SHIMANO FC-R8100-P Bike Crank Arm without Gear with Power Sensor: Power sensor included
If you're the kind of cyclist who sweats the details (and let's face it, who isn't when it comes to their ride?), the SHIMANO Bike Crank Arm is pretty much a game-changer. It's not just any crank arm—it's got a built-in power sensor that's all about giving you the lowdown on your performance, down to the last watt. And yeah, it's 170mm of pure precision, because who has time for guesswork when you're trying to crush your training or race day?
But wait, there's more (and no, we're not trying to sell you a knife set). This thing is built like a tank—high-quality materials mean it's not going to bail on you when the going gets tough. Plus, it plays nice with SHIMANO systems, so you can plug and play without a hitch. Here's the scoop:
- Get this: accurate power measurement that actually helps you train smarter, not just harder.
- Durable? Check. Reliable? Double-check. This crank arm is the teammate that never calls in sick.
- And of course, it's compatible with SHIMANO systems—because life's too short for compatibility issues.
Features
- 170mm length
- High-quality construction
- Compatible with SHIMANO systems
- Power sensor included
General specs
- Brand: SHIMANO
- Model: FC-R8100-P
- Seller: Joom
- ID: 67cebc406ec34501af4c27b6
- Length: 170mm
- Compatibility: SHIMANO systems
- Features: Power sensor
- First listed by seller: 6/21/25
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Joom
| Date | Price |
|---|---|
| 6/22/25 | $1,221.42 |
| 6/21/25 | $1,278.08 |
Shipping options
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
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SHIMANO FC-R8100-P Power sensor included
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Magene C406pro GPS speed monitoring
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| Brand | SHIMANO | Magene | Magene | IGPSport | Magene | |
| Model | FC-R8100-P | 200s | C406pro | |||
| Color | ||||||
| Rating |
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| Price | $1,221.42 | $25.00 | $26.99 | $79.99 | $14.15 | $81.99 |
| Seller | Joom | Gshopper | Gshopper | Gshopper | Banggood | Gshopper |
| Update | June 21, 2025 | July 25, 2024 | July 25, 2024 | July 25, 2024 | December 9, 2025 | July 25, 2024 |
| Compatibility | SHIMANO systems | Road bikes, Spinning bikes, Trainers | MTB, Road Bike | Most bikes and electric bikes, Road bikes, Mountain bikes, Folding bikes | Bicycles | |
| Features | Power sensor | GPS Navigation, Cadence Sensor, Speedometer, Odometer | GPS speed monitoring, Cycling metrics tracking | |||
| Connectivity | Bluetooth, Ant+ | Bluetooth, ANT+ | Wireless, ANT+ | |||