Shimano GRX 820 Gravel Groupset - 1x12 Speed

Upgrade your gravel bike with Shimano's premier gravel-specific groupset. The GRX 820 1x12 speed delivers smooth, reliable shifting with a wide gear range designed for loaded gravel touring and bikepacking.

Key Benefits

• 1x12 speed simplicity eliminates front derailleur and chain drop worries
• Wide gear range handles steep climbs with heavy touring loads
• Gravel-specific ergonomics with textured hoods for off-road grip
• Hydraulic disc brakes for powerful, consistent stopping
• Chain stabilizer prevents chain bounce on rough roads

Specifications

• Configuration: 1x12 speed
• Brakes: Hydraulic disc
• Shifters: GRX ST-RX820
• Rear derailleur: GRX RD-RX822
• Chain stabilizer included

Frequently Asked Questions

Is this compatible with my bike?
Check specs above for details. Most accessories use universal mounting systems for standard bikes.

What warranty is included?
All products include manufacturer warranty. Contact us with any issues.

Shipping & Returns

• FREE shipping on orders over $50 in USA & Canada
• Ships within 1-3 business days from Canada
• Easy 30-day returns
• Secure checkout with all major payment methods