Unior Crank Puller With Handle - Red
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Product Information
Full details
The Unior crank puller with handle, in red, is designed for cyclists and mechanics needing to remove various crank types efficiently. Its key benefit is the strong handle providing leverage for quick, easy crank removal, particularly for Shimano Octalink, ISIS, and standard square spindle cranks. A potential caveat is the specific compatibility with these three crank types, requiring confirmation before purchase for other systems.
All features
| Model Part Number | UN624918 |
|---|---|
| Brand | Unior |
Extended Product Information
FAQs
What types of cranks does this puller work with?
This Unior crank puller is designed for Shimano Octalink, ISIS Drive, and standard square taper bottom bracket spindles.
Will this tool work with my Shimano Hollowtech II cranks?
No, this tool is not compatible with Shimano Hollowtech II or other external bearing crankset designs. It is specifically for internal spline and square taper interfaces.
How do I properly use the handle?
The handle provides leverage. Thread the puller into the crank arm, then use the handle to rotate the puller, which pushes the crank off the bottom bracket spindle. Apply steady, increasing pressure.
Is this tool suitable for professional bike shops?
Yes, its durable construction and efficient design make it suitable for regular use in professional workshops.
What maintenance is required?
After use, clean the tool with a dry cloth and store it in a dry place. Periodically inspect the threads for damage and consider light oiling for smooth operation.
Can I use this on aluminum and steel crank arms?
Yes, it is designed to work with both aluminum and steel crank arms that utilize Octalink, ISIS, or square taper spindle interfaces.
What is the color of the crank puller?
The crank puller is red.
Troubleshooting
Crank puller won't thread into crank arm
Ensure you are using the correct tool for the crank type. Check for any debris or damage in the crank's threaded hole. Verify the puller threads are clean and undamaged.
Crank arm remains stuck after applying force
Ensure the puller is fully threaded into the crank. Apply steady, consistent force. If the crank is severely seized, a small amount of penetrating oil applied around the spindle interface may help. Avoid excessive force that could damage the crank.
Difficulty getting sufficient leverage
Make sure the puller is screwed in as far as possible. Ensure the handle is clean and offers a good grip. For very tight cranks, consider using a torque wrench or breaker bar on the handle if space permits and the tool design allows, though this is often not necessary with the integrated handle.
Pros and Cons
Pros
- Quick and efficient crank removal
- Suitable for common crank standards (Octalink, ISIS, square taper)
- Ergonomic handle design for better leverage
- Durable build for long-term use
- High-visibility red color
Cons
- Limited compatibility to specific crank types (Octalink, ISIS, square taper)
- May require significant force on seized cranks
- Not designed for external bearing spindle cranks (e.g., Hollowtech II, DUB)
Setup, Compatibility & Care
Setup:
- Identify the crank spindle type (Shimano Octalink, ISIS, or standard square taper).
- Ensure the crank puller's threaded end is clean.
- Carefully thread the puller into the crank arm's pedal boss by hand. It should thread smoothly. If resistance is met, check for cross-threading.
- Once hand-tight, use the handle to rotate the puller. Apply steady, increasing pressure. The crank arm will eventually disengage from the bottom bracket spindle.
Compatibility:
- Compatible with: Shimano Octalink, ISIS Drive, and standard square taper bottom bracket spindles.
- Not compatible with: Cranks using external bearing systems like Shimano Hollowtech II, SRAM GXP, DUB, or Campagnolo Ultra-Torque/Power-Torque.
Care:
- After each use, wipe the tool clean with a dry cloth to remove grease and debris.
- Store in a dry environment to prevent rust.
- Periodically check the threads for wear or damage. Lightly oiling the threads can help maintain smooth operation.