South Salem Cycleworks: Salem, Oregon
(503) 480-2001
We have a huge stock of vintage and modern parts. Contact us!

SunTour cranksets

On this page: X1 175 triple crankset | XCT 175 triple crankset with 22/32/42 rings | XCT 175 triple crankset with 28/38/48 rings | XLT 175 triple crankset with 22/32/42 rings | Micro Drive XC Comp 175mm triple crankset with 20/32/42 rings | SL 170 crankset with 42/52 rings | SL 170mm crankset with 39/53 rings | SR-SunTour 175mm crankarms with 22-tooth inner ring

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Suntour can 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.

At the same time, also hammered by Shimano's market dominance, the once powerful crankset maker SR was acquired by Mori industries in 1987. The next year, this new SR company purchased SunTour. The resulting firm was renamed SR-SunTour.

In 1994, faced by ever-declining sales, Mori contemplated closing the firm. Instead, it was purchased by management and now SR and SunTour parts are made in Taiwan.

SunTour X1 175 triple crankset, black anodized w/28/38/48 rings. Lightly used, $50.00

X! triple crankset

Lightly used, as the chainrings show.

Suntour crakset

The back side, looks just as good.

SR-SunTour XCT 175 triple crankset with 22/32/42 rings. New, $60.00

Part# 60104

  • We have six in stock

XCT crankset

That's a plastic protective film on the logo of the right crank.

XCT 175 mm crankset

It's new, in the box

SunTour crankset

And the back side

SR-SunTour XCT 175 triple crankset with 28/38/48 rings. New, $60.00

Part# 60120

XCT crankset

New, and ready for your bike.

XCT crakset

New, in the box. Not a fancy box, but who rides the box?

XCT crankset

And the back side of the crankset.

SR-SunTour XLT 175 triple crankset with 22/32/42 rings. Used, $35.00

SR SunTour XLT triple crankset

A little scuffed, but many miles left in this set.

XLT crankset

And from the back.

SunTour Micro Drive XC Comp 175mm crankset with 20/32/42 rings. Used, $75.00

It was the SunTour Micro Drive system that started the compact drive revolution.

SunTour XC Comp crankset

Top side

SunTour mircro drive crankset

And the flip side

SunTour SL 170mm crankset with 42/52 rings. New, $100.00

Part# 60108

  • Produced 1991-1994
  • 130mm BCD

SunTour 170 SL crankset

Simple design and nicely finished

SunTour SL crankset

And the back side

SunTour SL 170mm crankset with 39/53 rings. New, $100.00

Part# 60108-02

  • Produced 1991-1994
  • 130mm BCD

Sugino SL crankset

Ready for your bike

SunTour SL crankset

And turned over. Note it has an SR inner chainring. When this crankset was made SunTour & SR had already merged.

SR-SunTour 175mm triple crankarms with 22-tooth inner ring. Used, $30.00

  • The arms are made for 110mm outer rings

Sun Tour crak arms

175 arms that take 110mm rings.

SunTour cranks arms

The business side of the arms