ROTOR INspider MTB Power Meter
May 23, 2023$499.00 – $594.00
Now more affordable, lighter and works with round and oval chainrings as small at 30T!
ROTOR INspider MTB Power Meter
The all-new ROTOR INspider MTB Power Meter is more affordable, lighter and has increased chainring options! This spider-based power meter offers dual-leg power measurement for sub-$500. It is compatible with ROTOR KAPIC and KAPIC Carbon cranks and works with ROTOR 100×4 round and oval 1x chainrings which are available in sizes as small as 30T. It’s also extremely lightweight at only 105 grams which makes it 32% lighter than the previous version.
The ROTOR INspider MTB is accurate to +/- 1.5% and features a rechargeable battery with 350 hours of battery life. It has both ANT+ and Bluetooth compatibility which means you can use it with any bicycle computer, smart phone or indoor training app.
Key Product Details
Compatibility:
This power meter is compatible with ROTOR KAPIC and KAPIC Carbon cranksets. 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.
Power Measurement:
The ROTOR INspider MTB Power Meter measures power at the spider and is therefore able to measure power from both legs.
Key Features:
Dual-leg power measurement, accurate to +/- 1.5%, great price, 350 hours of battery life, light at only 105 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. Admittedly, it’s only compatible with ROTOR KAPIC cranksets, but it measures power from both legs, is affordable, lightweight, accurate and works with both round and oval chainrings in sizes as small as 30T. There’s not much more to wish for than that. In fact, even if you don’t have a KAPIC crankset, you can order the power meter with cranks and a chainring for as little as $899. That’s a pretty good deal for a dual-sided power meter crankset!
Compatibility
Cranks: The INspider MTB is compatible with ROTOR KAPIC and KAPIC Carbon cranksets.
Chainrings: The INspider fits ROTOR 100x4 round and oval 1x chainrings which are available in sizes 30T to 36T.
ROTOR INspider MTB Power Meter Specs
| Name | ROTOR INspider MTB |
| Bike Type | MTB |
| Location of Power Measurement | Spider |
| Left or Both Legs Measured | Both |
| Independent Left/Right Measurement | Yes - Power Balance |
| Installation | More involved (60 min. estimated) |
| Chainring Configuration | 1X |
| Speeds | 12-speed |
| Chainline Spacing | Standard, Boost, Super Boost |
| Communication Protocol | ANT+ and Bluetooth SMART |
| Claimed Accuracy | +/- 1.5% |
| Active Temperature Compensation | No |
| Weight | 105 grams |
| Battery Type | Rechargeable |
| Battery Life | 350 hours |
| Method of Cadence Measurement | Accelerometer |
| BCD | 100 mm 4-bolt asymmetric |
| Warranty | 2 years |
In the Box
- ROTOR INspider MTB 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
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