Anodized shiny blue aluminum with bearing steel polished ball race.
British 25.4 x 24 thread.
Remark. Upper race and lower cup diameter are 33 mm(not regular 30.2mm), fork race 26.4mm.
5/32 x 22 balls bearings x 2 are included.
Stack height 39.5mm(include 2mm tooth washer), weights116g.
Economy International Shipping with tracking number, transit takes 13-23 business days.