Park Tool CTP-4K Pin Replacement Kit for CT-4, CT-11 $10,65 favorite_border Park Tool Replacement pins for Park Chain tools. Durable and high quality Includes four hardened replacement pins and one replacement ball bearing for the CT-4 Chain Tool CTP-4K works for CT-4, CT-4.2, CT-4.3 and CT-11 See at Unlimitedbiking See all Tool