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 2,5 Hex, Japanese Industrial Standard #1 and Flat screwdriver heads the Fine Adjustment Screwdriver Set is a must have tool kit for delicate jobs.Features:- Must have tool for fine adjustments Perfect for micro-adjustments required for 11- and 12-speed rear derailleurs- Set of 4 screwdrivers- Hex: 2 and 2.5- JIS #1- Flat head screwdriver

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