Chain Guide Bicicleta Nukeproof ISCG 05 Top Guide Cupru Chain Guide Bicicleta Nukeproof ISCG 05 Top Guide Designed by the Nukeproof engineers for performance, this top guide ensures that you don't drop your chain when out on the MTB trails. It features a hard-wearing alloy backplate with a composite top guide. This makes it more than capable of withstanding all the knocks and jolts as you blast across the mountain. Nukeproof has also equipped this trail-ready top guide with a soft rubber co-moulded into it. This also reduces wear and noise from your chain and increases its longevity. This guide fits all bikes with an ISCG 05 mount and comes with various washers allowing you to fine tune your chainline setup. Features: Backplate Material: Alloy Hardware Material: Stainless Steel Use: MTB Compatibility: 28-36T chainrings, Boost and Oval Weight: 45g (guide, 2x bolts & 2x 3mm washers)