New 20 ounce tumblers available now! Forum donation credit with purchase. https://www.wildguzzi.com/Products/products.htm#Tumbler
I've used OUTEX system in two bikes. A V7ii and a BMW R90. Three years and two tyre changes with no issues. Easy to install. Followed the instructions, watched a coupe of youtube vids and made extra sure the rims were very clean.http://www.outex.jp/tubelesskitenglishlist.htmcomes with valve and all required bits. Kits to suit nearly any size rim out.