absoluteBLACK Direct Mount Narrow Wide Chainring - SRAM Direct Mount - 3mm Boost - Oval - Black - 12 Speed Shimano - 34T YGroup_7033414549549 This is a very thin

This is a very thin but VERY strong lace that you can barely feel on your head that tightens the whole way around to get a perfect fit

This is a perfect upgrade and/or replacement cassette for 11-speed drivetrains

the BBT-18 has 8 notches with an outside diameter of 43

Reinforced stretch fabric for a secure fit

Available in two versions: Matchmaker™ X integrates the RockShox®XLoc and is compatible with XX and X0 brakes

absoluteBLACK Direct Mount Narrow Wide Chainring - SRAM Direct Mount - 3mm Boost - Oval - Black - 12 Speed Shimano - 34T YGroup_7033414549549 This is a very thinabsoluteBLACK 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