M10 Rear Derailleur Hanger Bolts Set, Aluminum Alloy Tail Hook Screws For Bike Chain Tensioner Installation, Silver, 13.8mm Length, Pack Of 4, Pro Grade Beefy Durable Bike Repair Hardware

M10 Rear Derailleur Hanger Bolts - Aluminum, 4-Pack, 13.8mm
✔️ M10xP0 thread, 13.8mm length, aluminum alloy bolts, pack of 4

These lightweight aluminum bolts are designed to secure rear derailleur hangers and chain tensioners, keeping drivetrain alignment solid during maintenance. They’re suitable for road, mountain, and hybrid bikes that use standard hanger hardware.

✅ Material: aluminum alloy for strength and durability
✅ Application: secures rear derailleur hangers and chain tensioners
✅ Size: M10xP0, 13.8mm overall length
✅ Pack: 4 bolts per package
✅ Install: use a 5mm hex wrench (not included)
✅ Color: silver

💡 What is a derailleur hanger bolt used for in bicycle maintenance? The bolt helps keep the derailleur hanger and chain tensioner secured to the bike frame, maintaining alignment and proper tension. - secures derailleur hanger to frame for proper alignment - supports chain tensioner mounting and tensioning - compatible with M10xP0 hardware on many bikes

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