Shimano 105 lever cap missing. How do I fit replacement please, I have an older bike I would like to transfer from. I don't know the correct name of this part. Thanks
Shimano 105 SparePart ST-5703-L Main Shifter/brake Lever Assy, Left, Black | eBay
Spare Parts Road | Probikeshop
SHIMANO 105 Di2 Hydraulic Disc Brake DUAL CONTROL LEVER (2x12-speed) | SHIMANO BIKE-EU