Shimano Dura-Ace RD-7900 B-Tension Adjusting Bolt - M4 x 13.5mm - Y55625080

Shimano Dura-Ace RD-7900 10 speed rear derailleur B-Tension Adjusting Bolt.

The following are an "A" match which indicates that the parts are the same in materials, appearance, finish & size etc.

- Shimano Dura-Ace RD-9000
- Shimano Ultegra Di2 RD-6870
- Shimano Ultegra RD-6800
- Shimano Ultegra Di2 RD-6770-A
- Shimano Ultegra Di2 RD-6770
- Shimano Ultegra RD-6700-A
- Shimano Ultegra RD-6700
- Shimano 105 RD-5701
- Shimano 105 RD-5700-A
- Shimano 105 RD-5700
- Shimano Tiagra RD-4601

Genuine Shimano replacement part.