Last week one of our regular customers came in with his old but beautiful 531 Mercian road bike, it was equipped with old 105, he was looking to upgrade to 11spd 105, we talked him through what parts he would require for the build then we got to work. Stripping the bike back to the frame and fork, we gave it a deep clean, making sure all threads etc were spotless, we feel when the bike is getting fully rebuilt it's best to get the bike as clean as you possibly can, be able to