absoluteBLACK Direct Mount Narrow Wide Chainring - Shimano Direct Mount - Not Applicable - Oval - Black - 12 Speed Shimano - 34T YGroup_7033751240749 Pros: High quality outer casing

Pros: High quality outer casing that performs very well long term

Large: 180x250 mm

and 60mm lengths

Relaxed bottom opening matchs perfectly with the Ace short and Ace bib short

Non-Stretching - suits high pressure tires

absoluteBLACK Direct Mount Narrow Wide Chainring - Shimano Direct Mount - Not Applicable - Oval - Black - 12 Speed Shimano - 34T YGroup_7033751240749 Pros: High quality outer casingabsoluteBLACK 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