Prevent foul tasting water and discoloured reservoirs

With a unique ceramic formulation that contains Boron Nitride compounds for low friction in wet and muddy conditions

which is super important when you are pinning it through rock gardens

Big Bite valve

Pros: Can be used on most most masterlinks (Shimano Quick-Link

absoluteBLACK Direct Mount Narrow Wide Chainring - Race Face - Easton Cinch Direct Mount - 3mm Boost - Round - Black - 9-12 Speed - 34T Envelope Shipping Prevent foul tasting water 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. The oval shape smooths the delivery of power throughout the pedal stroke and improves efficiency and energy conservation. Many other brands have