Shimano's Skylark was utilized by Schwinn and others as the mainstream of shifting was going from internal geared hubs to pulley based gearing. Well made, rugged steel, reliable shifting, perfect for an 'old school' city cruising build. Used once for display, and kept in it's bag since. Max cog 28T, total cap 28T, Mid-late 70's made, 280g's of durable shifting. If any further questions-info needed please ask, and check out my other items of bicycle creating and restoring motivation.>>>>>>
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