Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Ultegra FC-R8100-POffering all the precision and functionality of the Dura Ace power meter, the Ultegra FC R8100 P power meter comes in a more affordable package. Integrated, waterproof, and rechargeable Li ion battery Up to 300+ hours of ride time. * Depending on ANT+ Bluetooth LE settings Accurate data collection. Software automatically compensates for temperature changes 1. 5% strain gage accuracy throughout the entire calibration range. * Depending on ANT+
- Offering all the precision and functionality of the Dura-Ace power meter, the Ultegra FC-R8100-P power meter comes in a more affordable package.
- Integrated, waterproof, and rechargeable Li-ion battery
- Up to 300+ hours of ride time. * Depending on ANT+/Bluetooth® LE settings
- Accurate data collection. Software automatically compensates for temperature changes
- ± 1.5% strain gage accuracy throughout the entire calibration range. * Depending on ANT+/Bluetooth® LE settings
- Simple zero offset calibration with switch on transmitter
- New pedaling vector function helps you improve your pedal stroke and find increased biomechanical efficiency
- With the new web service SHIMANO CONNECT Lab, your pedal stroke can be analyzed and visualized in more detail than ever before
- HOLLOWTECH II Technology
- Chainrings not included
- BB set not included
Attributes
| BB Inclusion | No |
| BCD | 110 |
| Chainline | 43.5mm |
| Connectivity | ANT+, BT LE |
| Crank Spindle Diameter | 24mm |
| Interface | Hollowtech II |
| Pedals Thread | 9/16'' |
| Primary Color | Black |
| Speed | 12 |
| Teeth | No Chainring |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 998 reviews
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Product Reviews
★★★★★ 5
Quality and “Executive” Look
Style: Dress, Color: Two-Tone Gold/ Blue Dial
Quality you come to expect from Citizen. Looks and feels like a more expensive watch without busting your wallet. I get the most compliments on this watch over any other I own!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2025
★★★★★ 5
For the money you spend, you can't beat it.
Style: Dress, Color: Two-Tone Gold/ Blue Dial
Citizen has the best watches for the money you spend. Can't beat the prices.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
★★★★★ 5
It all good
Style: Dress, Color: Gold Tone Stainless Steel
Very nice watch love it and the price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026
★★★★★ 5
Good
Style: Dress, Color: Gold Tone Stainless Steel
the nicest watch I've used recently
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
★★★★★ 4
As described..handsome watch
Style: Dress, Color: Two-Tone Gold/ Blue Dial
Christmas gifts my sons will remember..beautiful watch.
Easy to adjust the bracelet if you buy the kit..
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 9, 2025
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