Bottom view of the Park Tool CT-3.3 Chain Tool, click to enlarge
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Item # CT-3.3

/ Tools / Chain

Chain Tool

The CT-3.3 is a professional shop-quality tool for removal and installation of bicycle chain rivets for chain sizing and replacement. Compatible with virtually all single-speed and multi-speed chains* including SRAM® Flattop™ and SRAM® T-Type. The CT-3.3 features a floating locating shelf for compatibility with any width of chain. Built to last and easy to use, the CT-3.3 features a comfortable handle, investment cast steel body and replaceable driving pin for years of dependable use.

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CT-3.3 Features

  • Compatible with single-speed bicycle chains including 1/8", 3/16" and half-link
  • Compatible with all 5-speed to 12-speed bicycle chains* including SRAM® T-Type, SRAM® Flattop™, and Shimano® XTR® 12-speed
  • Replaceable pin (part #CTP)

*The CT-3.3 will install and remove, but not peen, Campagnolo® 11, 12 and 13-speed chain rivets.

Use and Care

  • Before use, check that the pin is tight in the handle.
  • Always position the chain onto the floating shelf, not below or above it.
  • As you drive the chain tool, ensure the pin is driving in a straight line, with the pin in the center of the rivet.
  • Periodically grease the threads of the handle for optimal performance and longevity.

Support Articles



  • Cycling Weekly: Best Workshop Chain Tools 2024 The Park Tool CT-3.3 is made from steel and features a rugged design with its iconic blue adorning the pin handle. I think it's fair to say that you'd expect years of use from this tool especially as many bike shops use Park Tools daily.

Parts & Accessories


Replacement Parts


Replacement Chain Tool Pins

CT-3.3 Chain Tool