Shimano Chain Connecting Pins 9-Speed This pack-of-3 could be a ride saver. It doesn't happen often but even a Shimano chain can break. That's why it's a good idea to carry the spare pin required to rejoin it in your puncture repair kit box Fits Shimano Hyperglide 9-speed chains. Supplied as 3-pack. You'll need a chain tool to fit this chain pin.