Shimano Deore CS-M4100-10 10-Speed Cassette 11-42T

Mountain bikers tackling steep climbs and technical descents will appreciate the wide gear range of the Shimano Deore CS-M4100-10 cassette. This 10-speed cassette offers an 11-42T spread, giving you the low gearing needed for grinding up long ascents while maintaining a high gear for fast flats. The Hyperglide technology ensures smooth, precise shifting even under load, so you can change gears with confidence when the trail gets rough. Built with durable steel cogs and a nickel-plated finish, this cassette is ready for the demands of aggressive trail riding.

Key specifications

• Speed: 10-speed
• Gear range: 11-42T
• Cog combination: 11-13-15-18-21-24-28-32-37-42T
• Compatible chain: Shimano HG-X 10-speed
• Freehub compatibility: Shimano HG (HyperGlide) 8/9/10-speed
• Series: Shimano Deore
• Technology: Hyperglide (HG)
• Material: Steel cogs, steel spider, nickel-plated finish
• Lockring material: Steel
• Color: Silver

Why choose it

The CS-M4100-10 brings Deore-level performance to your mountain bike without breaking the bank. Its Hyperglide tooth profiling delivers crisp, reliable shifts, while the wide 11-42T range lets you conquer steep terrain with ease. The nickel-plated steel construction resists corrosion and wear, ensuring long-lasting performance season after season.

Ideal use cases

• Cross-country and trail mountain biking
• Upgrading from an 8- or 9-speed drivetrain to 10-speed
• Riders seeking a wide gear range for mixed terrain
• Replacing a worn cassette on a Shimano Deore or compatible 10-speed MTB

Good to know

This cassette is compatible with standard Shimano HG freehub bodies and requires a 10-speed HG-X chain for optimal performance. The individual cogs are removable for easy cleaning and replacement. Always ensure your rear derailleur has sufficient capacity for the 11-42T range.