KMC X-flat Chain - 126 Links - Silver

SRAM's Flat-Top chains are designed for modern 12/13-speed drivetrains featuring a distinctive fla...

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Merlin CyclesKmc Silver X Flat Pre-Waxed Chain -12/13 Speed - / 12 Speed / 126 Links / Pre-Waxed
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Tweeks CyclesKMC X Flat 12-Speed Chain - Silver
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TredzKmc Silver X-Flat 12/13 Speed Waxed 126L Chain Size 12
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eBayKMC X Flat SRAM fit 12/13 Speed Waxed Chain - 126L - Silver
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Team CyclesKmc Chain Unisex Blue Kmc X Flat 126 Links 12/13 Speed Waxed Chain Aurora
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Product Information

Full details

This guide is for cyclists using SRAM 12/13-speed drivetrains and seeking a high-performance chain. The KMC X-flat chain offers enhanced durability and a smooth, clean riding experience thanks to the KMC GO wax treatment. However, it's essential to note that this chain is exclusively compatible with SRAM's flat-top AXS and Transmission/T-Type systems. It is not compatible with other 12-speed systems.

All features

Model Part NumberX-flat
BrandKMC

Extended Product Information

FAQs

How often should I re-wax the chain?

For road bikes, re-wax after 250 km or at least once a month. For MTB, Cross, and frequent riders in all weather conditions, re-wax after 100 km at the latest.

Can I use this chain on a non-SRAM 12-speed system?

No, this chain is exclusively compatible with SRAM 12/13-speed AXS and Transmission/T-Type drivetrains.

What kind of wax should I use?

The chain comes pre-waxed with KMC GO wax, and you should re-wax it with KMC GO wax.

Is the wax environmentally friendly?

Yes, the KMC GO wax is biodegradable and free from PFAS and harsh solvents.

How do I apply the wax?

Ensure the chain is dry. Shake the bottle and apply wax to the inside of the chain. A single complete turn is sufficient. Allow the chain to dry completely before riding.

Does the chain come with missing links?

Yes, the chain includes missing links for easy installation.

What is the weight of the chain?

The weight is 262 grams per 110 links.

How do I clean the chain?

Clean the chain regularly with a dry cloth or brush to remove any dirt or debris before re-waxing.

Troubleshooting

Chain is not shifting smoothly.

Check the derailleur alignment and cable tension. Ensure the chain is properly lubricated with KMC GO wax and re-wax according to the recommended intervals. Inspect the chain for any damage.

Chain is noisy.

Ensure the chain is clean and properly waxed. Check for any dirt or debris that might be causing friction. If the noise persists, check the chain for wear and tear, and consider replacing it.

Chain is skipping.

Check the chain for wear. Inspect the cassette and chainrings for damage or wear. Ensure the chain is compatible with your drivetrain.

Pros and Cons

Pros

  • Enhanced durability for demanding rides.
  • Wax treatment extends chain life and reduces maintenance frequency.
  • Corrosion-resistant coating protects against the elements.
  • Environmentally friendly wax reduces environmental impact.
  • Easy application process simplifies maintenance.

Cons

  • Exclusively compatible with SRAM flat-top 12/13-speed drivetrains, limiting its use.
  • Requires re-waxing based on riding conditions and frequency.
  • Performance heavily relies on adhering to the re-waxing intervals.

Setup, Compatibility & Care

Setup

  1. Compatibility Check: Ensure the KMC X-flat chain is compatible with your SRAM 12/13-speed AXS or Transmission/T-Type drivetrain. It will not work with other 12-speed systems or older SRAM groups.
  2. Installation: Use the included missing links to connect the chain. Follow the missing link instructions provided.
  3. Chain Length: Ensure the chain is the correct length for your bike's setup. A chain that is too long or too short can impact shifting performance.

Compatibility

The KMC X-flat chain is specifically designed for SRAM 12/13-speed AXS and Transmission/T-Type drivetrains with flat-top chains.

Care

  • Re-waxing:
  • Ensure the chain is dry before applying wax. Dewaxing is not necessary.
  • Shake the bottle and apply wax to the inside of the chain.
  • A single complete turn is sufficient; do not wipe off excess wax.
  • Allow the chain to dry completely before riding, especially in wet conditions.
  • Cleaning: Clean the chain regularly with a dry cloth or brush to remove any dirt or debris before re-waxing.
  • Re-waxing Intervals:
  • Road Bikes: Re-wax after 250 km or at least once a month.
  • MTB, Cross, and Frequent Riders (all weather): Re-wax after 100 km at the latest.

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