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Howdy chaps,
One glance at the tread pattern on a Shinko 270 reveals why handling might be questionable to some, the tread siping is open down the center and unsupported. Anyone familiar with the original dreadful Coker Classics modeled after era Goodyear’s will recognize this. Later Goodyear’s closed this as did Coker as you’ll note by their current offering. I had open on front and later design closed on the back of my Knuckle when purchased and it’s stability could only be described as “greasy” no matter what air pressure I ran. Seemed to get slightly better as they wore with less squirm on shorter tread. Night before their last road run switched ends with limited happiness but they were immediately replaced afterward with Coker Firestones. Admittedly I and my trinket encrusted machine, especially with passenger, quite heavy on a primitive rigid with springer, which might not have helped.
One glance at the tread pattern on a Shinko 270 reveals why handling might be questionable to some, the tread siping is open down the center and unsupported. Anyone familiar with the original dreadful Coker Classics modeled after era Goodyear’s will recognize this. Later Goodyear’s closed this as did Coker as you’ll note by their current offering. I had open on front and later design closed on the back of my Knuckle when purchased and it’s stability could only be described as “greasy” no matter what air pressure I ran. Seemed to get slightly better as they wore with less squirm on shorter tread. Night before their last road run switched ends with limited happiness but they were immediately replaced afterward with Coker Firestones. Admittedly I and my trinket encrusted machine, especially with passenger, quite heavy on a primitive rigid with springer, which might not have helped.
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