ROTOR INspider ALDHU Carbon Road Power Meter Crankset
March 13, 2025$1,299.00
ROTOR INspider power meter + carbon crankset!
INCLUDES YOUR CHOICE OF CHAINRINGS! SEE CHAINRINGS SECTION BELOW
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ROTOR INspider ALDHU Carbon Road Power Meter Crankset
The ROTOR INspider ALDHU Carbon Road Power Meter Crankset features ROTOR’s spider-based power meter paired with ROTOR ALDHU carbon crank arms! The INspider power meter is only 12 mm thick which allows it to work with even the widest bottom bracket shells, including T47 and 386 EVO.
This crankset is also highly customizable as you can select your crank arm length and chainrings. The ROTOR ALDHU carbon cranks are available with a 30 mm spindle and in a wide range of crank lengths. The INspider can be used in a 1x or 2x chainring configuration with any ROTOR 110 BCD 4-bolt chainring. Additionally, the ALDHU Carbon crank arms are exceptionally light and weigh only 260 grams.
The ROTOR INspider records data via four sets of opposing gauges. It is +/- 1.5% accurate and provides advanced metrics like left and right leg power balance. It is also compatible with Garmin Cycling Dynamics to provide in-depth data on your riding. ROTOR power meters have a higher sample rate than most power meters which allows them to more accurately measure power with both round and oval chainrings. The INspider can be run in either a 1x or 2x chainring configuration using any ROTOR 110 BCD 4-bolt chainring.
~Chainrings~
ROTOR offers several different chainrings that fit this power meter…too many for us to list in the menus above! So on the Checkout Page, just tell us what chainrings to include in your order. No need to add the chainrings you want to your cart – the cost is included with the power meter here! Please view all available ROTOR power meter chainrings.
Key Product Details
Compatibility:
This power meter crankset fits 30 mm bottom brackets and is compatible with a wide selection of ROTOR chainrings. See Compatibility tab for more information.
Power Measurement:
The ROTOR INspider 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%, 350 hours of battery life, lightweight carbon crank arms, 1x and 2x compatible, works great with oval chainrings, rechargeable battery, left/right power balance, ANT+ and Bluetooth compatibility. See Specs tab for more information.
Advice From Our Staff:
These are fantastic cranksets and are highly customizable. The ROTOR power meter measures power from both legs, is accurate and reliable. The ALDHU carbon crank arms are very light and stiff which is perfect for riders looking to maximize weight savings and performance. In addition, you can also run this power meter in a range of configurations (different crank arms and chainrings) to fit your needs.
Options For This Power Meter
- Crank Arm Length: 155 mm | 165 mm | 170 mm | 172.5 mm | 175 mm
Other Versions to Consider
ROTOR INspider ALDHU Crankset: We also have the ROTOR INspider ALDHU Road Power Meter Crankset which features ROTOR aluminum crank arms. This version is more affordable and available with a 24 mm spindle, but the aluminum crank arms are heavier.
Compatibility
Chainrings: The INspider power meter is compatible with a wide selection of ROTOR chainrings. They are designed to work with 9-, 10-, 11-, 12-, and 13-speed groupsets.
Bottom Bracket: This power meter crankset uses a 30 mm spindle and must be used with a 30 mm bottom bracket.
Note - This crankset uses the ROTOR Standard Road Axle. It is designed for road bikes and will not work with gravel bikes that can accommodate 50c or larger tires.
ROTOR INspider ALDHU Carbon Road Crankset Specs
Name | ROTOR INspider Carbon Crankset |
Bike Type | Road |
Location of Power Measurement | Spider |
Left or Both Legs Measured | Both |
Independent Left/Right Measurement | Yes - Power Balance |
Installation | More involved (60 min. estimated) |
Crank Arm Material | Carbon |
Communication Protocol | ANT+ and Bluetooth SMART |
Claimed Accuracy | +/- 1.5% |
Active Temperature Compensation | Yes |
Weight | Varies based on configuration |
Battery Type | Rechargeable |
Battery Life | 350 hours |
Method of Cadence Measurement | Accelerometer |
BCD | 110 4-bolt asymmetric |
Spindle Size | 30 mm |
Q Factor | 147 mm |
Warranty | 2 years |
In the Box
- ROTOR INspider power meter
- ROTOR ALDHU carbon crank arms
- ROTOR Standard Road Spindle
- 1x Chainring bolts
- 2x Chainring bolts
- 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
Common Questions and Answers
Question: Does the ROTOR INspider ALDHU Carbon 2x Road Power Meter Crankset come in a 24 mm version?
- Unfortunately, no. ROTOR only makes the ALDHU Carbon in 30 mm. However, the ROTOR INspider ALDHU 2x Road Power Meter Crankset comes in both 24 mm and 30 mm.
Question: How do I determine what length my current cranks are so I can make sure I get the same size?
- Your crank arm length should be printed or stamped on the inside of the left crank arm, usually near the pedal end.
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