SunTour Freewheel parts

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SunTour freewheels are posted here.

SunTour freewheel parts posted on this page:
Lockrings: Alpha lockring/top race | Pro Compe lockring/top race | Winner Pro lockring/top race
Freewheel bodies: Pro-Compe 5-speed freewheel body | Winner freewheel body | Winner-S freewheel body
Winner freewheel cogs: 18-tooth | 32-tooth

Suntour could trace its origins to 1912, when the then-named Maeda Iron Works began making bicycle sprockets and then freewheels.

Suntour's business really took off with its introduction of the slant parallelogram rear derailleur in 1964. This innovation, upon which all modern derailleurs are based, allowed the derailleur to maintain a constant distance from the sprockets and vastly improved shifting.

Suntour thrived and expanded, eventually producing complete groups, all well-designed and beautifully made. But upon the expiration of Suntour's slant-parallelogram derailleur patent, arch-competitor Shimano, adopting this design, became a relentless and dominating force in bicycle components, crushing the weaker Suntour company.

In 1988, the now-struggling Suntour company was purchased by the a Taiwan firm and by 1993, once-dominant Suntour owned only five percent of the U.S. market.

SunTour freewheels made before 1974 were branded "Maeda"

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SunTour Alpha freewheel lockring/top race. Used

We have three: #1 | #2 | #3

SunTour Alpha freewheel lockring/top race #1. Used, $10.00/each

The top side

Here's the bearing surface side.

SunTour Alpha freewheel lockring/top race #2. Used, $10.00/each

Top of the lockring

Here's te bearing surface side.

SunTour Alpha freewheel lockring/top race #3. Used, $10.00/each

Top of the lockring

The bearing surface

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SunTour Pro-Compe lockring/top race. Used, $10.00/each

Top side.

The bearing surface side

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SunTour Winner Pro lockring/top race. Used, $20.00/each

Top view

Here's the bearing surface side

Side view

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SunTour Pro-Compe 5-speed freewheel body. Used, $25.00/each

Close-up, from above

Side view

The back of the freewheel body.

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SunTour Winner freewheel body. Used, $30.00/each

• This body is 31mm wide

Top view

From the side

The back of the freewheel body

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SunTour Winner-S freewheel body. Used, $30.00/each

• This freewheel body is 30mm wide

Side view

A side shot from a slightly different angle

From the top

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SunTour A18 Cog. New, $15.00/each

Part# 56435

We have two in stock.

New and ready to hit the road.

The other side of the cog.

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SunTour A32 silver cog. New, $20.00/each

Part# 56416

This is the last silver one we have.

Ready for the road.

Here's the other side of the cog.

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