absoluteBLACK 4 Bolt Narrow Wide Chainring - 104 BCD - Oval - Black - 9-12 Speed - 32T Exclusive and is compatible with use

and is compatible with use on the left side of MTB handlebars with no shift lever

Fits Shimano BB80

The spout has also been designed to assist with injecting through a de-cored valve

The CSB-1 is designed for use with the SG-8 Saw Guide

Offset Options: 44mm (29")

absoluteBLACK 4 Bolt Narrow Wide Chainring - 104 BCD - Oval - Black - 9-12 Speed - 32T Exclusive and is compatible with useabsoluteBLACK 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