• X-SYNC 2 tooth profile chainring, the Carbon GX crankset is engineered for complete chain control.
• DUB technology features a better-engineered bottom bracket and spindle design.
• Crank boots...
• Eagle™ Grip Shift includes new, robust internals that make it even more durable and its shifting performance more precise. But just like the original, it is total control in the palm of your hand...