Wilier Triestina Cento10AIR Pro Disc Large Frameset 2019 model 525disc The GX crankset is engineered The GX crankset is engineered for complete chain control with each tooth precisely designed to work seamlessly with the chain’s inner and outer links The GX Eagle rear derailleur gets the job done with an updated cage architecture that improves chain management Wolf Tooth’s patented Drop Stop® wide narrow tooth profile for the ultimate chain retention and mud shedding ability If using a 9 speed drivetrain use a 10 speed chain (shifts and works well on a 9 speed drivetrain and fits the ring tighter for better chain retention) Wilier Triestina Cento10AIR Pro Disc Large Frameset 2019