Brake Pedal Spring (one coil) -CASA LAMBRETTA- Lambretta LI 125 (Series 1, through 1958), LI 150 (Series 1, through 1958), TV 175 (Series 1)

Brake pedal spring for the Lambretta Series 1, but only up to the 1958 model year.

Starting in 1959, the spring with four coils—the same type used on all Series 2 and 3 Lambrettas—began to be used. 

The cutoff chassis numbers can be determined based on the engine numbers: 

•  Li 125 Series 1 spring with one coil up to engine number 517,251
•  Li 150 Series 1 spring with one coil up to engine number 736.695