absoluteBLACK Direct Mount Narrow Wide Chainring - Shimano Direct Mount - Not Applicable - Oval - Black - 12 Speed Shimano - 30T Ignore Wholesale Tier 1 Brand Rule It is made from CNC

It is made from CNC machined alloy so you know its strong

durable stem

Other component compatibility: Suitable for use with all 11-speed drivetrains from Shimano

There are several frame manufacturers that use grease ports on their frames

absoluteBLACK Direct Mount Narrow Wide Chainring - Shimano Direct Mount - Not Applicable - Oval - Black - 12 Speed Shimano - 30T Ignore Wholesale Tier 1 Brand Rule It is made from CNCabsoluteBLACK 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