absoluteBLACK Direct Mount Narrow Wide Chainring - SRAM Direct Mount - 3mm Boost - Round - Black - 9-12 Speed - 34T Heavy/Bulky 11-42T / steel for gears

11-42T / steel for gears 1-10 and aluminum for 11

SIZE - 69 x 23 x 17 cm / 27

Sold as a pair

How many pistons: 4 pistons for excellent stopping power

absoluteBLACK Direct Mount Narrow Wide Chainring - SRAM Direct Mount - 3mm Boost - Round - Black - 9-12 Speed - 34T Heavy/Bulky 11-42T / steel for gearsabsoluteBLACK 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