absoluteBLACK 4 Bolt Narrow Wide Chainring - 104 BCD - Oval - Black - 12 Speed Shimano - 32T Needs Images The stretch material conforms to

The stretch material conforms to the shape of the knee for comfort and the adjustable lower strap helps to dial in a secure secure fit

Glass Fibre/Nylon composite

We recommend using Sram's chain gap tool

6061 aluminium

fir system

absoluteBLACK 4 Bolt Narrow Wide Chainring - 104 BCD - Oval - Black - 12 Speed Shimano - 32T Needs Images The stretch material conforms toabsoluteBLACK 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 which has the effect of smoothing out the delivery of power throughout the pedal stroke and improving efficiency. Many other brands have followed suit