Shimano Shifter cable hook unit

This is compatible with all cable-operated brake levers:
- Shimano Ultegra ST-6510
- Shimano 105 ST-5500-CB
- Shimano Tiagra ST-4503
- Shimano Tiagra ST-4501
- Shimano Tiagra ST-4500
- Shimano Sora ST-3400
- Shimano Sora ST-3304-A
- Shimano Sora ST-3304
- Shimano Sora ST-3304-7
- Shimano Sora ST-3303
- Shimano Sora ST-3303-7
- Shimano Sora ST-3300-A
- Shimano Sora ST-3300
- Shimano Sora ST-3300-7
- Shimano ST-2303
- Shimano ST-2300
- Shimano ST-2203
- Shimano ST-2200
- Shimano Tourney ST-A073
- Shimano Tourney ST-A070
- Shimano ST-R703
- Shimano ST-R701
- Shimano ST-R600