FSA CK746-2 ISIS-Compatible E-Bike Crankset – 170mm Length, Matte Black Finish

Description

Product Description:
The FSA CK746‑2 crank arm set is designed specifically for e‑bikes using an ISIS‑drive motor spindle, including systems from Yamaha, Brose, Fazua, and Polini. Built from forged AL6061/T6 aluminum with clean two‑tone laser‑etched graphics, these arms deliver strength, stiffness, and reliable power transfer for high‑torque e‑bike applications.
These are brand new OEM, never installed, never ridden, and not in retail packaging.
Sale includes left and right crank arms only — bolts not included.
Key Features:
• Brand: FSA
• Model: CK‑746‑2
• Arm Length: 170mm
• Spindle Type: ISIS
• Material: Forged AL6061/T6 aluminum
• Color: Black
• Weight: 534g (pair)
• Graphics: Two‑tone laser‑etched
• Condition: New OEM, never installed
• Includes: Left and right crank arms (no bolts)
• Item Number: #9687
• MSRP: $79.99
Fitment Details:
• Compatible with e‑bikes using ISIS‑drive motor systems
• Works with:
• Yamaha
• Brose
• Fazua
• Polini
• Not compatible with standard bicycle bottom brackets
• Designed for 1× e‑bike drivetrains
Performance Features:
• Forged AL6061/T6 construction for strength and durability
• ISIS interface provides secure, stable power transfer
• Clean two‑tone graphics for a modern OEM look
• Ideal for replacing worn or damaged e‑bike crank arms

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