Blackwall Tire Knowledge Repository

[paperslammer]

I think I'm going to start a collection of all the information about blackwall tires for the CA77 Honda Dream. It's kind of strewn about the site and it gets asked regularly, so I figure it's a good idea. Let me know if it's not!

The CA77 came with 3.25 x 16 stock (inch system). This means the outer diameter of the wheel/rim is 16 inches, and the width (at the thickest part of the tire) is 3.25 inches. If you say you are looking for a 3.25 x 16 wheel, you'll be asking for the right size

Currently there are not that many companies that still produce this size. A good substitue is a 100/90-16 tire (metric system). This means that the width of the tire is 100mm (3.93 in) and the height of the tire is 90% of the width (or 100 x 0.9) = 90mm (3.54in). I need a little help explaining this one, because it seems like this tire would be too wide, but everyone keeps suggesting it... a graphic below shows conversions from metric in inch tire sizes. It was found at this site

3.25 x 16 Tires
Front and Rear
Ohio Cycle (Use Browser Find Fuction with 'tire')
Cheng Shins - E-mail bill@billsvintagewheels.com - Picture Here - [$40 each plus shipping from TN] - (Reported by Buck)

100/90 - 16 Tires
Front
JCWhitney: Heng Shin Tire [$61.74 each]
JCWhitney: Kenda K761[$46.79 each]
JCWhitney: Avon Tyres[$100.69 each]
AMT: Avon Tyres[$102.41 each]
AMT: Bridgestone[$67.64 each]
AMT: Continental[$76.08 each]
AMT: Curo[$38.13 each]
AMT: IRC[$70.36 each]
AMT: Kenda Cruiser[$51.13 each]
AMT: Kenda K761[$49.06 each]
AMT: Metzeler[$92.17 each]
AMT: Pirella[$77.12 each]

Rear
AMT: IRC[$44.25 each]

Ok so that's all I have found based on my search of the net and this site. Please help to make sure I haven't made any mistakes. I think it would be good to put reviews of tires here too ( I can update the above info). Let me know what you think / if you have additions or subtractions!

Joe

[Loudo]

This is good stuff. However, despite the info you've displayed which presumably comes from a reputable retailer, tire designation is based on wheel outside diameter, not tire outside diameter. I'm not sure what motorcycles to which "tirechart.jpg" refers, but it's not to any I've ever heard of.

[teazer]

I'd second Loudo's comments. It's the wheel that's 16", not the tire OD. Someone slipped there.

[greg78gs750]

cheng shin 325x16 tires available from bill at billsvintagewheels.com, as posted by someone in another tire post. he also has some 3.00x16 in a ribbed front, smaller than stock, but....

he quoted me a price of 90 for a set of the 325's , shipped.

[gramey7]

The "tirechart.jpg" comes from an internet bike site webBikeWorld and the chart is just a guide to compare metric to inch size tires and is not intended for a particular bike. There is a wealth of info on this site relating to motorcycles.

[paperslammer]

I'd second Loudo's comments. It's the wheel that's 16", not the tire OD. Someone slipped there.

Thanks for this info. I updated the post to reflect these changes. I also took that picture off because it was confusing, added some prices, and while at Road Riders in San Jose I found some 3.50 x 16 for 44.95 (picture attached)

this ridiculously long link is to a pic of some cheng shin 325x16 tires available from bill at billsvintagewheels.com

Greg could you send me those pictures and delete the link from your post? The link takes you to your hotmail account and I can't log in because it's your account! Can you download them and attach them in an e-mail and send it to joseph1@stanford.edu? Also, can you edit your post and delete the link from it? The length of it makes the forum go crazy having to scroll to the left and right. Thanks everyone for your input!

[greg78gs750]

sorry! ill forward the email to you!