5pcs Double Chain Ring Bolts M8 Aluminum Alloy Bicycle Crankset Nuts Chainwheel Screws for Road Bike Mountain Bike, Red

5-Piece M8 Aluminum Alloy Chainring Bolts for Road & Mountain Bikes - Red CNC Machined, 5-Pack ✔️ 5-pack M8 aluminum chainring bolts, red anodized, CNC precision, 5 bolts

These are 5 aluminum alloy chainring bolts designed to secure chainrings on road and mountain bikes. The CNC‑machined bolts feature M8 threads with a 12 mm outer diameter, a 5 mm inner hole, and a 10 mm nut outer diameter, all finished in a durable red anodized coating to resist oxidation. This 5‑pack provides ready replacements for riders upgrading or restoring cranksets, and the anodized surface helps maintain color and appearance over time. Use a 5 mm hex wrench to install, standard threads ensure even torque, and avoid overtightening to protect the aluminum hardware. Compatible with common 5‑bolt chainring patterns across road, MTB, track, folding, and urban bikes.

✅ Thread size: M8; Outer diameter: 12 mm (0.47 in); Inner hole: 5 mm (0.20 in)
✅ Nut outer diameter: 10 mm (0.39 in); Length options: 9.5 mm (0.37 in) and 8.5 mm (0.33 in)
✅ Material: Aluminum alloy; Finish: Red anodized; Corrosion resistant
✅ Finish/precision: CNC machined, burr-free, standard threads; Tighten evenly
✅ Pack size: 5 bolts in a set; Suitable for replacements or upgrades
✅ Application: Secures chainrings on road, mountain, track, and other bikes; compatible with 5-bolt patterns
✅ Installation note: Use 5 mm hex wrench; avoid overtightening to prevent damage
💡 What is the benefit of using M8 aluminum chainring bolts for 5-bolt chainrings on road and MTB? This answer highlights practical gains for riders and builders. - Compatibility with standard 5-bolt chainring patterns across multiple bike types - Lightweight aluminum reduces rotating mass for snappier feel - Anodized red finish resists corrosion and stays looking sharp - Precision CNC threads deliver consistent torque and prevent slippage This handy upgrade helps keep chainrings secure during daily rides and rugged trail use.