Full Speed Ahead ACR No. 55R Headset - 1.5" CheckoutTitle=microSHIFT ADVENT X Drop Bar Shift Lever Set 1 x 10-Speed Offering Fischer's Offtrack Crown for

Offering Fischer's Offtrack Crown for optimized glide and kick

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

Weight: 1080g/pair

The chain is the heart of the Eagle 1x12 drive train ensuring quiet operation long life and precise shifting

Full Speed Ahead ACR No. 55R Headset - 1.5" CheckoutTitle=microSHIFT ADVENT X Drop Bar Shift Lever Set 1 x 10-Speed Offering Fischer's Offtrack Crown forFSA 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.