It is widely understood how essential it is to adorn your previous bullet bikes with only the most genuine and best quality Royal Enfield Accessories that have the following features just as this range of 4-8" Speedo Cable BSA D1 D3 D5 D7 C10L C15 B31 B40 C10. Since it a Hard-to-find Speedometer Cable, this can be easily fitted to BSA Motorcycle having Smiths Chronometric Speedometer. The length of this Speedo Cables is standard 4'-8". If using Replica Smiths Magnetic Speedometers- this Cable would not fit. We urge you to get Magnetic Speedometer Cable as a better suited option.
Speedometer Cable fits to these Bullet models:

D1 D3 D5 D7 1949-62
D7, Bantam 1959-62
C10L 1954-55
C15 and B40 1959 - 65
C15,SPITFIRE C15 SPORTS STAR 1961
B31 1954-55
B33 RIGID and PLUNGER 1954-55
M33 1954-57

Note: The offered product range has been tested for quality compatibility. Manufactured as per highest quality standards, all its specifications of size and dimensions are as per industry standards. All the products are as per Royal Enfield specifications and we do not stand responsible if you are applying the concerned product to other vehicles. Some modification might be required for the same.