SRAM cut grams out of their Rival aluminum crankarms, but didnt 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
- Rings: 42
- Number of Chainrings: Chain Retaining Single
- Drivetrain Speeds: 12
- Drivetrain Speeds: 13
- Chainring BCD: Direct Mount SRAM 8-Bolt
- Chainline/Hub Compatibility: 135/142 Road Disc Hubs < 415 mm Chainstay
- Chainline/Hub Compatibility: 135/142 Road Disc Hubs > 415 mm Chainstay
- Color: Black
- Crank Length (mm): 160
- Crank Intended Use: Road
- Crank Intended Use: Gravel
- BB Included: No
- Pedal Spindle: 9/16″
- Spindle Interface Type: SRAM DUB
- Defined Color: Black
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