105 / CS-R7100-12 / 11-34
Rearspeeds: 12-Speed
Range: 11-34
Gears: 11-12-13-14-15-17-19-21-24-27-30-34
Freehub compatibility: HG-EV (11 Speed Road)
Weight: 361 g
Cog material: Steel
Level/Series: 105
Usecase: Road