Of all the components that make up this Rear Swinging Arm the O Ring(d:2,id:24.5) has the lowest price.
The forty-four Tc125 1975 (m) Usa (e03) Rear Swinging Arm component parts are all listed in this schematic.
Parts such as the Rear Swinging Arm: 01500-06107, Case,chain, 08310-00067, Washer (6.5x20x1.2) are included in the Tc125 1975 (m) Usa (e03) Rear Swinging Arm parts fiche.