7-Speed Freewheels

7-speed freewheels appear on many entry-level mountainbikes. The freewheel includes the ratchet mechanism, and the complete unit screws onto the wheel. If your ratchet mechanism is attached to the hub, you'll need a cassette rather than a freewheel.

Shimano Freewheel 7sp 13-28
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2618
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7 speed screw on freewheel. Sprocket sizes: 13, 15, 17, 19, 21, 24, 28.

For removal from wheel use Shimano TL-FW30. Weight: 456g.