Promax HF-3 Hollow Hot Forged Crankset 2-PC, Direct Mount SRAM 3-Bolt, 30mm Spindle 602041244-EMPV-59JT005 Frequency ‎60 Hz

Frequency ‎60 Hz

Automatically sensing

it has a fool-proof design and reverses polarity protection

sound sources

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Promax HF-3 Hollow Hot Forged Crankset 2-PC, Direct Mount SRAM 3-Bolt, 30mm Spindle 602041244-EMPV-59JT005 Frequency ‎60 HzHF 3 cranks are Promaxs top of the line aluminum crank offering. Hollow forged from 6061 T6 aluminum, both crank arms are hollow so they are super stiff, yet lightweight. The crank arms spin on a beefy 30mm spindle permanently fitted into the drive side arm. These cranks offer direct mount sprocket compatibility for additional weight savings, or run them with the included 104 BCD spider adapter. CNC machined 6061 T6 aluminum crank arms are