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1990-12-16
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58 lines
CHART OF INTERCHANGEABILITY
copyright 1990, Jeff Napier
THE STANDARDS GROUPS Freewheels
American standard = American All interchangeable
Schwinn standard = Schwinn except: French, Italian.
English, Japanese = Eng,Jap
French = French Handlebar stem
Old English = Old English American..........................7/8"
Italian = Italian Most others.....................15/16"
--------------------- French....................non-standard
The components interchange within
these groups Grips
All standard......................7/8"
The standards mean that a head-
set from an American-made Huffy will
fit in another American-made Columbia,
but not in a French-made Peugeot. How- Chain
ever, the French Peugeot parts will 1- and 3-speeds.............1/2 x 1/8"
fit in another French made Jeunet. derailleur bikes...........1/2 x 3/32"
--------------------------------
Tires
Axle Threading The standards for width are the same
Front wheels, American...5/16" x 24TPI regardless of diameter.
Front wheels, BMX, 26 x 1-3/8 EA3 does not fit EA1
Cruiser, Mountain......3/8" x 26TPI 26 x 1-3/8 for Schwinn is EA1 and
Rear wheels, coaster......3/8" x 24TPI 26 x 1-1/4
Rear wheels, derailleur...3/8" x 26TPI 26 x 1.75 interchanges w/ 26 x 2.125
Sturmey-Archer............non-standard 26 x 1.75 is not 26 x 1-3/4
Schwinn (pre-1970)........non-standard (1-3/4 tubes do fit 1.75)
26 x 1.50, 1.95, 2.00, 2.10 also
interchange with 26 x 1.75
Bearings 27 x 1-1/8 will fit 27 x 1-1/4
headset..........................5/32" 27 x 1 will also fit, but not well
bottom bracket, 3-pc..............1/4" 700c does not fit 27" diameter
bottom bracket, 1-pc.............5/16"
pedals....................1/8 or 5/32"
freewheel.........................1/8" Crank Cotters
front hub........................3/16" English, Japanese...............9.5mm
rear hub..........................1/4" French..........................9.0mm
Seat Clamp
American..................5/8" or 7/8" Frame Tubing Diameters
All others........................7/8" American: seat-, down-, toptube....1"
Japanese: English, toptube.........1"
Seat Post downtube, seattube.........1-1/8"
American, general...............13/16" French: close to Japanese, not exact
BMX, inexpensive................13/16"
BMX, expensive....................7/8"
Mountain Bike, inexpensive..........1" Pedals
Mountain Bike, expensive...26.4,26.6mm 1-pc cranks......................1/2"
Road bike, inexpensive..............1" 3-pc cranks.....................9/16"
Road bike, expensive.......26.8,27.2mm French...................non-standard