Description
SRAM cut grams out of their Rival aluminum crankarms, but didn’t cut corners on power measurement. The light and accurate spindle-based power unit nestles into the 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 power meter 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)
- IPX7 waterproof to 1 meter for 30 minutes
- X-Sync wide-tooth, narrow-tooth aluminum chainring technology provides maximum chain control
- Carbon fiber crankarms are incredibly strong and lightweight
- DUB bottom bracket adds durability and simplicity (Bottom bracket sold separately)
- 150mm Q-factor / 47.5mm chainline