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Brompton Replacement Chain Ring and Guard - Silver, 44T

Brompton Replacement Chain Ring and Guard - Silver, 44T

Genuine replacement chainring and guard assembly for the spider type (2013 onwards) crankset. Spe...

Best current price£26.00from Evans Cycles UK

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Evans Cycles UKBrompton Crankset Silver
£4.99 delivery
£26.00
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Condor CyclesBrompton Silver Replacement Chain Ring And Guard
Free delivery in 1–3 days
£35.00
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eBayQ1000009 Brompton Chainring and Guard for Spider Crank - Silver - 50T
Free delivery in 1–3 days
£49.99
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Product Information

Full details

This guide is for Brompton bike owners looking to replace their chainring and guard assembly. It offers a clear, step-by-step approach to understanding and installing the correct part for optimal performance. Note that this guide is specifically for the spider-type crankset (2013 onwards).

All features

Model Part NumberQCHRINGA-SPI-44
BrandBrompton

Extended Product Information

FAQs

What is the correct chainring size for my Brompton?

The ideal chainring size depends on your riding style and terrain. 44T is suitable for general use, while 50T or 54T is better for higher speeds.

How do I determine if my crankset is a spider type?

Spider-type cranksets have a spider arm design where the chainring bolts to the arm, not directly to the crank arm.

Do I need to replace the chain when replacing the chainring?

It is recommended to replace the chain if it is worn or stretched, as a new chainring will work best with a new chain.

What tools do I need to install the chainring?

You'll need Allen keys or a similar tool to remove and tighten the bolts. A chain tool may also be helpful.

How often should I clean the chainring?

Clean the chainring periodically, especially after riding in wet or dirty conditions. Use a degreaser to remove grime.

How do I choose between the silver and black chainring?

Choose the color that best matches your bike's frame and overall aesthetic.

What is the purpose of the chain guard?

The chain guard prevents the chain from coming off the chainring and protects your clothing from getting caught in the chain.

Troubleshooting

Chain is skipping or not shifting smoothly.

Check if the chainring teeth are worn or damaged. Also, inspect the chain for wear and proper lubrication.

Chain is coming off the chainring.

Ensure the chainring is properly aligned and the bolts are securely tightened. Check the chain tension and derailleur adjustment.

Chainring bolts are loose.

Tighten the chainring bolts to the recommended torque specification. Use a torque wrench if available.

Pros and Cons

Pros

  • Genuine Brompton part for guaranteed fit and performance.
  • Available in multiple sizes to customize your gearing.
  • Comes in both silver and black to match your bike's aesthetics.
  • Includes both chainring and guard, offering a complete solution.
  • Durable construction ensures longevity and reliability.

Cons

  • Only compatible with spider-type cranksets from 2013 onwards.
  • Requires some mechanical skill for installation.
  • May require additional tools for installation.
  • Specific to Brompton bikes, not universal.

Setup, Compatibility & Care

Compatibility

Ensure that the chainring is compatible with your Brompton bike's spider-type crankset (2013 onwards). Verify the tooth count (44T, 50T, or 54T) matches your needs and original setup.

Installation

  1. Remove the old chainring and guard assembly.
  2. Align the new chainring and guard with the crankset.
  3. Securely tighten the bolts, ensuring even pressure.
  4. Check for smooth chain movement after installation.

Care

  • Regularly inspect the chainring and guard for wear and tear.
  • Clean the chainring and guard periodically with a degreaser to remove dirt and grime.
  • Lubricate the chain regularly for optimal performance.
  • If the chainring teeth are worn or damaged, replace the chainring.

Tools Needed

  • Allen keys or a suitable tool for removing and tightening the bolts.
  • A chain tool (optional, but helpful for chain removal/installation).

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