---
product_id: 43557720
title: "CR-A03 Kettenspanner"
brand: "xlc"
price: "587 kr"
currency: DKK
in_stock: true
reviews_count: 6
url: https://www.desertcart.dk/products/43557720-cr-a03-kettenspanner
store_origin: DK
region: Denmark
---

# Secure fastening at derailleur hanger 16-20 teeth precision fit Optimized for single-speed hubs CR-A03 Kettenspanner

**Brand:** xlc
**Price:** 587 kr
**Availability:** ✅ In Stock

## Summary

> ⚙️ Keep your single-speed ride tight and right—no slack, all style!

## Quick Answers

- **What is this?** CR-A03 Kettenspanner by xlc
- **How much does it cost?** 587 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/43557720-cr-a03-kettenspanner)

## Best For

- xlc enthusiasts

## Why This Product

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

## Key Features

- • **Lightweight Durability:** Aluminium build keeps your bike agile without compromising strength
- • **Ride-Ready Reliability:** Supports up to 250 lbs load capacity for consistent performance
- • **Effortless Installation:** Mounts easily on derailleur hanger for quick upgrades
- • **Precision Chain Control:** 16-20 teeth design ensures flawless tension for smooth rides
- • **Single-Speed Specialist:** Engineered exclusively for single-speed hubs—ditch the complexity

## Overview

The XLC CR-A03 Kettenspanner is a lightweight aluminium chain tensioner designed specifically for single-speed bike hubs. Featuring a 16-20 teeth roller and secure fastening at the derailleur hanger, it ensures optimal chain tension and smooth drivetrain performance. Easy to install and built to support up to 250 lbs, it’s the perfect upgrade for millennial cyclists seeking reliable, no-fuss maintenance.

## Description

XLC Chain Tensioner CR-A03 for single-speed hubs.

Review: Five Stars - So far so good ,I like it .
Review: Monter sur un vélo de route transformer en vélo mono vitesse. Conforme à la description. Fait très bien le travail. Montage facile. Je recommande

## Features

- 16-20 teeth
- For single-speed hubs
- Not suited to backpedal hubs
- Fastening at the derailleur hanger
- nt suitable for coaster brakes

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B002NNEQOI |
| Best Sellers Rank | #1,841,633 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #1,403 in Bike Chains |
| Brand | XLC |
| Brand Name | XLC |
| Color | Black |
| Customer Reviews | 4.2 4.2 out of 5 stars (471) |
| Date First Available | August 31, 2012 |
| Global Trade Identification Number | 04032191731742 |
| Included Components | XLC Chain Tensioner |
| Item Dimensions LxWxH | 4.72 x 7.28 x 2.17 inches |
| Item Package Dimensions L x W x H | 7.32 x 5.55 x 2.6 inches |
| Item Weight | 0.12 Kilograms |
| Load Capacity | 2.5E+2 Pounds |
| Manufacturer | XLC |
| Material | Aluminium |
| Model Name | Cr-a03 |
| Model Year | 2016 |
| Number of Items | 1 |
| Package Weight | 0.14 Kilograms |
| Part Number | 2501106000 |
| Recommended Uses For Product | maintaining tension in single-speed bike chains, repairing or adjusting single-speed bike drivetrains |
| Roller Diameter | 32 Millimeters |
| Size | One Size |
| Sport Type | Cycling |
| Strand Type | Einfach |
| Suggested Users | unisex |

## Product Details

- **Brand:** XLC
- **Load Capacity:** 2.5E+2 Pounds
- **Material:** Aluminium
- **Roller Diameter:** 32 Millimeters

## Images

![CR-A03 Kettenspanner - Image 1](https://m.media-amazon.com/images/I/71h5IeTZ8RL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Five Stars
*by H***E on July 26, 2017*

So far so good ,I like it .

### ⭐⭐⭐⭐⭐ Review
*by V***D on December 25, 2019*

Monter sur un vélo de route transformer en vélo mono vitesse. Conforme à la description. Fait très bien le travail. Montage facile. Je recommande

### ⭐⭐⭐⭐⭐ Review
*by T***S on August 11, 2025*

Ich bin sehr zufrieden, Lieferung top, Verpackung top, Verarbeitung top, sehr leicht (Alu), Einbau top, Einstellungen top, Design top, siehe Bild. Bin jetzt ca. 100 km gefahren keine Probleme, keine Geräusche. Klare Weiterempfehlung 👍

## Frequently Bought Together

- XLC CR-A03 Kettenspanner
- Bike Single Speed Fixie Cassette Conversion Kit Compatable Shimano 18T Colors

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**Shop now:** [https://www.desertcart.dk/products/43557720-cr-a03-kettenspanner](https://www.desertcart.dk/products/43557720-cr-a03-kettenspanner)

---

*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-05-06*