Beat the holiday rush before another rider gets the gear you had your eyes on—use code GIFT20 to take 20% off one full-price item (exclusions apply) at checkout!!
New partnership with Competitive Cyclist!! New Customer Offer - Get 20% Off Your First Purchase at CompetitiveCyclist.com! Exclusions apply Click the image below to view the Instagram Story Highlight from my first promo with Competitive Cyclist. I break down the two different GRX Rear Derailleur options, the RX815 and RX817. Both bikes also have the GRX ST-RX815 Di2 Shifters & Disc Brake Calipers.