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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
• Driver: Freewheel
Promax 4-bolt 104 BCD chainrings are designed to handle the torque and stress of modern BMX racing and are fully capable in other single speed applications
Honestly we have no big story behind the name
Tire Widths: 1
which fixes the inserts and disc hanger to the frame for both ease of use and stiffness
Promax Direct Mount Crank Spider • Driver: FreewheelSpecifically designed for the Promax CK 1 carbon cranks, this aluminum spider adapter allows the use of a 104 BCD chainring with CK 1 cranks. High quality aluminum provides high strength at a low weight Specifically designed for use with Promax CK 1 carbon cranksets Utilizes SRAM's 3 bolt mount style to attach to crankarm (bolts sold separately. SKU number CK2203 recommended) NOT compatible with Promax HF 3 cranks For 4 bolt 104 BCD chainrings
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