SRAM XG-1275 Eagle C1The Eagle cassette for riders who prioritize all day function over anything else. With both 520 and 500 percent gear range available, riders have more ability to spin and recover on the burliest climbs. Featuring FULL PIN technology that uses lightweight, precision engineered steel cogs permanently connected with high strength stainless steel pins. An open design similar to the X DOME cassette aids in mud clearance, giving riders crisp shifting