absoluteBLACK Direct Mount Narrow Wide Chainring - Race Face - Easton Cinch Direct Mount - 3mm Boost - Oval - Black - 9-12 Speed - 30T YGroup_7033437061165 This specially designed tubeless air

This specially designed tubeless air valve is required for use with each CushCore insert

Other compatibility:  This will work with any 12 speed set up

MATERIAL:Aluminum

0" not recommended on rims narrower than 35mm

This would appeal Trail

absoluteBLACK Direct Mount Narrow Wide Chainring - Race Face - Easton Cinch Direct Mount - 3mm Boost - Oval - Black - 9-12 Speed - 30T YGroup_7033437061165 This specially designed tubeless airabsoluteBLACK is dedicated to producing the world's finest oval chainrings and were the first to crack the code to discover the correct shape and 'clocking' to make an oval chainring work. They learned how to maximize the part of the stroke where power is produced and minimize resistance where it isn't. The oval shape smooths the delivery of power throughout the pedal stroke and improves efficiency and energy conservation. Many other brands have