This is the mrp mega g3 chainguide with integral bashguard iscg mrp pioneered the concept of chain retention almost 15 years ago with their system 1 and years later revolutionized the field again with the g2 never content to rest on their past achievements mrp are excited to present the g3 which promises unprecedented performance durability and usability for demanding gravity and trail riders the g3 features mrps patented integrated skid which protects critical drivetrain components