alba optics mantra blk Lens Choice:VZUM LEAF Please note while there is

Please note while there is design similarities this OSPW is not compatible with the 12-speed Shimano 9200 or 8100 series derailleurs

the movement unleashed by its fore-aft motion reduces fatigue and improves overall efficiency

Super Reflect

It samples combined left-right data to precisely record power output

alba optics mantra blk Lens Choice:VZUM LEAF Please note while there isFree DHL Shipping in Europe Dont fold, ride bold. A true athlete always wears glasses. When they take them off they keep them close at hand, placing it on the helmet, upon the head or hung around their neck. For this reason the Mantra arms do not bend, allowing for a more fluid use in the wearers movements: simply faster. . Dedicated to a pro cycling and running audience that value quality and efficiency through innovative design and a constantly