Full Speed Ahead ACR No. 55R Headset - 1.5" CheckoutTitle=microSHIFT ADVENT X Drop Bar Shift Lever Set 1 x 10-Speed Designed built and tested in

Designed built and tested in the USA Model Trainer Thru-Axle Description 12x154 Axle Length (mm) 154 Thread Pitch M12x1

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

super narrow chain for use with 10-speed Campagnolo/Shimano/SRAM

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

Weight: 1080g/pair

Full Speed Ahead ACR No. 55R Headset - 1.5" CheckoutTitle=microSHIFT ADVENT X Drop Bar Shift Lever Set 1 x 10-Speed Designed built and tested inFSA 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.