Race Face Sixc Carbon Crank 170Mm Ck14Sxcbmxa170Blk

The crank arms are completely hollow with all unnecessary material being removed from the center core - no internal aluminum spine. Hand-laid and manufactured in Canada with US sourced carbon. Industry standard 30mm spline interface CNC machined from a newly commercialized aluminum super alloy that is 20% stronger than 7050 alloy (the alloy commonly used in this application). Removable spider option of the Cinch interface system offers the ability to convert between existing chain ring standards while remaining flexible to future developments.

• 520 grams (arms, spindle, spider, and hardware)
• Removable spider offers the ability to convert between existing chain ring standards while remaining flexible to future developments
• 12.5mm chain ring bolts required. Not compatible with standard "bmx" chain ring bolt lengths
• Replacement parts available, ask sales rep for details