Stages shimano 105 5800 g2 black aluminium 170mm
The second generation stages power meter for shimano 105 5800 is the singular product that will bring power measurement and training to the masses it is perfect for the enthusiastic cyclist from those new to training using power to the seasoned professional looking for a simple super light and inexpensive package it is a replace 105 left hand crank with a 20g unit which houses an array of high technologies adapted from the rapid advancement in modern electronics the second generation featur