Golden M18 Aluminum Alloy Crank Cover Screw For Bicycle Crankset Arm Bolt And Chainwheel Screws Heavy Duty Fixing Bolt For Mountain Bikes Pro Grade Rust Resistant 7075 Grade

M18 Aluminum Crank Cover Screw for Cranksets, 7075
✔️ M18 thread (Ø18mm/0.71in), length 10mm(0.39in) 1pc

This M18 crank cover screw is a heavy duty fixing bolt made from 7075 aluminum alloy. It’s designed to secure the crank cover and chainring bolts on bicycle cranksets, especially for mountain and road bikes, helping to seal out water and dust while distributing load to reduce component wear.

✅ Material: 7075 aluminum alloy, rust-proof and corrosion-resistant; durable for long-term use
✅ Size: M18 thread (Ø18mm/0.71in), length 10mm(0.39in), OD 27.5mm(1.08in)
✅ Finish: CNC burr-free, standard thread, precise fit for crank and chainring screws
✅ Application: fixes chainrings and cranks on mountain bikes and road bikes, evenly distributing load
✅ Pack: 1 piece

💡 What is a crank cover screw used for in bicycle cranksets and how does 7075 aluminum benefit it? In short: - It secures the crank cover and keeps water/dust out - 7075 aluminum gives high strength and corrosion resistance - It helps evenly distribute load to prevent wear - Fits common M18 crank screw standards