Rotor INpower Direct Mount MTB Crankset with Power Meter

The Rotor INpower Direct Mount MTB Crankset is a high-performance mountain bike crankset designed for riders who want accurate power measurement, lightweight construction, and reliable durability. Featuring the INpower power meter integrated inside the spindle, this crankset measures left-leg power output with exceptional precision while protecting the electronics from mud, water, and trail impacts. The Direct Mount chainring system is CNC-machined from premium 7075 aluminum, helping reduce weight while improving power transfer efficiency. Compatible with multiple bottom bracket standards and drivetrain setups, the Rotor INpower crankset delivers valuable performance data including power, cadence, torque effectiveness, pedal smoothness, Torque 360, and OCA. Whether you are training, racing, or tracking long-term performance improvements, this crankset provides the data and reliability needed to ride smarter and stronger on every trail.

Key Features

• Integrated Power Meter: INpower power meter housed inside the spindle for enhanced protection and reliability

• Accurate Measurement: Measures left-leg power with an accuracy of ±1.5%

• Direct Mount Design: Lightweight chainring mounting system improves stiffness and reduces weight

• Premium Construction: CNC-machined 7075 aluminum chainrings for durability and performance

• Advanced Ride Metrics: Tracks power, cadence, torque effectiveness, pedal smoothness, Torque 360, and OCA

• Long Battery Life: Up to 300 hours of riding time on a rechargeable battery

• Wireless Connectivity: ANT+® and Bluetooth® compatibility for easy pairing with cycling computers and apps

• Water Resistant: IP67-rated protection against dust and water exposure

• Optimized Power Transfer: Designed to maximize pedaling efficiency and drivetrain performance

• Broad Compatibility: Works with multiple frame and drivetrain standards

Product Specifications

• Product Type: MTB Direct Mount Crankset with Power Meter

• Crank Length Options: 165 mm, 170 mm, 175 mm

• Chainring Sizes: 28T, 30T, 32T, 34T, 36T, 38T

• Weight: 631 g (170 mm with R50/34T DM setup)

• Axle/Spindle Diameter: 30 mm

• Q-Factor: 169 mm

• BCD: Direct Mount

• Chainline: 52 mm

• Measurement Type: Left Leg

• Power Accuracy: ±1.5%

• Battery Life: 300 hours riding time

• Battery Type: Rechargeable via USB cable

• Connectivity: ANT+®, Bluetooth®

• Water Resistance Rating: IP67

• Frame Compatibility: BSA, BB30, BB89, BB92, PF30, T47

• Group Compatibility: Shimano® 1x12, Shimano® 1x11, SRAM® 1x11

Power Meter Technology

The INpower system places the power meter safely inside the spindle, protecting sensitive electronics from external impacts, dirt, and harsh weather conditions. This design ensures reliable performance in demanding mountain bike environments while maintaining highly accurate power readings. Riders can easily connect the system to compatible cycling computers and training platforms for detailed ride analysis and performance tracking.

Easy Operation / Usage

• Install the crankset using the appropriate bottom bracket standard

• Pair the power meter with your cycling computer or smartphone using ANT+® or Bluetooth®

• Charge the battery using the included USB charging cable

• Calibrate according to manufacturer recommendations for optimal accuracy

• Start riding and monitor performance metrics in real time

• Review training data to improve fitness and riding efficiency

Why Choose This Product

• Reliable spindle-based power meter design

• Lightweight and durable Direct Mount construction

• Accurate performance tracking for training and racing

• Long-lasting rechargeable battery

• Advanced cycling metrics beyond standard power readings

• Excellent resistance to water, mud, and trail conditions

• Wide compatibility with modern MTB drivetrains and frame standards

• Trusted Rotor engineering for premium cycling performance

In the Box

• INpower Power Meter

• Oval Q Rings Direct Mount or Round Direct Mount Chainring

• Spacer Set

• Spider Nut Tool