Shimano GRX RD-RX812 11 Speed

The Shimano GRX Derailleur provides a quieter bicycle experience and more reliable and more accurate switching on varied terrain. With the integrated chain stabilizer, the derailleur prevents chattering and running off the chain. The Shimano Shadow RD+ ensures quiet and uninterrupted switching on the back on rough terrain. The derailleur has an on/off switch for the chain tensioner on flat roads. It is suitable for racecassettes with a maximum largest tooth wreath of 42T. The RD-RX812 version offers the digital precision of Shimano electronic switching and synchronized switching. The derailleur is suitable for current dual control liver for racing bikes. The average weight of the derailleur is 267 grams.

• Model: RD-RX812
• Series: GRX 11-Speed
• Color: Group color
• Average weight: 267 grams
• Compatible chain: Link glide, HG 11-Speed
• Capacity: 31T
• B-axis hollow axle: yes
• Cable steller: yes
• Assembly Direct confirmation (conventional): Yes
• Dock traps with fluoresis: 4
• Biggest tooth wreath max.: 42t
• Biggest toothskans Min.: 40T
• Derailleur wheel lower upper derailleur wheel: yes
• Derailleur wheel sunken type derailleur wheel bolt: yes
• Derailleur wheel teeth: 13t
• Derailleur wheel Lower Derailleur wheel: Yes
• Top normally suspension type Shimano Shadow RD+: Yes
• Smallest tooth wreath max.: 11t
• Smallest tooth wreath Min.: 11T
• Gears behind: 11