KMC Z8.1 Chain Description: The KMC Z8.1 chain is a versatile chain that is optimized for older 6 and 7 speed drivetrains as well as 8 speed Shimano IG drivetrains. The durable z-bridge shaping of the plates in addition to extensive chamfering of the edges of the plates help this chain to mesh better and more quickly to gear teeth, resulting in a much better shifting quality. Solid pins that are rugged and hold up to aggressive shifts under heavy loads. Last but not least, these chains are non-directional and will come with a reusable missing link connector, so if you prefer to take chains off for deep cleaning or need to do a trailside repair it is easy to install, remove, and service this chain. Features: Chain is compatible with Campagnolo, Microshift, Shimano, or SRAM 6 and 7 speed drivetrains, and Shimano IG 8 Speed drivetrains Solid and riveted pins for the highest pin power that holds up to shifting under heavy loads Extensive chamfering of the inner and outer plates allow for more accurate shifting Stretch Proof heat treatment so the chain last longer and goes farther Specifications: Speeds: 6, 7, 8 Speed Links: 116 Chain Width: 7.1mm Chain Connector: Missing Link (Reusable) Pin Type: Solid Color: Grey Weight: 305g