Steering head race set suitable for BSA A10, A7 and B31, B32, B33, B34 Pre Unit Gold Star models (1956-62) A50/65 (1962-70) Cups/Cones.
Taper Roller: No Cups and Cones: Yes Ball Size: 1/4"
OEM: 99-9912, 66-4149, 65-5126, 65-5127