SHIMANO FC-RX820-2 Grx Crankset Precision Power Meter 48/31 170MM 4IIII

( Brand: Shimano ), ( Type: Crank Arm ), ( Measurement Provided: Power ), ( Color: Black ), ( Features: Works With Apple Find My ), ( Material: Metal ), ( Manufacturer Part Number: FC-RX820-2 ), ( Sport/activity: Cycling )

Review SHIMANO Grx Fc-rx820 48/31 Crankset 170mm Precision Power Meter

The Shimano FC-RX820-2 GRX FC-RX820 48/31 crankset is a high-performance component designed for gravel and adventure cycling. This crankset is part of Shimano's GRX groupset, engineered to provide versatility and reliability for riders who seek to explore off-road terrain.

The FC-RX820 crankset features Hollowtech II technology, which uses a hollow axle to reduce weight and improve stiffness. The crank arms are constructed from forged alloy, ensuring durability and strength. The 48/31 compact chainring configuration offers a wider gear range, ideal for conquering various types of terrain encountered on gravel rides.

What sets this crankset apart is the integration of the 4iiii precision power meter. This advanced technology measures power output in real-time, helping you monitor your performance, optimize your training, and reach your goals. The power meter is accurately calibrated and easy to install, with no need for additional wires or external sensors.

The FC-RX820 crankset is compatible with Shimano's HG-FG701 chain and comes with a dedicated chainring protector to ensure optimal chain engagement and longevity. This crankset is designed for use with a 170mm crank length and is suitable for both left and right-hand installations.

With its sleek design, proven performance, and integrated power measurement capabilities, the Shimano FC-RX820-2 GRX FC-RX820 48/31 crankset is an excellent choice for riders who demand precision, reliability, and versatility in their gravel cycling adventures.

The Shimano FC-RX820-2 GRX FC-RX820 48/31 crankset with a 170mm length and a 4iiii precision power meter is an advanced component for cyclists who aim to improve their training and performance by measuring power output. Here are some pros and cons to help you make an informed decision about purchasing this crankset:

1. Integrated Power Meter: The most significant advantage of this crankset is the integrated 4iiii precision power meter. It measures power at the pedal axle, providing accurate and reliable power data that can help cyclists train more effectively and efficiently.

2. Compatibility: The FC-RX820 crankset is part of Shimano's GRX groupset, designed for adventure and gravel bikes. Its wide compatibility with various frame sizes, chainrings, and bottom bracket standards makes it a versatile option for cyclists.

3. Durability: Shimano components are known for their robustness and longevity. The FC-RX820 crankset is no exception, as it is built with high-quality materials and advanced manufacturing techniques to ensure a long lifespan.

4. Efficiency: The FC-RX820 crankset is designed to provide optimal power transfer from the pedals to the wheels, resulting in improved efficiency and faster cycling speeds.

5. Customizability: The FC-RX820 crankset comes with various chainring options, allowing cyclists to customize their gear ratios based on their riding style and terrain.

1. Expense: The FC-RX820 crankset with a built-in power meter is a premium component, and its price point may be prohibitive for some cyclists.

2. Weight: The integrated power meter adds extra weight to the crankset, making it heavier than non-powered alternatives. This can affect the overall weight and performance of the bike.

3. Complexity: The FC-RX820 crankset's power meter functionality requires regular calibration and maintenance to ensure accurate data. This can add complexity to the cycling experience, especially for those who are not tech-savvy.

4. Limited Compatibility with Other Power Meters: If you already have a power meter or plan to use a different one in the future, the FC-RX820 crankset may not be the best choice, as it is only compatible with the 4iiii precision power meter.

The Shimano FC-RX820-2 GRX FC-RX820 48/31 crankset with a 170mm length and a 4iiii precision power meter is an advanced and premium component that offers numerous benefits for cyclists, such as accurate power measurement, compatibility with various frame sizes and chainrings, durability, efficiency, and customizability. However, it also comes with potential drawbacks, such as its high expense, added weight, complexity, and limited compatibility with other power meters. Ultimately, the decision to purchase this crankset depends on your individual needs, preferences, and budget. If you value the benefits of an integrated power meter and are willing to invest in a premium component, then the FC-RX820 crankset may be an excellent choice for you. However, if you are looking for a more affordable or lighter alternative, you may want to consider other options.

If you are serious about training and performance and are looking for an accurate and reliable power meter, the Shimano FC-RX820-2 GRX FC-RX820 48/31 crankset with a 170mm length and a 4iiii precision power meter is an excellent choice. Its advanced features and compatibility make it a versatile option for cyclists, especially those who ride adventure and gravel bikes. However, be prepared for the added expense, weight, and complexity that come with an integrated power meter. If you are unsure about the benefits of a power meter or cannot afford the premium price point, consider exploring other options, such as external power meters or non-powered cranksets.

