Hawkeye BMX Bike Gyro Brake Cables Front + Rear (Upper + Lower) Spinner Rotor Set Kit is designed for 1-1/8" headtubes and includes the gyro, top and lower mounting plates, and the top and lower cables. Integrated headtube frames will need gyro tabs which are sold separately.

Specifications:
Upper Cable Housing Length: 340mm (Approximately)
Gyro Inner Diameter: 46mm