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Rotor INPower MTB Crank Arms for Direct Mount Chainrings
Sale price
$249.99
Regular price
$799.00
Prices subject to change. How pricing works →
On sale now — special pricing for a limited time.
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In Stock Ships Immediately
In Stock Ships in 1-2 weeks based on its location
Permanently Sold Out — Chat with us about updated options!
SKU: C13-033-21010-000 Option: 175mm
This item is "Final Sale" and cannot be returned or exchanged
This item is "Final Sale" and cannot be returned or exchanged. Once the order is processed, labeled, or shipped, the order cannot be canceled.
Every item goes through quality control prior to shipping. If there are any imperfections or issues, you will be notified prior to the order being processed.
Items on "Final Sale" are for online only. These items are not at our physical stores for purchase.
Pickup available at RA Cycles Walnut Creek
Qualifying customers may be able to pay with their HSA or FSA through Flex. Flex disclosures (opens in a new tab)
Stock Availability by Location
RA Cycles Brooklyn In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
105 5th Ave, Brooklyn, NY 11217718-636-5242
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
RA Cycles Walnut Creek In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
2099 Mt Diablo Blvd, Walnut Creek, CA 94596925-433-7099
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
Distribution Center - East In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
Distribution Center - Central In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
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Rotor INPower MTB Crank Arms for Direct Mount Chainrings
$249.99
Rotor INPower MTB Crank Arms for Direct Mount Chainrings Info
The Rotor INPower MTB Crank Arms for Direct Mount Chainrings put a left-side power meter directly into the cranks you're already riding — no pedal swaps, no spider replacements, just clean integration built around a left-arm axle that houses four strain gauges in two opposing pairs. That placement keeps the sensing hardware inside the axle where trail debris, mud, and impacts can't reach it. An IP67 waterproof rating means you're not cutting rides short when conditions turn.
The INPower transmits power, cadence, torque, and pedal smoothness data over both ANT+ and Bluetooth, pairing with any standard cycling computer. Pair it with the Rotor Power App and you get access to Torque 360 and Optimum Chainring Angle data — metrics designed to help you understand and refine your pedaling biomechanics over time, not just track numbers. Available in 165mm and 175mm crank lengths to match your setup, and designed to accept direct mount chainrings.
Rotor INPower MTB Crank Arms Specs at a Glance
- Measurement: Left-arm power, cadence, torque, pedal smoothness
- Strain gauges: Four gauges (two opposing pairs) located in the crank axle
- Connectivity: ANT+ and Bluetooth dual transmission
- Waterproof rating: IP67
- Chainring compatibility: Direct mount
PRICE MATCH GUARANTEE
We will price match against advertised or quoted prices from other authorized dealers of the product!