8-speed 3/32â steel derailleur chainGreat value with 6,7 or 8-speed shifting performance from Connex. Ideal for hard and heavy-duty action on MTB and racing bikes. The 800 features German designed outer plate design that provides hi-performance gear-changing properties on 6, 7 and 8 speed derailleur gear systems. Manufactured using long-lasting, heat-treated steel with a natural Gun Metal Grey finish.Supplied with the exclusive, re-usable, tool-free Connex QR joining link. Compatible with all bicycle 6,7 and 8-Speed derailleur gear systems