48T Chainring Crank Arm Pedals & Tools 4-in-1 Kit for Greatwork M8 / M8 Pro / M7 / M7 Pro

Overview

The GREATWORK 48T Chainring & Crankset Replacement Kit is a complete drivetrain maintenance solution designed for the specified GREATWORK M8 Pro electric bike.

This all-in-one kit includes a 48T chainring assembly, both left and right crank arms, a pair of pedals, and four essential installation tools.

Ideal for replacing worn or damaged crankset components, this convenient package provides the main parts and tools needed for drivetrain maintenance.

Product Features

48T Chainring with Protective Guard

• 48-tooth chainring designed for the specified GREATWORK drivetrain

• Durable black metal construction

• Protective chainring guard

• Suitable for drivetrain replacement and maintenance

Complete Left & Right Crankset

• Includes both left and right crank arms

• Right crank arm comes attached to the chainring assembly

• Left crank arm is supplied separately

• Designed for the corresponding crank mounting configuration

Left & Right Pedal Set

• Includes 2 pedals (1 left + 1 right)

• Black anti-slip pedal surfaces

• Built-in side reflectors

• Clearly identify left and right pedals before installation

Package Includes

Crankset Components

• 1 × 48T Chainring Assembly with Right Crank Arm

• 1 × Left Crank Arm

• 2 × Pedals (Left & Right)

Installation Tools — 4 Pieces

1. 1 × Crank Puller / Crank Removal Tool

   • For removing the crank arms from the bottom bracket spindle

   • Approximate dimensions: 70 × 21mm

2. 1 × 12/14mm Double Open-End Wrench

   • Dual-ended wrench with 12mm and 14mm openings

   • For applicable nuts and fasteners

3. 1 × 13/15mm Double Open-End Wrench

   • Dual-ended wrench with 13mm and 15mm openings

   • Suitable for applicable bicycle assembly and maintenance tasks

4. 1 × 8mm Long Ball-End Hex Key

   • L-shaped hex wrench

   • 8mm size

   • Extended design for improved reach during maintenance

Total Package: 1 Complete Crankset Assembly + 2 Pedals + 4 Installation Tools

Compatibility Notice

Designed for the GREATWORK M8 Pro Electric Bike with the corresponding 48T chainring and crankset configuration.

This kit is intended specifically for the designated GREATWORK model. It is not advertised as a universal replacement kit for other bicycle brands or models.

Please confirm your existing crankset and bottom bracket mounting specifications before purchasing.

Installation Notice

1. Turn off the electric bike before starting maintenance.

2. Remove the existing pedals and crank arms using the appropriate tools.

3. Install the replacement 48T chainring assembly and left crank arm.

4. Attach the left and right pedals to their corresponding sides.

5. Ensure all components are correctly aligned and securely tightened before riding.

Important: Left and right pedals use different thread directions. Incorrect installation may damage the crank arm threads.

Professional installation is recommended for customers unfamiliar with bicycle drivetrain maintenance.