I currently have the following g450 parts for sale, all the prices are in Australian dollars.
Please contact me for postage prices and further details.

Front forks $250
Throttle assembly incl...

Seat now sold.

Speedbrain seat for sale.
Excellent condition don’t think it’s ever been used tbh. I bought it and never got to use it!
Will ship worldwide at buyers expense $400 aud ono.
Unable to upload pics...

Thanks for the heads up Tim.

Speedbrain seat as new currently listed on eBay Australia.
Here’s the link.
https://www.ebay.com.au/itm/114203757589
Will be selling almost a complete bike over the coming weeks.