
Screw Dustproof Crank Crankset Bicycle Accessories
Product Information:
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Available in various types: hexagonal, ordinary, rubber anti-loosening, and extended with anti-drop glue.
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Fits M8×15mm, M8×18mm, and M8×20mm lengths for versatile use.
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Made from durable 45# steel for long-lasting strength.
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Weighs approximately 13g and is suitable for square hole inner threads.