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schwinn rim widths S-4 ?

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looneymatthew

Wore out three sets of tires already!
are s4 rims for specific schwinns ? tanndems ect. and what are the differences from s2 rims are they considerd mid weight? S2 2.25 what are s4 ?
 
are s4 rims for specific schwinns ? tanndems ect. and what are the differences from s2 rims are they considerd mid weight? S2 2.25 what are s4 ?
Hi Mathew,
The S4 rim is the same as 650B which is a popular size for French tandems and touring bikes, and has recently been used for mountain bikes.The rims are a little bit taller than S2s. The tires are not interchangeable, so you need to buy 650B tires for S4 rims.
 
thank you

could not find alot of info. thats what i needed to know thanks alot.



Hi Mathew,
The S4 rim is the same as 650B which is a popular size for French tandems and touring bikes, and has recently been used for mountain bikes.The rims are a little bit taller than S2s. The tires are not interchangeable, so you need to buy 650B tires for S4 rims.
 
  • S4 came on Walter Weights also

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the original tires for the S4 rims were 26x1-1/2 " the 650B tires work,but never seem to fit just right.the Schwinn Hurricane 26x1-1/2 tire are still out there.I recently picked up a set for my 53 welterweight.
 
Tire sizes by Diameter...

S-2 ........... 559 mm (26 x 2.125 / 1.75) Balloon , mountain and middleweight
S-7 ............ 571 mm (26 x 1 3/4 ) Schwinn Middleweight
S-4 ............ 584 mm (26 x 1 1/2 ) 650b / Schwinn Welterweight AND todays new 27.5 tire designation
EA-3 ......... 590 mm (26 x 1 3/8) Lightweight
S-5 / S-6... 597 mm (26 x 1 1/4 - 1 3/8) Schwinn Lightweight (AKA as EA-1)


S5 was intended for 1 3/8" wide tires ( available in 20" 24" and 26" )
S6 was intended for 1 1/4" wide tires ( available in 20" 24" 26" and 27" )
 
Tire sizes by Diameter...

S-2 ........... 559 mm (26 x 2.125 / 1.75) Balloon , mountain and middleweight
S-7 ............ 571 mm (26 x 1 3/4 ) Schwinn Middleweight
S-4 ............ 584 mm (26 x 1 1/2 ) 650b / Schwinn Welterweight AND todays new 27.5 tire designation
EA-3 ......... 590 mm (26 x 1 3/8) Lightweight
S-5 / S-6... 597 mm (26 x 1 1/4 - 1 3/8) Schwinn Lightweight (AKA as EA-1)


S5 was intended for 1 3/8" wide tires ( available in 20" 24" and 26" )
S6 was intended for 1 1/4" wide tires ( available in 20" 24" 26" and 27" )
Thanks!
 
Does anyone know how late Schwinn used the S4 wheels on tandems?
 
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