The GS antenna prevents the guide line from becoming tangled with the front wheel of your bicycle. For bicycles, scooters, gear. Connects to the head tube (50 mm). Fits most bicycles and is easy to assemble. It is possible to disconnect the stainless steel spring without removing the aluminum mounting. Characteristics: Aluminum mounting in black color, complete with screws Stainless steel spring Weight: 258 grams Length: 63 cm Consumer recommended retail price: €91.98