Full Speed Ahead ACR No. 55R Headset - 1.5" CheckoutTitle=microSHIFT ADVENT X Drop Bar Shift Lever Set 1 x 10-Speed Light the candle

Light the candle

Increased strength to handle the harshest aggressive all mountain riding combined with an update to 0-degree size for optimized fit and performance

- Double row ABEC-3 bearing with stainless steel balls and races

CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and OlderMaximum Head Circumference 61Gender/Age AdultMinimum Head Circumference 57Color Shiny BlackSize LargeVisor Included YesMulti Impact NoWeight 340Helmet Style UrbanDefined Color Black

Full Speed Ahead ACR No. 55R Headset - 1.5" CheckoutTitle=microSHIFT ADVENT X Drop Bar Shift Lever Set 1 x 10-Speed Light the candleFSA ACR (Aerodynamic Cable Routing) Headsets are suitable for both road and MTB riding styles and feature angular contact bearings. A fully integrated cable routing No rotation limit ACR top cover Angular contact bearing 1. 5" headtube Specific frame required Color Black Bearing Type Cartridge Angular Contact Crown Race 40 Weight 92 Defined Color Black Upper Stack Height 10. 9 S. H. I. S Upper ZS55 S. H. I. S. Stem Clamp Diameter 31. 8 Threadless S.