Single-Speed to Geared Conversions Desiree's single-speed @somafab Rush, converted to a 1×7 drivetrain. A post shared by Wiggle Bicycles San Francisco (@wigglebicycles) on Feb 21, 2026 at 2:39pm PST Refurbishments Custom Commuter Bikes Custom MTBs Custom Road Bikes Flat Bar Conversions Bikes for the Tall and Small Single-Speed to Geared Conversions
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