Shimano XTR CS-M9101-12 12 Speed MTB Cassette Sprocket

$629.99

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With its Beam Spider construction, the XTR M9100 12-speed cassette shaves weight while increasing Shimano's MTB gearing range another gear

Using Shimano's new Micro Spline freehub body and Hyperglide+ tooth profile, these 10-45 and 10-51T cassettes deliver the best MTB shift experience on offer.

Features

  • Definitive shifting -Let you pedal continuously while shifting
  • Increased acceleration by reducing inertia and weight by BEAM SPIDER construction
  • Lightweight aluminum Micro Spline Freehub seamlessly integrates with small 10-tooth top gears
  • Smaller and more widely distributed splines limit cog damage on lightweight aluminum Freehub
  • Better chain engagement, stronger retention, and smoother pedaling provide greater power and confidence over rapidly changing terrain
  • Definitive up & down shifting in both directions boosts riders' concentration and acceleration
  • Ultra-efficient drivetrain with smoother power transmission increases comfort and reduces rider stress
  • A wide range of gearing choices, cassette options and the choice of a single or double front chainring, support a wide variety of MTB riding styles, abilities and preferences.

Technologies

Micro Spline: Micro Spline delivers lightweight aluminum Freehub body to reduce weight and 10 teeth top gear.

Use combination with Micro Spline cassette sprocket and Freehub.

Hyperglide+: Hyperglide+ drivetrain's redesigned cassette and chain promotes the next generation of MTB riding by enhancing speed, shifting efficiency and smoothness over any terrain.

Hyperglide+ will help kickstart the next generation of mountain bike riding by introducing continuous pedaling over virtually any terrain. This revamped drive system and dedicated chain deliver fast shifting, efficient power transfer and chain stability like you've never experienced before.It helps riders adapt to drastically changing trail conditions by precisely judging the optimal shifting moment for consistently smooth operation. Hyperglide+ helps riders seamlessly maneuver rough trails by reducing pedaling shock and cutting shifting times by a 1/3. (vs. current HG system)

Specifications

Series XTR M9100 Series
Gear Combinations 10-45T: 10-12-14-16-18-21-24-28-32-36-40-45T

10-51T: 10-12-14-16-18-21-24-28-33-39-45-51T
Average Weight 357g (10-45T) 367g (10-51T)
Rear Speeds 12
Compatible chain HG 12-speed
Aluminum gears 3
Aluminum spider arms 1
Steel gears 4
Titanium gear 5