

Shimano GRX- RX820 Crankset with 4iiii Precision 3+ Single Sided Power Meter - 170mm - No Chainring - Take Off - No Packaging
IFCRX8201CXB2
NOTE: This component was removed from a brand-new, unridden bike. While it does not include the original retail packaging, the component is in new condition and unused condition. A full manufacturer's warranty applies from the date of purchase.
The SHIMANO FC-RX820-1 crank balances weight savings, optimized efficiency and an array of gearing options that cater to the segmented demands of mixed-terrain riding. By pairing a 10-45T or 10-51T cassette with 40T and 42T chainrings, riders can choose closer gear steps or ultimate range. The FC-RX820-1 comes in 170, 172.5, and 175 mm crank arm lengths, providing an additional level of customization.
Their most powerful unit to date, compressed into a smaller, lighter package and featuring support for Apple Find My, the PRECISION 3+ Powermeter is a proven choice of pros and weekend warriors alike. Whether you’re fighting for a Kona qualification spot, logging countless hours on virtual riding platforms or looking to better your time up the local KOM segment, you want accurate and reliable tools to unlock your potential. With up to 800 hours of battery life, an automatic terrain selector, +/-1% accuracy and backed by their industry-leading 3 year warranty, the PRECISION 3+ Powermeter will be your trusted tool for years to come.
There are no chainrings included with this item. Crankarms only.
This component was removed from a brand-new, unused bike that was disassembled to sell the frame separately. While it does not include the original retail packaging, the component is in new condition and has never been ridden or installed by a customer.
A full manufacturer warranty applies from the date of purchase.
First, you'll get 5% back in store credit to use towards future purchases.
When you purchase through us, you get:
- Advice on whether the bike or product suits your needs.
- A professional build for all bikes, which ensures safety. If there is an issue, we can promise you that 99 out of 100 times, it will be resolved quicker than you can in your garage.
- A build history that becomes a service history, ideally. That can be very helpful if you do have any sort of warranty issue.
- Warranty support - Just contact us and we will guide you through the process.



