absoluteBLACK Direct Mount Narrow Wide Chainring - SRAM Direct Mount - 3mm Boost - Round - Black - 9-12 Speed - 34T Heavy/Bulky Cons: 10K/10K fabric is great

Cons: 10K/10K fabric is great for most conditions but it does have its limits

How many pistons: 4 pistons for excellent stopping power

and incredible durability

Long Cage - RD-M9100-SGS Specs:

absoluteBLACK Direct Mount Narrow Wide Chainring - SRAM Direct Mount - 3mm Boost - Round - Black - 9-12 Speed - 34T Heavy/Bulky Cons: 10K/10K fabric is greatabsoluteBLACK 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