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Stages Power L - Shimano XT M8100/8120


The Stages Power L for Shimano XT M8100/8120 is built onto the non-drive side of a Shimano XT M8100/8120 crank arm and is compatible with all frames that fit Shimano XT M8100/8120 cranks... Read more



The Stages Power L for Shimano XT M8100/8120 is built onto the non-drive side of a Shimano XT M8100/8120 crank arm and is compatible with all frames that fit Shimano XT M8100/8120 cranks.

Power is the most accurate way of measuring your effort on the bike, and Stages Power meters are ridden by world and national champions in every cycling discipline. Stages Power for MTB is ridden by some of the best riders in the world, including BMC Factory Racing and Trek Factory Racing XC.

Stages Power meters hold an industry best accuracy for non-scientific power meters. Each Stages Power meter is calibrated individually to ensure a ±1.5% accuracy level.

Consistency of measurement is the most important feature of a power meter. Stage Power was the first meter to make temperature compensation an automatic process, ensuring accurate readings regardless of environmental conditions.

The Stages Power L for Shimano XT M8100/8120 provides an excellent way of measuring efforts whether you are out on the trails, training, and even race day. Lifetime access to Stages Link is included and provides you with power meter management and firmware updates.

Compatibility with Training Peaks, Strava, and Garmin amongst other training software means Stages Power will easily integrate with however you currently monitor your riding.


  • Stages Power Accuracy: ±1.5% (Compares with Generation 2.0 Accuracy: ± 2%)
  • Weight: Only adds 15gr to base crank arm
  • Battery Life: 200+ hours (coin cell: CR2032)
  • Power range (Watts): 0 to 2500
  • Cadence range (rpm): 20-220
  • Water resistance rating: IPX7
  • Frame Compatibility: Most frames, see fit guide in our Support section
  • Device Compatibility: ANT+, Bluetooth Smart Ready
  • Software Compatibility: Stages Link, Training Peaks, Strava, Garmin Training Center and others


  • Active temperature compensation
  • Accelerometer based cadence measurement
  • Tool free battery replacement
  • Lifetime access to Stages Link for power meter management and firmware upgrade

ABOUT Stages

When Stages revealed its first power meter in 2012, it changed the world of training with power forever. The combination of simplicity, accuracy, wide crankset compatibility, user-friendliness and incredible value re-shaped the marketplace to bring power to every rider. Since then, Stages can count three Tour de France and one Giro d'Italia victories in its palmarès while the brand has continued to innovate with carbon and dual-sided power meter designs and its next-generation Dash head unit. Read more about Stages.


Founded by real cycling enthusiasts in 2004, our passion for elite performance runs through everything we do at Saddleback. Our team of dedicated roadies, mountain bikers and triathletes practice what we preach to bring you the finest cycling products and a superior service to match. We're the official UK home of Abbey Bike Tools, Castelli, Chris King, ENVE, HJC, Moots Cycles, Pivot Cycles, PUSH, Sidi, Silca, Sportful, Stages, Troy Lee Designs and Wolf Tooth.


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