absoluteBLACK Direct Mount Narrow Wide Chainring - SRAM Direct Mount - 3mm Boost - Round - Black - 9-12 Speed - 28T YGroup_7033420054573 - spring material 300 series

- spring material 300 series stainless steel

CNC machined 7075-T651 Aluminum Alloy

much like a socket

They would also be a great choice for anyone that just wants a bit of thigh protection

Do not use if the compartment is not secure

absoluteBLACK Direct Mount Narrow Wide Chainring - SRAM Direct Mount - 3mm Boost - Round - Black - 9-12 Speed - 28T YGroup_7033420054573 - spring material 300 seriesabsoluteBLACK 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