WOLF TOOTH Wolf Tooth EC34/30 Premium Lower Headset Ultraviolet Purple Bicycle Headset Brand: Wolf Tooth Components wolf2508-16: U1EC34L-30-PRU JAN Code: 0810159401128 Product design, specifications, and appearance may change without notice. Cycling Parts Bicycle Headset for Road Bikes, MTBs, Mountain Bikes, Cyclocross, and Cross Bikes