Left Crank Arm, ISIS – AC Classic

Description

The Left Crank Arm, ISIS – AC Classic is a replacement schwinn ac parts component designed to restore smooth, secure pedal motion on select Schwinn indoor cycles. Made for the AC Classic platform, this left-side crank arm mounts to an ISIS bottom bracket interface and helps bring your bike back to reliable training performance.

• Fits select Schwinn AC Classic indoor cycling bikes using an ISIS crank interface.
• Compatible with left-side crank applications on AC Classic series bikes found in commercial studios and training rooms.
• Replaces Schwinn / StairMaster part number 002-2780, commonly referenced as the ac classic left crank arm isis ac classic replacement.
• Designed specifically for the left pedal side; verify your original part number and crank interface before ordering.

This replacement crank arm is built for proper fit and dependable power transfer, helping reduce looseness, wobble, or wear caused by a damaged original arm. The forged metal construction is intended for repeated commercial-style use, while the ISIS spindle connection provides a strong, centered attachment to the bike’s drivetrain. This part is sold as the left crank arm only; pedal, fixing hardware, and other drivetrain components are not included unless otherwise noted. Installation is generally straightforward for technicians or experienced DIY users with the correct crank puller and bike service tools. If you are searching for a schwinn left crank arm isis ac classic, this part is made for that exact application.

Count on an OEM-quality replacement with easy fitment for your Schwinn AC Classic bike. Ships same day from our warehouse.