absoluteBLACK Direct Mount Narrow Wide Chainring - SRAM Direct Mount - 3mm Boost - Oval - Black - 9-12 Speed - 28T PLP|Riding Style Spank Spike Boost Rear Hub:

Spank Spike Boost Rear Hub:

Diameter: These are 30

just a solid product backed up by heaps of testing and data

Stuffability: It doesn't make any claims about being stuffable but it should fit into a jersey pocket or a hydration pack without too much hassle

absoluteBLACK Direct Mount Narrow Wide Chainring - SRAM Direct Mount - 3mm Boost - Oval - Black - 9-12 Speed - 28T PLP|Riding Style Spank Spike Boost Rear Hub:absoluteBLACK 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