Aluminium Bike Derailleur Hanger Alignment Tool Adapter M10 Threaded Bolt

Material: aluminium alloy boby and stainless steel bolt. Use: Adjust the horizontal height of the left and right hand shift, and quickly locate the position of the hand shift. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.

eBay