Mountain Bike Crank Arm Fixing Bolts – Aluminum Alloy Cover Screw

Keep your drivetrain looking sharp and performing at its best with these Mountain Bike Crank Arm Fixing Bolts. Precision-crafted from high-strength aluminum alloy, these crank arm cover screws are a must-have upgrade for any MTB rider who values durability, style, and reliable hardware.

These cover bolts feature an anodic oxidation surface treatment that delivers vibrant, long-lasting color while forming a tough barrier against corrosion and daily wear. Whether you're on the trail or maintaining your ride at home, these bolts deliver a clean, professional finish that holds up ride after ride.

Key Features

• High-Strength Aluminum Alloy – Lightweight yet exceptionally durable; resists deformation under load
• Anodized Surface Treatment – Corrosion-resistant finish with a bright, attractive appearance
• Precision Machined – Fine workmanship ensures a secure, rattle-free fit on standard crank arms
• 2 Color Options – Choose the color that best matches your bike's aesthetic
• Easy Installation – Direct replacement for worn or missing crank arm fixing bolts; no special tools required
• Universal Fitment – Compatible with most mountain bike crank arm setups

Product Details

• Material: Aluminum Alloy
• Surface: Anodic Oxidation Treatment
• Colors Available: 2 options
• Application: Mountain Bike Crank Arm

For more information on bicycle maintenance and safety standards, visit the U.S. Consumer Product Safety Commission – Bicycle Safety Guide.

Frequently Asked Questions

Q: What are mountain bike crank arm fixing bolts used for?

A: Mountain bike crank arm fixing bolts (also called crank arm cover screws) secure and cap the crank arm attachment point on your bike's bottom bracket spindle. They keep the crankset firmly in place, prevent dirt and moisture from entering the crank interface, and add a finished, polished look to your drivetrain.

Q: What material are these crank arm bolts made from?

A: These crank arm fixing bolts are made from high-strength aluminum alloy with an anodic oxidation surface treatment. This combination gives them excellent hardness, resistance to corrosion, and a bright, attractive finish that holds up to regular trail use and weather exposure.

Q: Will these bolts fit my mountain bike?

A: These aluminum alloy crank arm fixing bolts are designed to be compatible with most standard mountain bike crank arm configurations. If you are unsure, compare the thread pitch and diameter with your existing hardware or check your bike manufacturer's specifications before ordering.

Q: How many color options are available?

A: These crank arm cover screws are available in 2 color options, allowing you to match or complement your bike's color scheme for a custom, cohesive look.