Shimano TZ20 6s Freewhell
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Shimano TZ20 6s Freewhell Info
The Shimano TZ20 6-Speed Freewheel is a straightforward, reliable thread-on freewheel designed for entry-level road, hybrid, and utility bikes with standard threaded rear hubs. Part of Shimano's Tourney component lineup, the TZ20 uses Hyperglide tooth profiling to deliver smoother, more predictable indexed shifting — the same technology found across Shimano's broader drivetrain range, scaled down to an accessible price point.
The freewheel covers a 14–28 tooth range with a 14-16-18-21-24-28 cog configuration, making it well-suited for flat to moderately rolling terrain. It runs on standard 3/32" chains and mounts via BSA/ISO threading (1.370" x 24 tpi), compatible with any threaded freewheel hub. Installation and removal require a Shimano-compatible freewheel removal tool. At $29.99, it's a practical replacement option for older road bikes, commuters, and city bikes built around screw-on hub systems.
