Description
The Crank Bolt w/ Flange is a small but essential piece of schwinn airdyne bike parts, securing the crank arm to the bottom bracket shaft on Schwinn indoor cycles. Designed for the Schwinn Airdyne Evolution pedal system, this hardware helps keep your drive components tight, aligned, and ready for smooth pedaling.
- Fits Schwinn Airdyne Evolution Pro/Comp bikes in the pedal drive and fan assembly.
- Used as a pedal drive & fan assy parts crank bolt for crank arm attachment on square-shaft bottom bracket setups.
- Replaces OEM/reference numbers 91750, 58036101, 58036-101, and PPP000000058036101.
- Typically installed one per side; many bikes require two bolts per machine for left and right crank arms.
This schwinn crank bolt w/ flange is a direct-fit replacement fastener made for applications where the crank arm mounts to a square shaft bottom bracket. The integrated flange helps distribute clamping force more evenly than a standard bolt, supporting a secure fit and reducing the chance of looseness during use. It is an OEM-style replacement suitable for restoring worn, missing, or damaged original hardware. Installation is generally straightforward for most DIY repairs, but proper torque is important to avoid crank or shaft damage and to maintain safe operation.
OEM-quality replacement hardware with easy DIY installation, and ships same day from our warehouse.
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