avail composite 1 Key Upgrades (over Avail Composite 3):
--Shimano Ultegra components --Giant Connect SL handlebar and stem --Giant P-SL1 WheelSystem --Sizes: XS, S, M --Colour: Grey/Purple/White
avail composite 3 features:
--Shimano Tiagra 10-speed components --Advanced-Grade composite fork with full-composite OverDrive steerer --Giant Vector Composite seatpost --Giant P-R2 double wall rims, Giant sealed bearing hubs, DT Swiss Competition butted spokes wheelset --Sizes: XS, S, M --Colour: Black/Purple/White