Amazon.com: KMC Bike Chain HL1, Half Link BMX Chain, Maximum Adjustability & Great Looks, Super Smooth Single Speed Chain, Nickel Plated Bicycle Chain, Bike Chain with Bullet Joining Pin, 1/2" X 1/8" -
Amazon.com : KMC Missing Link Bicycle Chain Link (9-Speed, 6-Pack) Silver : Bike Chains : Sports & Outdoors