9-speed Shimano / SRAM compatible.

Extra durable 1.2 micron chrome-plated cogs.

Gear ratios:

11/12/13/14/15/16/17/19/21

11/12/13/15/17/19/21/24/28

11/12/14/16/18/20/24/28/32

11/12/14/16/18/20/24/28/34

12/13/14/15/16/17/18/19/21

12/13/14/15/16/17/19/21/23

12/13/14/15/16/18/20/22/25

12/13/15/17/19/21/23/25/27

13/14/15/16/17/18/19/21/23

13/14/15/16/17/19/21/23/25

14/15/16/17/18/19/21/23/25

16/17/18/19/20/21/22/23/24 - BCS-09

Part Number:
Barcode: 8716683012446, 8716683012460, 8716683012477, 8716683012422, 8716683033144, 8716683012484, 8716683012415, 8716683042962, 8716683012453, 8716683020335, 8716683013573
Product Code: BCS-09