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
- BMX specific spider is tapped and threaded on the inside of the spider replacing the need for a chain ring nut
*Not compatible with Rennen Threaded chain rings
*Bottom Bracket Sold Separately
***Only Compatible With Race Face Cinch Bottom Brackets***