It seems that all I have are questions.

I ordered a set of Avon Roadriders for the 350 on the suggestion of several from this forum. The sizes were 90/90-18 and 100/90-18. I also ordered Metzeler tubes and made a mistake on the front. I somehow ordered the 90/90-19 for the front and needed an 18inch tube. Trouble is they don't list a 90/90-18 tube but the one I got for the rear is approved for a 3.25-18 tire. Will this work on the 90/90-18 which replaces the 3.00-18.
I hate to put something on that doesn't specifically say its for this tire.
This chart I found says its ok but I'd like the opinion of some of you.
Tube Size Will Fit Tire Size:
2.50/2.75 - 8 2.50 - 8 2.75 - 8
3.00/3.25 - 8 3.00 - 8 3.25 - 8
3.50/4.00 - 8 3.50 - 8 4.00 - 8
2.50/2.75 - 10 2.50 - 10 2.75 - 10
3.00/3.25 - 10 3.00 - 10 3.25 - 10 80/90 - 10
3.50/4.00 - 10 3.50 - 10 4.00 - 10 100/90 - 10
2.75/3.00 - 12 2.75 - 12 3.00 - 12 80/100 - 12 100/80 - 12
3.00/3.25 - 12 3.00 - 12 3.25 - 12 80/100 - 12 100/80 - 12
2.75/3.00 - 14 2.75 - 14 3.00 - 14 3.60 - 14 80/80 - 14
3.50/3.75 - 14 3.50 - 14 3.75 - 14 4.10 - 14 110/80 - 14
2.75/3.00 - 16 2.75 - 16 3.00 - 16 80/100 - 16 80/90 - 16
3.00/3.25 - 16 3.00 - 16 3.25 - 16 90/90 - 16 100/80 - 16
3.25/3.50 - 16 3.25 - 16 3.50 - 16 100/90 - 16 90/100 - 16 90/90 - 16 100/80 - 16
4.00/4.60 - 16 4.00 - 16 4.60 - 16 120/80 - 16 110/90 - 16 120/90 - 16
5.00/5.10 - 16 5.00 - 16 5.10 - 16 130/90 - 16 140/80 - 16 140/90 - 16 150/80 - 16
2.25/2.50 - 17 2.25 - 17 2.50 - 17 3.10 - 17 70/100 - 17
2.75/3.00 - 17 2.75 - 17 3.00 - 17 3.10 - 17 80/90 - 17 100/80 - 17
3.00/3.25 - 17 3.00 - 17 3.25 - 17 100/80 - 17
3.25/3.50 - 17 3.25 - 17 3.50 - 17 110/80 - 17
3.75/4.00 - 17 3.75 - 17 4.00 - 17 120/80 - 17
4.00/4.50 - 17 4.00 - 17 4.50 - 17 4.25 - 17 4.60 - 17 110/90 - 17 110/100 - 17 120/80 - 17 120/90 - 17 130/80 - 17 130/70 - 17
5.00/5.10 - 17 5.00 - 17 5.10 - 17 130/90 - 17 140/80 - 17 140/90 - 17 5.30 - 17
2.25/2.50 - 18 2.25 - 18 2.50 - 18 3.10 - 18
2.50/2.75 - 18 2.50 - 18 2.75 - 18 3.10 - 18 80/90 - 18
2.75/3.00 - 18 2.75 - 18 3.00 - 18 3.60 - 18 80/90 - 18 90/90 - 18 80/100 - 18
3.00/3.25 - 18 3.00 - 18 3.25 - 18 3.60 - 18 90/90 - 18
3.25/3.50 - 18 3.25 - 18 3.50 - 18 3.60 - 18 4.10 - 18 90/90 - 18 90/100 - 18 100/90 - 18 110/80 - 18
3.50/4.00 - 18 3.50 - 18 4.00 - 18 4.10 - 18 4.25 - 18 4.60 - 18 100/90 - 18 100/100 - 18 110/80 - 18 110/90 - 18 120/80 - 18
3.75/4.00 - 18 3.75 - 18 4.00 - 18 4.25 - 18 4.60 - 18 100/100 - 18 110/90 - 18 120/80 - 18
4.00/4.50 - 18 4.00 - 18 4.50 - 18 4.25 - 18 4.60 - 18 4.70 - 18 110/90 - 18 110/100 - 18 120/80 - 18 120/90 - 18 130/70 - 18 130/80 - 18
5.00/5.10 - 18 5.00 - 18 5.10 - 18 130/90 - 18 140/80 - 18 140/90 - 18 120/100 - 18 140/70 - 18
2.50/2.75 - 19 2.50 - 19 2.75 - 19 70/100 - 19
2.75/3.00 - 19 2.75 - 19 3.00 - 19 3.60 - 19 90/90 - 19
3.00/3.25 - 19 3.00 - 19 3.25 - 19 3.60 - 19 90/90 - 19
3.25/3.50 - 19 3.25 - 19 3.50 - 19 3.60 - 19 4.10 - 19 90/90 - 19 100/90 - 19 110/80 - 19
3.50/4.00 - 19 3.50 - 19 4.00 - 19 4.10 - 19 4.25 - 19 4.60 - 19 100/90 - 19 110/80 - 19 110/90 - 19 120/80 - 19
4.00/4.25 - 19 4.00 - 19 4.25 - 19 110/90 - 19 120/80 - 19 120/90 - 19
2.50/2.75 - 21 2.50 - 21 2.75 - 21 70/100 - 21 80/80 - 21 80/90 - 21 90/80 - 21
2.75/3.00 - 21 2.75 - 21 3.00 - 21 80/90 - 21 80/100 - 21 90/80 - 21 90/90 - 21 100/80 - 21
2.75/3.00 - 22 2.75 - 22 3.00 - 22
2.75 - 23 2.75 - 23