One piece "Memory Flex" TM DESIGNWORKS molded plastic housing.
Our trademarked “Zero Drag” Powerlip Rollers are installed for 100% rear wheel horsepower.
Roller setup Disperses sand and dirt through the bottom for smooth performance.
Simple bolt on without removing chain.
Black is default colour, some models available in colours, list colour preference in notes section at checkout
Models that require it come with mounting bracket/plate