Shimano Tiagra CN-4601 10-Speed Chain

Shimano Tiagra CN-4601 10-Speed Chain Shimano

Shimano Tiagra CN-4601 10-Speed Chain

Shimano Tiagra CN-4601 10-Speed Chain

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What Is the Shimano Tiagra CN-4601 and Where Does It Fit?

The CN-4601 is Shimano's Tiagra-series Hyperglide 10-speed road chain, designed specifically for road triple drivetrain applications including Ultegra 6703 and 105 5703 triple crankset setups where chain line angles across three chainrings demand a chain with directional plate geometry calibrated for that shifting pattern. This is not a general-purpose 10-speed chain: it is specifically tuned for road triple use and is not compatible with Shimano 10-speed Dyna-Sys mountain bike drivetrains, which use a different chain width and plate geometry. The directional inner and outer plate design orients each plate's contact geometry to align optimally with the Hyperglide cog tooth profile for clean, quiet engagement and smooth lateral chain movement during shifts even under high pedaling load.

The CN-4601 uses chromized rivet pins that increase hardness at the pin-plate interface, the highest wear point in any chain, which extends service life compared to standard uncoated pins by resisting the abrasive wear that elongates chain pitch over time. Perforated side plates reduce weight without compromising structural integrity. Chain length is 116 links and should be sized to the correct length using standard chain sizing method for the specific crankset and cassette combination. For road cyclists maintaining a Shimano 10-speed triple road drivetrain who need the correct Hyperglide chain specification for proper shifting performance across three chainrings, the CN-4601 is the accurate replacement to run.

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Specifications

  • Series: Tiagra
  • Speed: 10-speed road
  • Links: 116 (cut to length)
  • Profile: Hyperglide, directional plates
  • Pin treatment: Chromized for wear resistance
  • Compatible drivetrains: Ultegra 6703, 105 5703 triple road
  • Not compatible with: Shimano 10-speed Dyna-Sys MTB drivetrains

FAQ

Why can't I use the CN-4601 on a Dyna-Sys MTB drivetrain?

Shimano's 10-speed road (Hyperglide) and 10-speed MTB (Dyna-Sys) chains use different inner plate widths and profile geometries that are tuned to their respective cog tooth profiles. Using a road chain on Dyna-Sys cassettes will produce poor shifting, noise, and rapid wear on both the chain and cassette.

What does the directional plate design mean for installation?

The CN-4601 has a specific orientation that must be observed during installation. Shimano marks the correct chain direction on the outer plate. Always install the chain with the directional markings running in the correct direction of travel (drivetrain side) to ensure the plate geometry works as intended with the cog teeth.

Does the CN-4601 work with a 10-speed double road crankset?

Yes. While the CN-4601 is specifically designed and specified for triple crankset applications, it will function correctly on a 10-speed double road drivetrain as well. The directional plate geometry and Hyperglide profile are compatible with all Shimano 10-speed road cog profiles.

Best For

Road cyclists on Shimano Ultegra 6703 or 105 5703 triple drivetrains, and any Shimano Hyperglide 10-speed road application, who need a correct-spec chain replacement with chromized pins and directional plate geometry.

Shimano Tiagra CN-4601 10-Speed Chain Reviews:

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