absoluteBLACK Direct Mount Narrow Wide Chainring - SRAM Direct Mount - 3mm Boost - Oval - Purple - 9-12 Speed - 30T PLP|Colour Protection level: These are CE

Protection level: These are CE Certified as providing EN1621-1 Level 1 Knee Protection

The Terrain and Bolt Socks are 6" tall and made from polypropylene

What's in the box: One chain guide and necessary mounting bolts

The Tool You Need in Your Arsenal to Defeat ISIS Drive and Octalink BB Related Tasks

absoluteBLACK Direct Mount Narrow Wide Chainring - SRAM Direct Mount - 3mm Boost - Oval - Purple - 9-12 Speed - 30T PLP|Colour Protection level: These are CEabsoluteBLACK 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