How To Wear: To be worn in cool to moderate conditions (6-16°C / 43-59°F)
The result of CFD (computational fluid dynamics) testing
It was developed for use with mountain
And no matter how wet the weather
Can be mounted above or below handlebars
SRAM Apex D1 Power Meter Assembly, Power Meter Crankset, Speed: 12, Spindle: 28.99mm, DUB, 172.5mm, Black, Road Disc ggroad How To Wear: To beAccurate, reliable power measurement is practically a requirement these days, and the Apex AXS crankarm power meter upgrade is the easiest way to get the numbers you need. With the tech hidden inside the DUB spindle, it fits almost any bike while remaining stealthy. DUB PWR spindle based unit measures left side power to calculate total watts Proven Quarq reliability and accuracy Long battery life (400+ hours) to power a season of rides User