Deda Dog Fang Bicycle Chain Keeper Review Posted by Pelicandy October 12, 2018 in Drivetrain Components keeps the chain from falling off in case of an over-shift Black bolt-on plastic It keeps the chain from falling off in case of an over-shift. Black bolt-on plastic. Random Products Shimano Alivio M415 32T/104mm Silver, 7/8 Speed Re... Deda Dog Fang 31.8mmroadbike Chain Guide Review Shimano Sora CS-HG50 8-Speed Cassette – 13-2... FSA Super Road 50 -Tooth/10-Speed Chainring (110mm... Cycling Deda Elementi Outdoor Recreation Parts & Components Sports & Outdoors