ROTOR INspider MTB Shimano Power MeterFebruary 27, 2024
Lightweight power meter for Shimano MTB cranksets. Includes a free chainring!
ROTOR INspider MTB Shimano Power Meter
The ROTOR INspider MTB Shimano Power Meter is designed specifically for Shimano MTB cranksets. This spider-based power meter offers dual-leg power for sub-$500. It is compatible with Shimano XTR 9100, XT 8100 and SLX 7100 cranks and works with ROTOR 100×4 round and oval 1x chainrings. A chainring is included in the purchase of this power meter and are available in sizes as small as 30T. The power meter is also very lightweight at only 99 grams.
The ROTOR INspider MTB is accurate to +/- 1.5% and uses a rechargeable battery with 350 hours of battery life. It has both ANT+ and Bluetooth which means you can use it with any bike computer, smart phone or indoor training app.
Key Product Details
This power meter is compatible with Shimano XTR 9100, XT 8100 and SLX 7100 cranks. Regarding chainrings, it works with ROTOR 100×4 round and oval 1x chainrings which are available in sizes 30T to 36T. See Compatibility tab for more information.
The ROTOR INspider MTB Shimano Power Meter measures power at the spider and is therefore able to measure power from both legs.
Dual-leg power measurement, accurate to +/- 1.5%, great price, 350 hours of battery life, light at only 99 grams, 1x compatible, works with chainrings as low as 30T, fits both round and oval rings, rechargeable battery, left/right power balance, ANT+ and Bluetooth compatibility. See Specs tab for more information.
Advice From Our Staff:
This is one of those power meters that’s easy to get excited about. It measures power from both legs, is affordable, lightweight, accurate and works with both round and oval chainrings in sizes as small as 30T.
Other Versions to Consider
ROTOR INspider MTB Power Metter: We also have the ROTOR INspider MTB Power Meter which is compatible with ROTOR Kapic Carbon and Kapic MTB cranksets. This power meter offers the same features, but provides different MTB crankset options.
Cranks: The Shimano INspider MTB is compatible with Shimano XTR 9100, XT 8100 and SLX 7100 cranksets.
Chainrings: The INspider fits ROTOR 100x4 round and oval 1x chainrings which are available in sizes 30T to 36T.
ROTOR Shimano Power Meter Specs
|ROTOR INspider MTB
|Location of Power Measurement
|Left or Both Legs Measured
|Independent Left/Right Measurement
|Yes - Power Balance
|More involved (60 min. estimated)
|Standard, Boost, Super Boost
|ANT+ and Bluetooth SMART
|Active Temperature Compensation
|Method of Cadence Measurement
|100 mm 4-bolt asymmetric
In the Box
- ROTOR INspider Shimano Power Meter
- USB cable for charging
- User's manual
Tools Needed for Installation
You will need the following tools for installation of this product. You can purchase many of these commonly used tools in our store.
- 10 mm Allen key