You resolved to teach yourself to do at least two simple repairs on your own bike this year, and well, you're running out of time. Coincidentally, you also bought a new chain that needs to be shortened. This is it: the stars have aligned. Hurry up and buy the Feedback Sports Chain Pin Press and ply a wise friend with chocolate chip cookies, and you'll be able to fix your own chain in no time. This compact press comes compatible with the latest one through 12-speed chains from Shimano/SRAM, and it's built with a spring-loaded retainer to make your job as straightforward as possible.