Joining Shimano chain with pin - which link-type should "lead" (take the power) - Bicycles Stack Exchange
Shimano Chain Pins 7 / 8-speed for IG and HG - Pack of 3 | Halfords UK
Shimano 7- and 8-Speed Chain Pins - Wheel World Bike Shops - Road Bikes, Mountain Bikes, Bicycle Parts and Accessories. Parts & Bike Closeouts!
Amazon.com : 6/7/8 Speed Bike Chain Kit - Complete Bike Kit with 2 Bike Chains (1/2" x 3/32", 116 Links), 3 Extra Pairs of Master Links, and 1 Chain Rivet Extractor Compatible