Hope Headset Upper ZS49/28.6 Black BOX SRAM X-Sync chainrings feature tall

SRAM X-Sync chainrings feature tall teeth with alternating tooth profiles that hold the chain amazingly well and still provide space for mud to clear

Exceptional shifting performance and unprecedented strength

Here is how it works:

} Redesigned aggressive tread

such as changes in temperature since your last calibration

Hope Headset Upper ZS49/28.6 Black BOX SRAM X-Sync chainrings feature tallHope headset solutions: separate top and bottom headset cup assemblies for tapered, reducer and conversion applications IS (36x45 degree Cane Creek Integrated), ZS (Zero Stack), or EC (traditional, External Cup) available for reduced 1 1 8" and tapered 1. 25>1 1 8", 1. 5>1 1 8" steerers Model Conventional Upper S. H. I. S. ZS49 28. 6 Upper Lower Upper Stack 7mm Color Black Weight 64g