Designed to provide you with a better sports bicycle experience the PRO Fine Adjustment Screwdriver Set is the ultimate tool for fine adjustment jobs on your bike With 2 and 25 Hex Japanese Industrial Standard 1 and Flat screwdriver heads the Fine Adjustment Screwdriver Set is a must have tool kit for delicate jobsFeatures Must have tool for fine adjustments Perfect for microadjustments required for 11 and 12speed rear derailleurs Set of 4 screwdrivers Hex 2 and 25 JIS 1 Flat head screwdriver

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