SHIMANO FC-R8100-P Power Sensor Crankset: Power sensor included
If you're the kind of cyclist who doesn't just ride but trains, the SHIMANO Power Sensor Crankset is pretty much your new best friend. It's got this nifty built-in power sensor that doesn't just guess how hard you're working—it knows, down to the watt. And with a 175mm crank length paired with a 50x34T chainring setup, it's like the Swiss Army knife of cranksets: ready for whatever ride you throw at it.
Why you'll love it? Well, for starters, it turns your bike into a data geek's dream with spot-on power measurements (goodbye, guesswork). Then there's the chainring setup—versatile enough to handle your hill repeats and your flat-out sprints without breaking a sweat. And let's not forget, this thing is built like a tank, so it'll probably outlast your enthusiasm for early morning rides. (Just kidding... maybe.)
- 175mm crank length
- 50x34T chainring configuration
- High-performance design
- Durable construction
- Power sensor included
General specs
- Brand: SHIMANO
- Model: FC-R8100-P
- Seller: Joom
- Crank Length: 175mm
- Chainring Configuration: 50x34T
- Material: High-grade aluminum
- First listed by seller: 6/23/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
SHIMANO FC-R8100-P Power sensor included
|
SHIMANO FC-R8100-P Power sensor included
|
SHIMANO FC-R8100-P Power sensor included
|
SHIMANO FC-R8100-P Power sensor integration
|
SHIMANO FC-R8100-P Power sensor integration
|
SHIMANO FC-R8100-P Power sensor technology
|
|
| Brand | SHIMANO | SHIMANO | SHIMANO | SHIMANO | SHIMANO | SHIMANO |
| Model | FC-R8100-P | FC-R8100-P | FC-R8100-P | FC-R8100-P | FC-R8100-P | FC-R8100-P |
| Color | ||||||
| Rating |
|
|
|
|
|
|
| Price | $1,192.16 | $1,325.64 | $1,376.26 | $1,231.03 | $1,228.86 | $1,229.56 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | August 25, 2025 | August 18, 2025 | August 18, 2025 | August 18, 2025 | August 18, 2025 | August 18, 2025 |
| Crank Length | 175mm | 175mm | 170mm | 175mm | ||
| Chainring Configuration | 50x34T | 52x36T | 52x36T | |||
| Power Sensor | Included | Yes | Integrated | Yes | ||
Power Sensor Crankset
Rachel W.
Seattle, WA
July 2, 2025
As a stay-at-home mom in Seattle, I was struggling to track my cycling progress accurately—just guessing based on feel wasn't cutting it. This crankset solved that by giving me precise numbers on my effort, which has been a game-changer for my training rides. But, I have a couple of nitpicks: it's not the lightest out there, and for the cost, I expected a bit more ease of use. Overall, it does what it promises, but it's not perfect. I could be wrong, but it feels like a solid choice if you're serious about data, though there might be better values in the same price range. Takeaway: It's good, but think carefully before splurging.
- Pros: It's extremely accurate at measuring how hard I'm pedaling, which helps me train smarter. The build feels solid and durable, like it can handle all my rides without issues. I love that it works well for both climbing and fast sprints, making it versatile for different types of workouts.
- Cons: It could be a bit lighter to make my bike feel more nimble, and the price is high compared to similar options. Sometimes the data feels a bit overwhelming, and I wish it was easier to interpret without extra gadgets.