AMS Honeycomb CRANK Guard is specially designed to protect crank arms of mountain and road bikes from scratches and rubbing. It's made of an exclusive, super easy to install, honeycomb adhesive pvc.Benefits:Get rid of marks, chips and wear on crank arm.Super easy to install, even on difficult curves.Designed for universal fitting for mtb and road bikes: Enduro, Trail, XC, Gravel, Cross AND Road cranks.Designed and made in Barcelona.Specifications:High impact and rub resistance honeycomb 380 microns semi-rigid PVC.Minimum weight (8 grams / 0.28 ounces).Cool look&feel honeycomb material.Easy to install. Fits most cranks without cutting.Automotive-grade materials. Won't yellow over time. Guaranteed.1 big part for each crank with a precut form to extend protection if necessary.