Italian style road racing rear dropouts. 12.5mm. seatstay pocket diameter and 13.5mm. chainstay pocket diameter. 70 degree angle between seatstay and chainstay centerlines. Threaded for dropout adjusting screws (not included). $20/pair for 1 to 4 pair; $18/pair for 5 pair and up. To order, please contact Andy. PayPal and good check accepted.