Rival XPLR AXS E1 Power Meter Crankset Size:172.5mm infuses the 808 Firecrest with

infuses the 808 Firecrest with new features

The “old idea” is that it is always faster to pump up your tires rock hard before a time trial or triathlon

3-D forged 6061-T6 aluminum

Heat treated to prevent bending

groundbreaking design integrated with our lightest crank ever

Rival XPLR AXS E1 Power Meter Crankset Size:172.5mm infuses the 808 Firecrest withWe cut grams out of our aluminum crankarms, but didnt 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