Sram powermeter rival axs xplr e1 wide 42t direct mount 165mm spindle excl. bb

We cut grams out of our aluminum crankarms but didn’t cut corners on power measurement. Our light and accurate spindle-based power unit nestles into our striking redesigned arms to give you the data you need and our newest direct mount chainrings are light and stiff while looking good. - spindle-based unit measures left side power to calculate total watts - long battery life (400+ hours) to power a season of rides - user replaceable aaa lithium battery - dub bottom bracket adds durability and simplicity - waterproof (ipx7 waterproof to 1 meter for 30 mins) - lightweight (less than 40g heavier than standard crankset) - sram x-sync wide-tooth narrow-tooth chainring technology provides maximum chain control -xplr chainline for compatibility with full mount rear derailleurs