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Smooth Shifting, Rock-Solid Durability Even Under Motorized Torque

Engineered to excel across a spectrum of riding stylesfrom mountain trails to electric-assist power ridesthe Shimano CN-M8100 chain delivers hyper-responsive shifts, improved chain retention, and long-lasting reliabilityall optimised for 12-speed HyperGlide+ (HG+) drivetrains.


Performance Highlights

  • E-Bike Rated Strength
    Built to withstand the extra torque from e-bike motors, this chain is reinforced for rugged conditions without sacrificing agility.

  • HyperGlide+ Precision
    Its computer-designed plates and asymmetric design mean smoother, quicker shiftsup to a third faster than standard HyperGlide systems, even under load.

  • Dynamic Chain Engagement+ (DCE+) Compatibility
    Features extended inner plates for superior chain retention and seamless integration with Shimanos DCE+ chainrings and cassettesreducing chain bounce and drop during rough terrain or sprinting.

  • SIL-TEC & Chromized Surface Treatment
    The inner and outer links, along with rollers, are treated with PTFE-based SIL-TEC plating and chromization for ultra-smooth operation, reduced friction, and increased wear resistance.

  • Quick-Link Installation
    Includes Shimanos SM-CN910-12 Quick-Link for fast, tool-free connectionperfect for speedy maintenance or chain replacement.


Technical Snapshot

Specification Details
Compatibility Shimano 12-speed HG+ drivetrains (Deore XT M8100, Ultegra R8100)
E-Bike Rated Application Designed for e-MTB drivetrain durability
Surface Treatment SIL-TEC on pins & plates; Chromized rollers
Shifting Tech HyperGlide+ design; ~1/3 faster shifts under load
Chain Retention Longer inner plates link seamlessly with DCE+ components
Connection Includes SM-CN910-12 Quick-Link
Lengths / Links Available in multiple lengths: 116, 126, or 138 links
Weight Approximately 252 g (116-link version)

Why Choose It for Your Ride (at Cyclesy)

  • E-Bike Ready: Specifically rated to endure e-bike demandsthink higher torque and longer service intervals.

  • Fast, Crisp Shifts: HyperGlide+ technology keeps shifts precise and confidenteven under heavy pedaling or motor assist.

  • Engineered Retention: DCE+ compatibility means less chain drop and smoother pedaling in rough or technical terrain.

  • Extended Wear Life: SIL-TEC and chromizing treatments reduce friction and bolster chain longevity.

  • Effortless Maintenance: Quick-Link makes chain replacement a breezeno tools needed.


Elevate your drivetrain performance with the Shimano CN-M8100 12-Speed Chainwhether you're pushing through rugged e-MTB terrain, sprinting on gravel, or pushing the limits of your 12-speed setup with confidence and efficiency.