Prestacycle 50mm Extended Professional Bits are designed for hard-to-reach fasteners on modern bicycles, including recessed brake caliper bolts and rear derailleur main bolts. Made from hardened S2 steel and nickel-plated for durability, they deliver precise fit, long life and protection for high-end components.
Supplied in a patented bit
5.0
8 ratings
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Inexpensive but super nice, perfect fit and finish and a pleasure to use
J
Joseph · September 26, 2026
Perfect combination of (the 6) bits. Love the length