..MAILLARD COURSE VINTAGE 70's/80's ( ORO ) 13/14t Duplex Cog Set NOS! BX35

MAILLARD COURSE vintage 70's/80's ( ORO ) 13/14t Duplex Cog Set NOS! This Cog set will invert your 5 SPEED Freewheel to 6 SPEED. Axle will also need to be changed as well. WILL NOT WORK WITH COMPACT FREEWHEEL BODIES. 

CONDITION of this item will be EXCELLENT!