JGbike 10 Speed MTB Groupset for Shimano Deore M4100 | 11-46T Cassette

Struggling with a clunky, outdated drivetrain that makes every climb feel like a chore? If your current , , or 9-speed setup is skipping gears or leaving you exhausted on steep trails, you know how frustrating it is to lose momentum when you should be enjoying the ride.

Imagine shifting into a smooth, reliable 10-Speed Drivetrain that handles steep inclines with ease. With a wide-range cassette, you can conquer hills without the complexity of an 11-speed system, giving you a lightweight, efficient, and responsive ride that makes every trail feel like a breeze.

The JGbike MTB Groupset is the perfect bridge to this upgraded experience. Designed for compatibility with Shimano Deore M4100 components, this kit includes everything you need to modernize your bike:

• Rear Derailleur: Shimano RD-M5120-SGS (medium cage) for precise shifting.
• Shift Lever: RAPIDFIRE PLUS SL-M4100-R with an optical gear display.
• Cassette: Wide ratio 11-46T (or 11-42T) for maximum climbing power.
• Chain: Cost-effective KMC X10 chain.

Whether you are upgrading a 26", 27.5", or 29" mountain bike, this groupset offers the performance you need to level up your cycling adventures today.