---
product_id: 284516640
title: "UN300 English Bottom Bracket"
brand: "shimano"
price: "6034 kr"
currency: ISK
in_stock: true
url: https://www.desertcart.is/products/284516640-un300-english-bottom-bracket
store_origin: IS
region: Iceland
---

# BSA threaded - hassle-free install 68mm shell & 113mm spindle - perfect fit Sealed cartridge - ultra-durable smoothness UN300 English Bottom Bracket

**Brand:** shimano
**Price:** 6034 kr
**Availability:** ✅ In Stock

## Summary

> ⚡ Ride Smooth, Ride Strong — The Bottom Bracket That Keeps You Ahead

## Quick Answers

- **What is this?** UN300 English Bottom Bracket by shimano
- **How much does it cost?** 6034 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/284516640-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

- • **Sleek & Durable Design:** Matte black housing combines Shimano’s trusted quality with a clean, professional look.
- • **Effortless Installation:** Standard BSA threading ensures quick, secure fitting on most English-threaded frames.
- • **Maintenance-Free Riding:** Sealed cartridge unit minimizes upkeep while maximizing smoothness on every ride.
- • **Universal Compatibility:** Square tapered spindle fits a wide range of cranks and drivetrains for ultimate versatility.
- • **Precision Power Transfer:** 68 mm shell and 113 mm spindle size deliver stable, efficient pedaling performance.

## Overview

The Shimano UN300 English Bottom Bracket features a 68 mm shell and 113 mm spindle with a square tapered design for broad crank compatibility. Its sealed cartridge bearing system ensures long-lasting smoothness and minimal maintenance. Designed with standard BSA threading, it offers easy installation on most English-threaded bike frames, all housed in a sleek black alloy steel casing for durability and style.

## Description

SHIMANO UN300 English Bottom Bracket

## Features

- SQUARE TAPERED SPINDLE FOR WIDE COMPATIBILITY: Works with a range of cranks and drivetrains.
- 68 MM SHELL AND 113 MM SPINDLE SIZE: Offers stability and efficient power transfer.
- SEALED CARTRIDGE UNIT FOR LONG LIFE: Reduces maintenance and enhances smoothness.
- BSA THREADED FOR EASY INSTALLATION: Standard fit for most English-threaded frames.
- BLACK HOUSING FOR CLEAN LOOK: Reliable Shimano quality and durable exterior.

## 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

![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.is/products/284516640-un300-english-bottom-bracket](https://www.desertcart.is/products/284516640-un300-english-bottom-bracket)

---

*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-05-17*