10-speed Campagnolo-compatible. Extra tough 1.2 micron chrome-plated cogs. Separate cogs and Nylon spacers. Gear ratios: 11/12/13/14/15/16/17/19/21/23 12/13/14/15/16/17/19/21/23/25 12/13/14/15/17/19/21/23/25/27 13/14/15/16/17/19/21/23/25/28 14/15/16/17/18/19/20/21/23/25 16/17/18/19/20/21/22/23/24/25 – BCS-10C Part Number: Barcode: 8716683033175, 8716683033182, 8716683012545 Product Code: BCS-10C Discipline: Road Speed: 10 Speed Release Year: 2019