It's bike repair time in Masterton

It's bike repair time... First a little background... Soon after I started riding the trike the drive side hub shell cracked and since its a old bike there's no way of getting a replacement hub so after some thought I too it to a frame builder (person who makes hand bikes) I know and they using a few things made it so I could ride the trike again - the new parts was a new part of the drive axle, a aluminum sleeve over the (steel) axle and a 20 mm (GT) though axle front Mt bike hub - the sleeve was to bring the axle up in size so that the front 20mm hub would fit on to the axle - the end of the axle was then theaded to take a bot to hold the wheel on the axle and a hole was drilled though the hub shell,aluminum sleeve (that's part of the inside of the hub) , the spacer aluminum sleeve and steel axle to take a 6mm nut and bolt to lock the hub shell to the drive axle - the sealed bearing and inside (aluminum) sleeve in the hub (between the sealed bearing was used in t...