Soyo 35a
Main Photo
Category:  Tires
Name:  Soyo 35a
Brand:  Soyo
Model:  35a
Years:  1980's - Current
Country:  Japan
Weight:  140 grams
Added By: steveinjava on 08/27/08
Updated By: steveinjava on 08/27/08
Additional Photos - click for full size
Label MarkingsTire TypeTubular
SizesMax PSI ? Not massive- maybe 120 psi
Sidewall Typewhite and very thin!Designed Use Road Race
General Information
18mm with a surprisingly deep file tread given they weighed next to nothing.
The valve area was usually slightly humped but with care it was acceptable.
Like all Soyos the tread was harder than the average tarmac surface so wet riding was a bit "Torville and Dean".
Ian Cammish used pairs of them and after one 100 my father saw him strip it off and bin it with hardly a look.
I only risked one on the front and it WAS a risk!
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Additional Resources
Resources:Reference & Charts
Brand Information(click to expand)
Japanese manufacturer who sold a lot of track tubs for the popular keirin races in Japan. They were cheap and fairly true. There worst feature was the very hard treads which were not good in the dry but much worse than that in the wet!
They also produced cyclo cross tubs with tractor treads and standard road race models although it was the track ones the UK saw.
A mail order concern called "Sprint Tubs" based in the Wirral seemed to be the main seller- advertising in the back of Cycling through the 80's.
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