Shimano chain 12s CN-M8100

Shimano CN-M8100: the 12-speed chain engineered for MTB performance

In the demanding world of modern mountain biking, every component matters. And when it comes to drivetrain efficiency, the 12-speed chain plays a central role. The Shimano CN-M8100 chain, specifically designed for the brand’s Deore XT 12-speed MTB groupset, delivers the innovation and reliability that mountain bikers expect—whether you're racing, climbing, or riding technical trails.

A 12-speed MTB chain built for smooth, precise shifting

The Shimano CN-M8100 stands out thanks to its optimized design for Hyperglide+ drivetrains. This technology ensures faster, smoother gear changes with seamless shifting even under load or while climbing. The inner and outer plates have been redesigned to improve chain engagement with both cassette and chainring, reducing chain drops and improving overall power transfer.

Key features of the CN-M8100 chain

• Compatibility: Shimano 12-speed MTB groupsets

• Technology: Hyperglide+, Dynamic Chain Engagement+

• Surface treatment: Chrome-plated for increased durability

• Links: 126 links (standard version), includes Quick-Link

• Weight: Approx. 252 g (for 116 links)

• Recommended use: XC, enduro, trail riding, and electric MTB 12-speed setups

A durable, robust 12-speed MTB chain

Engineered to withstand the toughest conditions, the CN-M8100 features a reinforced surface treatment that improves wear resistance and corrosion protection. This significantly extends the life of the chain, even on muddy or sandy trails. With its Quick-Link connector, installation and removal are quick and easy—ideal for on-the-go maintenance or cleaning.

For those riding an electric MTB 12-speed, this chain is an excellent choice. It’s built to handle the extra torque and stress generated by e-MTB motors without sacrificing smooth, quiet performance.

Why choose the Shimano CN-M8100 ?

Choosing the CN-M8100 means investing in a high-performance bicycle chain designed for durability, efficiency, and seamless shifting. Whether you ride for fun or competition, on a classic or electric mountain bike, this chain is a core component for a reliable and silent drivetrain.

In summary :

• 12-speed chain optimized for modern MTB drivetrains

• Compatible with Deore XT and SLX 12-speed groups

• Long-lasting thanks to anti-wear treatment

• Perfect for 12-speed electric mountain bikes

• Easy to install with Quick-Link connector

Regularly cleaning and lubricating your 12-speed MTB chain is essential to maintain performance and extend its lifespan. Don’t wait for signs of wear—your drivetrain starts with a chain in top condition.