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.

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
• Wide chainline for compatibility with Full Mount rear derailleurs

SPECS:

• Speeds: 12, 13

• BB Compatibility: All SRAM Road DUB BBs

• Chainring Size: 42T

• Crank Arm Length: 160mm, 165mm, 170mm, 172.5mm, 175mm

• Chainline: 47.5mm

• BB Spindle Interface: DUB

• Chainring Material: Aluminum

• Guard: No Guard

• Bolt Circle Diameter (BCD): Direct Mount (DM)

• Crank Arm Material: Aluminum

• Color (Crank Arm): Black

• Power Meter: Yes

• Power Meter Type: Spindle

• Bottom Bracket Technology: n/a