STONE 144bcd chainring spider to 8 pins bolts crank for FORCE RED RIVAL fixie bike
Fit to direct mount interface 8 pins bolts, the FORCE, RIVAL, RED crankset.
For 144bcd chainring. Can install 1pcs 144bcd chainring.
Material: alu 7075-T6
Full CNC process, process precision is 0.03mm.
Side play less than 0.04mm
Thickness 14mm
Weight 93 grams
Offset 6.5mm inner
The chainline on crank FC-FRC-D1 is 44.5mm
It design for 1x speed. Can install 1pcs chainring.




