It still a little weight which you could use else where.
Bad luck with the Gearbox, any chance when you where hacking it you did up the bolt too much?
Can you put some pics on of what you have done? And how much thread is off.
How iv done mine in my prototype seems perfect. Can Rally it around full pelt even carrying adults back and forward and there is no hint of that happening, and I'm talking 10 mins at at time so it's no light work.
Bookmarks