The Stages Cycling Power Meter Left Crank Shimano XTR M9100/M9120 in Shadow Grey is a discreet and lightweight power meter designed for Shimano XTR M9100/9120 series cranks. With a 200h battery life, ±1.5% accuracy, and integrated cadence measurement, this power meter is ideal for durable rides. It is easy to swap between bikes and compatible with various apps and smartphones.

• Single-sided power measurement accurate to ± 1.5%
• 200h battery life with a CR2032
• Integrated cadence measurement
• Extremely low weight of 15g
• Durable and automatically temperature compensated
• Easy to swap between bikes
• Compatible with Shimano XTR M9100/9120 cranks
• Works with various apps and smartphones (ANT+ & Bluetooth)
• Only left-sided measurement