Product reviews for Park Tool Master Chain Tool CT42
Park Tool Master Chain Tool - CT4.2
Park Tool Master Chain Tool - CT4.2. Tools. The CT-4.2 Master Chain Tool replaces the CT-4 Master Chain Tool. The CT-4.2 will work with “hour-glass” shaped 8, 9, 10 and 11 speed chains. Also fits the asymmetrical Shimano chain designs such as Dura-Ace 7900. Specially designed to work with .... .