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TSR (Sakae Ringyo) bottom brackets & BB parts

On this page: SR-FX English steel cups with seals

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SR FX English-threaded steel sealed cups. New, $35.00

Part# 63204

  • 1.370" x 24TPI (English threads)
  • Cups have rubber seals to prevent moisture from coming in at the axle opening
  • Bearings in retainers are included
  • Produced in the 1970s.

SR Cups

Still new after all these decades.

SR FX bottom bracket cups

Here's another look.