Shimano Grommets SM-GM02 with 7x8mm oval hole is designed specifically for Di2 wiring (EW-SD50). It’s clever design means these can be attached to your frame without needing to take any wires or cables out. Use Shimano grommets to help keep dirt and water out and also hold the cable snugly.
- For frames with 7x8mm oval hole
- Pack of 4