Details:

Removed so I could install a 165 crank. Shimano GRX FC-RX820 crankset with 4IIII Precision 3 power meter crank arm. 170mm crank arm length - 48/31T Chain rings Never ridden, brand new takeoff from a Canyon Grail, so no factory packaging included. Never even threaded on a set of pedals.

part #: fcrx8202 prices

• $245.00-$459.99

specifications velocipedespark:

• brand: Shimano
• type: Crank Arm
• measurement provided: Power
• color: Black
• features: Works With Apple Find My
• material: Metal
• manufacturer part number: FC-RX820-2
• sport/activity: Cycling

shipping velocipedespark:

• carrier: UPS
• class: Standard
• transit: 4-10 Days
• service: UPS Ground
• cost: $20.00
• type: Fixed

seller velocipedespark:

• city: Willard, North Carolina
• # reviews: 3
• rating: 0.0%

general velocipedespark:

• Cycling > Bicycle Electronics > Power Meters
• condition: New other see details

offer velocipedespark:

• options: Ship-to-home
• quantity: 1
• started: February 16, 2026
• availability: In Stock
• sold: 0

returns velocipedespark:

• policy: No Returns

payments velocipedespark:

• credit card: Mastercard
• other
• wallet: Google-pay
• money order

Shimano FC-RX820-2 Is Similar To:

• 4iiii Pml300-s21d00j Precision 3 Shimano Xtr M9100 Power Meter 175 Mm (36.9% similar) 175MM installed but never used on a ride. 4 iiii precision 3 Shimano ctr M9100 power meter...(June 19th, 2024)
• Shimano R8100 Stages Ultegra Dual-sided Power Meter (43.5% similar) Used for 400 miles. Still works well, I changed out for a slightly longer crank as it was too short me...(June 19th, 2024)
• Stages Fc-9000 Shimano Dura-ace Left Road Bike Crank Arm Power Meter 172.5mm (39.3% similar) Enhance your cycling experience with the Shimano Duran-ace FC-9000 left road bike crank arm equipped a stages power meter. Works great with very little signs of use, connects Bluetooth or ant includes a battery, bolts, and the end locking cap not pictured. This top-of-the-line crank arm is made...(June 20th, 2024)
• Stages Cycling 9200 Shimano Dura Ace Power Meter 172.5mm Left Crank Arm Road Bike-gen 3 (27.6% similar) Stages power meter - 172.5MM length Shimano Duran ace 9200 works great, very low mileage, firmware is up to date I'm asking $399 shipped...(June 24th, 2024)
• Garmin 0100238802 Rally Rs200 Dual Sensing Power Meter Pedals For Shimano Cleat (22.9% similar) They still look and act brand new. This set of Garmin dual sensing rally rs pedals for Shimano cleat is in excellent condition with no scratches or scrapes...(June 27th, 2024)
• Shimano Fc-r8000 Ultegra Stages Power Meter 175mm (49.3% similar) However, this power meter has always been about 10% low. Stages power meter, left side only, 175MM, i've used this power meter for years. I'm selling it cheap for someone who wants to try out a power meter. I've been riding with power meters for more than 15 years. Or maybe use it on a...(June 27th, 2024)
• Shimano Cm-1000 Sport Camera With Wifi 32gb Micro Sd Memory Card (42.4% similar) Capture your adrenaline-filled cycling moments with this Shimano sport camera. With its waterproof, lightweight, and shockproof features, you can take it both in doors out doors. This sport camera is made of durable plastic material and has WiFi connectivity for easy transfer files...(June 28th, 2024)
• Shimano Fc-r9200-p Dura-ace 172.5mm 52 36t 12-speed Power Meter Crankset 759g (46.3% similar) To be eligible for a return, the item must in same condition as when it was received. Frame and wheels ship via FedEx ups ground. This includes details like a thorough visual inspection of carbon surfaces a more advanced ultrasound process is in the works, measuring lateral true on all wheels...(July 22nd, 2024)
• Stages Cycling R7000 Shimano 105 Power Meter 170mm (32.1% similar) Stages Shimano 105 R7000 170MM left crank power meter in great condition...(August 1st, 2024)
• Stages Cycling 1r7ldb Shimano R7000 105 170mm Power L Meter Crankarm Black (36.8% similar) Only really used for a hand full of rides and only selling because I now have pedal power meters. Comes with everything it did when purchased new. The black color and sleek design make it a stylish choice for any cyclist. This crank arm is suitable for all types of cycling...(August 3rd, 2024)
• Magene Pes-p505-165 Pes-p505 Power Meter Crankset 650g 1.5 Accuracy Shimano Compatible (21.8% similar) Super easy calibration operation: support. So that you can record data in multiple terminal for one workout. Ant /Bluetooth connection compatible with various and Bluetooth devices, can be connected to major brand bike computers such as ma gene, Garmin Bryon, etc. It enables riders to grasp the...(August 4th, 2024)