100% USA MADE ON OUR IN HOUSE 5TH AXIS MACHINES.
 
5 BOLT 39T MIRROR POLISHED DRIVETRAIN COMBO..
 
FITS ALL 19mm CRANK SHAFTS. 
 
MADE FROM THE BEST ALCOA PLATE STOCK. 
 
MOST EXTENSIVE MACHINING ON ANY CHAINRING AVAILABLE. 
 
LOGOS GALORE.
 
GET RAD....