Only Eagle� is a complete system-engineered drivetrain designed, tested and proven to deliver the lightest, highest-performing, most durable system for all riders on any trail Eagle� technology provides an expanded, optimum, gear range making you fast on the flats, giving you control on the climbs and unleashing your speed on the descents Featuring SRAM�s X-SYNC�2 tooth profile chainring, the GX crankset is engineered for complete chain control Compatible with all levels...