Shimano XT M8100 Cassette 12 speed 2025

12 speed XT M8100 adopt Shimano new technologies for its construction namely Hyperglide+ that provides faster, quieter and smother shiftings while pedaling and MicroSpline new driver body interface to have a 10 teeth small cog. It's composed of 10 firsts cogs made from steel and 2 biggers from aluminium to save weight.

Features

• Material 10 to 36 or 10 to 39T sprockets: Steel
• Material 40 and 45 or 45 and 51T sprockets: Aluminium
• Speed: 12
• Gearing:
    - 10-45 teeth: 10-12-14-16-18-21-24-28-32-36-40-45
    - 10-51 teeth: 10-12-14-16-18-21-24-28-33-39-45-51
• Technologies:
    - Hyperglide+: Very fast, smooth and quiet shifs while pedaling
    - Micro Spline: More resistant freehub licensed by Shimano
• Driver body compatibility: Micro Spline
• Drivetrain compatibility: Shimano MTB 12 speed
• Colour: Grey and black

Shimano weights

• 10-45 teeth: 461g
• 10-51 teeth: 470g