Fixed up a childhood kit today, ready to be played with again. A few of the old technic pieces have perished and snapped so it's going to have to go without handlebars,
Ultimate Lego Technic Motorcycle Collection
LEGO Technic 8838 Shock Cycle : Amazon.co.uk: Toys & Games
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Technic Sets - LEGO 8838 Shock Cycle Technic Off Road Motorbike Set