The aluminium bearing steering set is one more excellent product from yeah racing for all types tt-01 chassis. It gives a much much better steering control sensation for your car and looks fantastic on your car. It is very easy to assemble, it contains all the screws needed but it doesnt comes with instruction. Dont worry about the last one just check how your old plastic steering set is fixed in your car take off carefully and place the aluminium with the say way. It comes in black, red and blue or you can combine colours if you like. I bought the main shaft and bearing set in blue colour and other aluminium parts in red and all my friends looking amazed once i take off my body shell.Thank you yeah racing for great products and rcmart tem for excellent prices great service and shipping. You are my favorites!