– X8.99: stretchproof, chamfered plate, full-nickel plated chain for 5-8 speed and great for internal geared hubs
– Z72: chamfered inner plates with Bulls-eye rivets for 5-8 speed
– Z51: standard bushingless, chamfered plate chain for 5-8 speed
– Z30: economy bushingless chain for 5-8 speed
– Width = 3/32-inch