SHIMANO FC-MX70 Crank Arm Fixing Bolt

The SHIMANO FC-MX70 Crank Arm Fixing Bolt is a genuine replacement part designed for reliable crank arm installation and secure performance on Shimano DXR cranksets. Engineered specifically for compatibility with Shimano FC-MX70 and FC-MX71 cranksets, this fixing bolt helps maintain proper crank arm alignment while ensuring a tight and stable connection during aggressive riding conditions. Built with Shimano’s trusted quality standards, it also helps seal the left crank arm assembly for improved durability and protection against dirt and moisture. Whether you are replacing a worn-out fixing bolt or servicing your drivetrain, this compact but essential component delivers dependable performance and easy installation. Ideal for BMX riders, mechanics, and cycling enthusiasts looking for an original Shimano spare part for long-lasting crankset performance and maintenance reliability.

Key Features

• Brand: Shimano

• Product Type: Crank Arm Fixing Bolt

• Compatibility: Shimano DXR FC-MX70 & FC-MX71 cranksets

• Function: Secures and seals the left crank arm

• Material: Durable high-quality metal construction

• Installation: Easy direct replacement design

• Performance: Provides secure crank arm fastening

• Durability: Resistant to regular wear and riding stress

• Usage: Ideal for BMX and performance bike cranksets

Product Specifications

• Model: FC-MX70 Crank Arm Fixing Bolt

• Compatible Cranksets: Shimano FC-MX70, FC-MX71

• Position: Left crank arm

• Application: Crank arm assembly and sealing

• Type: Genuine Shimano replacement part

• Intended Use: BMX / cycling drivetrain maintenance

Build Quality & Reliability

The SHIMANO FC-MX70 Crank Arm Fixing Bolt is manufactured to meet Shimano’s precise engineering standards, ensuring a secure fit and dependable performance. Its durable metal construction is designed to withstand repeated tightening, vibration, and demanding riding conditions. The bolt also helps maintain crank stability and protects the crank interface from dust and moisture, contributing to smoother drivetrain operation and longer component life.

Easy Operation / Usage

• Remove the old or damaged fixing bolt carefully

• Align the left crank arm properly before installation

• Install the Shimano fixing bolt securely using the correct tool

• Tighten according to Shimano recommended torque settings

• Check crank arm stability before riding

Why Choose This Product

• Genuine Shimano replacement component

• Perfect fit for DXR FC-MX70 and FC-MX71 cranksets

• Ensures safe and secure crank arm installation

• Helps improve drivetrain reliability and durability

• Easy to install and maintain

• Trusted Shimano engineering and quality

In the Box

• 1 x SHIMANO FC-MX70 Crank Arm Fixing Bolt