Shimano GRX RX820 Gravel Groupset - 1x12 Speed for Microspline cassette

Genuine boxed Shimano components fully guaranteed

Gravel cycling is rooted in its simplicity, inclusivity and curiosity. Everyone from first-timers to grizzled veterans counts on Shimano GRX, the industry’s first gravel- specific groupset, for smooth shifting, reliable braking and exceptional gravel comfort.

• Chainset: GRX 820 40 teeth or 42 teeth 170mm, 172.5mm or 175mm
• Bottom Bracket: BB-R60 Ultegra - 105 bottom bracket English cups or BB9241B S himano Road press fit bottom bracket for 86.5 mm (these are an additional cost)
• Cassette: 11-45 or 11-51 (For Shimano Micro Spline cassette)
• Chain: 12 speed CN-M7100 105, CN-M8100 Ultegra or CN-M9100 Dura Ace
• Rear Derailleur: GRX RD-RX822 for 45t max or GRX RD-RX822 for 51t max- 12 Speed
• Front Derailleur: N/A
• STI Levers: GRX 820 Brake/Gear Levers including cables (non dropper post option only)
• Brakeset: GRX 820 Flat Mount Hydraulic Disc
• Rotors: RT-CL800 140mm or 160mm (these are an additional cost)