party square taper cranksets across 7, 8, 9 & 10-speed drivetrain builds.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Age Range | Adult |
| Color | Black |
| Size | 68 mm x 113 mm |
| Style | Bottom Bracket - English, 68 X 113mm |
| League | shimano |
| Height | 1.91 inches |
| Length | 5.63 inches |
| Weight | 0.65 Pounds |
| Width | 2.03 inches |
| Material Type | Alloy Steel |
| Number of Items | 1 |
| Sport | Cycling |
| Included Components | 1 x Shimano BB-UN300 Square Tapered Bottom Bracket, 68 mm x 113 mm Size |
| Batteries Included? | No |
| Brand | Shimano |
| Department | Unisex |
| Manufacturer | Shimano Inc |
| Item model number | EBBUN300B13X |
| Product Dimensions | 14.3 x 5.16 x 4.85 cm; 0.28 g |
| ASIN | B08BX7TJPP |

## Images

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

## Available Options

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

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**Shop now:** [https://www.desertcart.be/products/284516640-shimano-un300-english-bottom-bracket](https://www.desertcart.be/products/284516640-shimano-un300-english-bottom-bracket)

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*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-08-20*