Genuine Honda rear brake switch spring. This spring triggers the rear brake switch when the brake pedal is pressed. That's about all there is to it!
Honda part number: 35357-011-000
Length: 4"
Fits Honda:
CA110 Sport 50 - 1962-1969
S65 Sport - 1965-1969
CL70K - 1969-1973
CA200 Honda 90 - 1963-1966
S90 Super - 1964-1969
XL250R - 1984-1987
CB350F - 1972-1974
SL350K - 1970-1973
CB500K - 1971-1973
CB550F Super Sport - 1975-1977
CB550K - 1974-1978