Shimano XT CS-M8100 12-speed Cassette 10-45

Shimano XT CS-M8100 12-speed Cassette 10-45



  • 10-45 (10-12-14-16-18-21-24-28-32-36-40-45 teeth)

Availability: Out of stock
Barcode: 4550170443832
SKU: ICSM8100045 Categories: , , Tags: , , , ,
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Shimano XT CS-M8100 12-speed Cassette

The Shimano CS-M8100 is the suitable cassette for new XT 12-speed group. HYPERGLIDE+ drivetrain’s redesigned cassette and chain promotes the next generation of MTB riding by enhancing speed, shifting efficiency and smoothness over any terrain.

The original mountain bike group continues its legacy: the XT 12-speed cassette CS-M8100 from Shimano

The original mountain bike group continues its legacy of remaining the standard for mountain bikers everywhere. Nearly three decades in, the DEORE XT brand is defined by its trail-tested durability, reliability and performance. Recognizing that today’s mountain bikers are riding faster and confidently on more technical terrain, the legacy of DEORE XT is more important than ever. In 2019, our pinnacle mountain bike technologies will  trickle down to SHIMANO DEORE XT M8100.

Features – XT CS-M8100 12-speed Cassette

  • Gearing options
    • 10-45T (12-speed rhythm step spec for Cross Country)
    • 10-51T (12-speed wide range spec for Enduro)
  • Hyperglide+ quicker shifting
  • Material Aluminium & steel
  • BEAM SPIDER construction Increased acceleration
  • MICRO SPLINE 10T lowest sprocket realized by new FREEHUB body construction
  • Compatibility 1x or 2x chainring systems

Product features

  • Use: MTB
  • Group: XT M8100
  • Model: CS-M8100-12
  • Type: Hyperglide+
  • Gear: 1×12-speed / 2×12-speed
  • Compatible chain: CN-M8100 12-speed

Gradation (choose variant)

  • 10-45 (10-12-14-16-18-21-24-28-32-36-40-45 teeth)
  • 10-51 (10-12-14-16-18-21-24-28-33-39-45-51 teeth)


  • Aluminium
  • Steel


  • approx. 461g – 10-45 (manufacturer information)
  • approx. 470g – 10-51 (manufacturer information)

Scope of delivery

  • Shimano XT 12-speed Cassette CS-M8100 incl. Lock Ring Aluminum


MICRO SPLINE delivers lightweight aluminum FREEHUB body to reduce weight and 10 teeth top gear. Use combination with MICRO SPLINE cassette sprocket and FREEHUB.

Benefits & Features

  • 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.

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

Benefits & Features

  • 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.

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).

Shimano’s 12-speed DEORE XT M8100

First lock: Shimano Deore XT M8100

Manufacturer Item no.: ICSM8100051
EAN: 4550170443849
UPC: 192790443843

Additional information

Weight 0,4 kg
Speed Number



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8-21 Αυγούστου Κλειστά λόγω διακοπών.
Όλες οι παραγγελίες του eshop που θα πραγματοποιηθούν μεταξύ 8-21 Αυγούστου θα διεκπεραιωθούν μετά τις 21/8
Καλό καλοκαίρι σε όλους!!! See you at the bike parks !