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KMC X12 Pre-Waxed 126L Bicycle Chain – High-Performance, Low-Maintenance Drivetrain Efficiency
KMC X12 Pre-Waxed 126L Bicycle Chain – High-Performance, Low-Maintenance Drivetrain Efficiency
KMC

KMC X12 Pre-Waxed Bicycle Chain 126L - Gold

£49.99
Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

KMC X12 Pre-Waxed Bicycle Chain 126L - Gold

Brand:KMC

Code:K140AW

The KMC X12 Pre-Waxed Bicycle Chain (126 Links) is engineered for cyclists who demand premium performance, cleaner drivetrains, and enhanced durability. Pre-treated with KMC’s innovative GO CHAIN WAX, this high-quality 12-speed chain delivers superior efficiency and significantly reduces dirt build-up compared to traditional oil-based lubricants. Ideal for road, gravel, and MTB riders seeking optimal shifting and long-lasting drivetrain protection.

  • Pre-Waxed for Maximum Efficiency: Treated with KMC GO CHAIN WAX to reduce friction, repel grime, and extend drivetrain life.
  • 126 Links – 12-Speed Compatible: Perfect for Shimano, SRAM, and Campagnolo systems.
  • X-Bridge Technology: Precision-chamfered inner and outer plates ensure fast, smooth shifting across all terrains.
  • Clean Running: Waxed chains attract less dirt and debris, reducing wear and the need for frequent cleaning.
  • Long-Lasting Protection: Forms a durable barrier that lasts longer than oil-based lubes.
  • Eco-Friendly Formula: Biodegradable and free from PFAS and harsh solvents.
  • Easy Maintenance: No dewaxing required before reapplication.

Premium Coating Options:

  • Silver Nickel-Plated: Corrosion-resistant and wear-resistant for everyday durability.
  • Gold Ti-N Coating: Titanium nitride finish offers extreme hardness, rust resistance, and an ultra-smooth surface for high-end performance.

Optimised for drivetrain longevity, clean performance, and fast shifting, the KMC X12 Pre-Waxed Chain is the go-to choice for performance cyclists seeking reduced maintenance without compromising on speed or reliability.

Technical Information
  • Size
    1/2" X 11/128"
  • Pin Length:
    5.2 mm
  • Links:
    126 Links
  • Waxed:
    Waxed with KMC GO
  • Double X-Bridge
  • Non Directional
  • Missing links included
  • Compatible with:
    All 12x drivetrains (except SRAM Eagle Transmission T-Type, 12-speed road/gravel)
  • Weight per 110L:
    262g
As with any product, specification is subject to change without prior notification. You are advised to confirm current specification before buying.

Recommended Care intervals

  • Road Bikes: KMC recommend to care for your KMC Waxed at the latest after 250 km or at least once a month.
  • MTB, cross and frequent riders in all weather conditions: After 100km at the latest.

Rewaxing

  • The chain must be dry before applying the wax
  • The chain does not need to be dewaxed
  • Shake the bottle and apply to the inside of the chain (One complete turn)
  • Do not wipe off excess wax.
  • Allow to dry completely before riding, especially in wet conditions
Sizing Information
Professional Opinion
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