Shimano GRX FC-RX820-1 Crankset - 172.5mm 12-Speed 40t 110 BCD Hollowtech II BLK
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The Shimano FC-RX820 crank balances weight savings optimized efficiency and an array of gearing options that cater to the segmented demands of mixed-terrain riding.
| Color | Black |
| Rings | 40 |
| Number of Chainrings | Single |
| Crank Length (mm) | 172.5 |
| Crank Intended Use | Gravel |
| Drivetrain Speeds | 12 |
| Weight | 644 |
| BB Included | No |
| Pedal Spindle | 9/16" |
| Spindle Interface Type | Shimano Hollowtech II |
| Chainring BCD | 110 Shimano Asymmetric |
| Chainline/Hub Compatibility | 135/142 Road Disc Hubs > 415 mm Chainstay |
| Defined Color | Black |
| Crank Length | 172.5Mm |
| Chainring Configuration | 40T Single |
Shipping Policy
Components:
All component items (wheels, drivetrains, suspension, brakes, etc.) ship within 1–4 business days of purchase.
Bicycles:
Complete bikes typically ship within 2–3 weeks due to build, tuning, and inspection times. You will receive tracking information as soon as your order is ready to ship.
Riding Gear & Apparel:
Riding gear and apparel orders (helmets, jerseys, gloves, etc.) ship within 1–3 business days.
Returns & Exchanges:
If you received the wrong size or wish to exchange an item, it must be returned in original condition—unused, uninstalled, and with all packaging intact.
For full details, please see our Refund Policy before initiating a return.