Bearing carrier :105mm of 42nb tube,79mm of 42mm od tube,2 sets of timken 30302CM bearings, 14mm x 160mm ht bolt,rolled shim to take 14mm bolt out to 15mm:


Brackets and latch,if the rear bar is built from scratch these brackets aren't required.The catch is a horse float style,spring loaded heavy duty,costing between $20 to $30 :

Arm bored to accept carrier

IF THERE IS ENOUGH INTEREST i'll put more detailed descriptions and steps for the processes.