700c 1” Threaded Steel Campagnolo Fork Ends Reynolds 531 TRACK. This is a modern built track fork with NO BRAKE MOUNT. Fork Ends are marked Campagnolo and steerer is marked Reynolds 531. Threading is standard English.  I tested threads with a Shimano 105 headset without issue. The color is best described as reddish orange. Steer tube is 7 and 15/16 with 1 and 3/16 of thread