New old stock product. Purchased from an old line Honda dealer who stocked lots of OEM and high quality replacement parts in the heyday of Japanese imports but is now closed.
428 chain 6 bolt installation at 4 cm on center. Light Alloy Marked V brand YA-34 DT123E DT125F
These sprockets are new and within +- 2 teeth of specified OEM sprocket sizes from Reputable Sprocket Charts. larger number of teeth give you faster acceleration. smaller number of teeth give you more top speed.
Email me with any questions as products are not returnable