First upgrade to my bike. I added three pawls and springs to upgrade it from @trekbikes 54t rapid drive to 108t rapid drive. I essentially halved the engagement to make climbing easier and to sound like a #swarmofangrybees #trekremedy8 #bontragerlinecomp30 https://www.instagram.com/smoakie976/p/BsVoUDaB_v9/?utm_source=ig_tumblr_share&igshid=1lo9on1drn1v9










