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

SR - Sakae Ringyo tandem cranksets

On this page: Apex 170mm right captain's crank arm | SX 170mm left arm

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Despite its dominance in the mid-1980s SR (Sakae Ringyo), has left only a faint historical footprint. It looks like the firm began in the mid-1960s. As Japanese bikes began to dominate the American consumer market in the 1970s, it seemed that most of the bikes were SR crank-equipped. The firm earned it business. From the least expensive to the top-of-the-line, SR cranks were well-made.

Hammered by Shimano's market dominance, the once powerful SR was acquired by Mori industries in 1987. The next year, the new SR purchased another formerly mighty Japanese component maker, 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.


SR Apex 170mm Captain's right crank arm. Used, $25.00

SR Apex crank arm

Note: It looks like a single bike's left arm, but it has right-hand pedal threads.


SR-Sakae SX 170mm left tandem crank arm. Used, $90.00/each

SR tandem crank arm

This crank arm has left-hand pedal threads.

SR Tandem crank arm

Here's the back of the arm with and "L" for left stamped on it.

SR tandem crank arm

A close-up.