| 1st generation of the more mtb specific group. it was 6 speed with SIS. in 1989 there were some improvements made and the groupset got updated to 7 Speed. which was know as Deore II. |
| Components | View Search List |
| Category | Photo | Name | Years | Added |
| Bottom Brackets |  | Shimano BB-MT60, Deore MT60 Series | 1987 - 1988 | 06/13/12 |
| Brake Levers |  | Shimano BL-MT60, Deore MT60 Series | 1987 - 1988 | 07/21/11 |
| Brakes |  | Shimano BR-MT60, Deore | 1987 - 1988 | 03/16/09 |
| Brakes |  | Shimano BR-MT61, Deore | 1987 - 1988 | 09/27/09 |
| Cranksets |  | Shimano FC-MT60, Deore MT60 Series | 1989 | 10/25/09 |
| Front Derailleurs |  | Shimano FD-MT60-AL, Deore | 1988 | 11/13/07 |
| Hubs |  | Shimano HB-MT60, Deore | 1987 - 1988 | 05/17/09 |
| Pedals |  | Shimano PD-MT60, Deore MT60 Series | 1987 - 1992 | 04/11/10 |
| Rear Derailleurs |  | Shimano RD-MT60, Deore | 1987 - 1988 | 11/13/07 |
| Shifters |  | Shimano SL-MT60, Deore MT60 Series | 1987 - 1988 | 09/27/09 |
