SRAM cut grams out of their aluminum crankarms, but didn’t cut corners on power measurement. The light and accurate spindle-based power unit nestles into the strikingly redesigned arms to give you the data you need, and the newest direct mount chainrings are light and stiff while looking good.

FEATURES

• 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 deraillleurs

SPECIFICATIONS

Speeds: 12, 13
BB Compatibility: All SRAM Road WIDE DUB BBs
Chainring Size: 42T
Crank arm length: 160mm, 165mm, 170mm, 172.5mm, 175mm
Chainline: 47.5mm
Bottom Bracket Spindle Interface: DUB
Chainring Material: Aluminum
Bolt Circle Diameter (BCD): Direct Mount (DM)
Power meter: Yes
Power Meter Type: Spindle

SKUs
Product Numbers: 
160mm: 00.6118.743.000
165mm: 00.6118.743.001
170mm: 00.6118.743.003
172.5mm: 00.6118.743.004
175mm: 00.6118.743.005
Model ID: FC-RIV-1WP-E1