Product Details
Lighter front shifting operation and easier setup for mixed-terrain riding
The SHIMANO GRX RX-820-F front derailleur offers lighter front shifting operation and easier setup thanks to its toggle link construction and integrated cable tensioner. Features include a 2.5 mm outboard chain line design that provides wider tire clearance for mixed-terrain riding, and it accommodates a 17T front chainring range for wider gearing options.
Features
Lighter front shifting
Smooth and natural shift action
Toggle link construction
Wider tire clearance
Chain line +2.5 mm vs. conventional road front derailleur
Wider range front gearing
17T range
Precise and easy front derailleur adjustment
Routing options include bare shift cable and integrated cable housing stop
Integrated cable tension adjustment
Technical Specifications
MODEL NO: FD-RX820
SERIES: GRX 12-speed
Average weight: 96
Front speeds: 2
Rear speeds: 12
Compatible chain: HG 12-speed
Chain line (mm): 47
Chainstay angle (deg.): 63-66
Top gear teeth: 46-48T
Total capacity: 17T
What Sets Alchemy Apart
The best pre-owned bikes
When you buy a pre-owned bike from Alchemy Cycle Trader, you’re getting more than just a great deal. Every bike is roadworthy certified, comes with a 3-month warranty, and includes your first service free - so you can ride away with complete confidence.
Buy with confidence
In-house Active Thermography Carbon Fibre Testing for extra peace of mind on pre-owned bikes.
Learn more about our carbon testing.
Expert Servicing & Ongoing Support
Our professional workshop team is here to keep your bike running at its best long after you’ve taken it home. From routine servicing to performance tuning, our qualified mechanics ensure your ride stays smooth, safe, and ready for every adventure. Whether it’s your first free service or future maintenance, you can count on Alchemy Cycle Trader for trusted support and expert care. Learn more about our workshop services.