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Park Tool

Park Tool - CT-6.3 Folding Chain Breaker

Chain Tools

Product Details


The CT-6.3 removes and installs chain pins in all derailleur chains, 5 to 12-speed. Smooth and powerful, this handy take along is encased in a stainless steel shell, which becomes a comfortable handle when opened. Also included is a peening anvil that allows for peening of Campagnolo® 11-speed chains, which pivots out of the way when not in use.


  • Compatible with 1/8” single-speed and 5 to 12-speed derailleur chains
  • Includes foldable peening anvil for peening Campagnolo® 11-speed chains
  • Cast steel body with stainless steel case
  • Replaceable pin (part # 985-1)
  • Dimensions: 2.8" x 0.8" x 0.85" (72mm x 20mm x 22mm)
Code Description RRP (Inc. GST) Availability
K-985-1 Park Tool CHAIN PIN FOR CT-6,6.2,6.3+MTB-1 PAIR $22.90 In stock