Schwinn S6 26x1 3/8 Tube
09-20-11, 07:44 PM
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Schwinn Collegiate Sport 10 Questions
My girlfriend has an old Schwinn Collegiate Sport 10(converted to single speed) that we got for cheap on craigslist.
Replaced the tires, got the last two at one of the lbs. For some stupid reason, I neglected to replace the tubes and just reused the old ones.
Questions:
1. Rear tube is flat, so I wanted to know if I can use a regular 26" tube from my LBS, or do I need to special order it?
2. What size is the bottom bracket/crankset? We're kind of restoring it this winter and would love to pick up a nice 3-pc crank set.
3. What can I do for a new wheel set for this thing? Can I buy a standard 26" wheel set to get out of this annoying special size?
Thanks in advance!
Replaced the tires, got the last two at one of the lbs. For some stupid reason, I neglected to replace the tubes and just reused the old ones.
Questions:
1. Rear tube is flat, so I wanted to know if I can use a regular 26" tube from my LBS, or do I need to special order it?
2. What size is the bottom bracket/crankset? We're kind of restoring it this winter and would love to pick up a nice 3-pc crank set.
3. What can I do for a new wheel set for this thing? Can I buy a standard 26" wheel set to get out of this annoying special size?
Thanks in advance!
Last edited by ddeadserious; 09-20-11 at 07:52 PM.
09-20-11, 09:09 PM
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Standard 26x1 3/8 tubes will work in a Schwinn 26x1 3/8 tire but the mountain bike sizes (26x1.5, 1.75, etc, any decimal notation) won't.
Likewise, the standard 26x1 3/8 wheels will probably work but you've got to check the reach of your brakes. The standard is on a 590mm rim and the Schwinn is on a 597mm rim. 4mm more reach will be needed. 700s might be a possibility.
You should diligently wear out your new tires before making the switch, though.
For a 3 piece crankset, you'll need a converter. There's lots of guys here that know more about that than me but here's one kind;
https://www.ebay.com/itm/280738376003...#ht_500wt_1361
There's also lots of trick 1 piece BMX cranks out there. I don't know too much about them, though.
Likewise, the standard 26x1 3/8 wheels will probably work but you've got to check the reach of your brakes. The standard is on a 590mm rim and the Schwinn is on a 597mm rim. 4mm more reach will be needed. 700s might be a possibility.
You should diligently wear out your new tires before making the switch, though.
For a 3 piece crankset, you'll need a converter. There's lots of guys here that know more about that than me but here's one kind;
https://www.ebay.com/itm/280738376003...#ht_500wt_1361
There's also lots of trick 1 piece BMX cranks out there. I don't know too much about them, though.
09-20-11, 11:06 PM
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One piece cranks were used by BMX long after they'd been phased out on other bikes, so most of your parts options will start there. Pedal threading is 1/2" instead of 9/16", which will reduce your options. You can get a spider to run regular chainrings. IIRC, Sunlite still sells double and triple chainwheels for one piece cranks. If you decide to go for a single chainring up front, you have a wide range of gearing options thanks to BMX, but make sure you get something with 3/32" teeth to fit the chain.
Switching to a three piece crank will save about a pound, and give you some more crank options. Truvativ makes a conversion that fits into the BB shell and lets you use a regular ISO-thread bottom bracket: Width of both OPC and English BBs is 68mm. https://www.amazon.com/Truvativ-00-64...581502&sr=1-15
Switching to a three piece crank will save about a pound, and give you some more crank options. Truvativ makes a conversion that fits into the BB shell and lets you use a regular ISO-thread bottom bracket: Width of both OPC and English BBs is 68mm. https://www.amazon.com/Truvativ-00-64...581502&sr=1-15
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