absoluteBLACK 4 Bolt Narrow Wide Chainring - 64 BCD - Oval - Black - 9-12 Speed - 28T YGroup_7033474678829 Contrast taping at sleeve and

Contrast taping at sleeve and body hem for weight reduction

Axle Compatibility: Accepts 12

Needs a 6mm allen key to adjust the torque setting

or do anything else you'd like to do with your phone while riding

absoluteBLACK 4 Bolt Narrow Wide Chainring - 64 BCD - Oval - Black - 9-12 Speed - 28T YGroup_7033474678829 Contrast taping at sleeve andabsoluteBLACK 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