Nukeproof shimano steps mount chain guidecarefully developed to work with shimano steps electric bike e bike motors, this chain guide features a backplate that's made from a lightweight alloy and it's available in six different colour options to complement your ride. Coming equipped with a durable nylon top guide with a co moulded rubber inset, this model also offers a reduction in noise from your chain. Its top guide has also been extended to provide you with extra protection from your chain chainring compared to the normal iscg version. One final highlight is it's easy to install on most bikes without having to remove your cranks.the guide is supplied with various washers allowing you to fine tune it to suit your chain line.features backplate material alloy hardware material stainless steel use shimano steps e bike compatible chain ring sizes 32t 38t compatible with ep800, e8000, e8080, e7000 and ep8manufacturer's part number nuksscgblk black nuksscgred red nuksscgblu blue nuksscgcop brown copper nuksscggry grey nuksscgpur purplebuy nukeproof components from chain reaction cycles, the world's largest online bike store.