SR Royal  bottom bracket   ( 68 - 118 mm / R 68 - T )  - Taper type axle..

Produced by Sakae Ringyo ( Japan ) - Circa Mid 70's....

Cup & Cone type bb set

British thread cupset -  1.37 x 24..

Axle measurements -  ( 33 / 50 / 35 mm )...

Suitable for use with SR Royal  70's Series  etc..

Supplied in bag Pkg..