E-Bike Lockring/Spider Removal Tools - Cyclus Tools - 720209
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www.sprocketandgear.co.ukCyclus Tools Cyclus Bosch Gen 3 + 4 E-Bike Drive Unit Lock Ring Tool
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Product Information
Full details
This guide is for e-bike mechanics and enthusiasts working on Bosch Active and Performance Line e-bike motors (Gen 3 & 4). The Cyclus Tools 720209 tool provides a secure and durable method for removing and installing locknuts and spiders, essential for motor maintenance. A key caveat is the need for additional tools like a crank puller and appropriate torque wrench for safe operation.
All features
| Model Part Number | 720209 |
|---|---|
| Brand | Cyclus Tools |
Extended Product Information
FAQs
What Bosch motor generations is this tool compatible with?
This tool is compatible with Bosch e-bike motor Generation 3 and Generation 4 units, including models like Active Line, Active Line Plus, Performance Line Cruise, Cargo Line, Performance Line Speed, and Performance Line CX.
What tools do I need besides the lockring tool?
You will typically need a crank puller to remove the crank arm first. For tightening, a calibrated torque wrench is essential. A 32mm wrench or a 3/8" drive tool holder is also required if not using the snap.in tool holder.
Can I use this tool on other e-bike brands?
No, this tool is specifically designed for Bosch e-bike motors with lockring/spider designs compatible with its 43mm outer diameter and tooth profile.
How do I ensure I don't damage the motor when using this tool?
Always ensure the tool is fully seated. Use steady force and never 'shock' the tool. Most importantly, always adhere to the manufacturer's specified torque settings when tightening components.
What is the outer diameter of this tool?
The outer diameter of the Cyclus Tools 720209 tool measures 43mm.
How should I clean and maintain this tool?
Clean the tool with a dry or slightly damp cloth after use to remove grease and dirt. Store it in a dry environment to prevent corrosion. Regularly inspect the teeth for wear.
Troubleshooting
Tool slips on the lockring/spider.
Ensure the tool is fully seated and engaged with all teeth. Verify you are using the correct tool for your specific Bosch motor generation. Clean any debris from the lockring and the tool's teeth.
Difficulty removing a very tight lockring/spider.
Ensure you are turning in the correct direction (typically counter-clockwise for removal). Apply steady, increasing force. Double-check that the crank arm has been fully removed, as it can interfere. Consider using a penetrating lubricant on the threads (allow time to work) if permitted by motor manufacturer guidelines.
Tool teeth appear damaged or worn.
Cease use immediately. Damaged teeth can compromise grip and lead to component damage. Inspect the lockring/spider for damage as well. Replace the Cyclus Tools 720209 tool.
Pros and Cons
Pros
- Heavy-duty construction for high torque applications.
- Specifically designed for common Bosch e-bike motor generations.
- Offers multiple drive options (wrench, 3/8" drive, tool holder).
- Professional-grade tool for reliable maintenance.
- Facilitates crucial motor access for repairs and servicing.
Cons
- Requires additional tools like a crank puller and torque wrench.
- Specific to Bosch motors; not universally compatible with all e-bike systems.
- May require significant force, potentially leading to user fatigue.
- Proper understanding of torque specifications is crucial to avoid damage.
Setup, Compatibility & Care
Compatibility: This tool is compatible with Bosch e-bike motors, specifically Generation 3 and Generation 4 units across various product lines including Active Line (BDU310), Active Line Plus (BDU350), Performance Line Cruise (BDU365), Cargo Line Cruise (BDU450 CX), Cargo Line Speed (BDU490 P), Performance Line Speed (BDU490P), and Performance Line CX (BDU450 CX).
Setup & Use:
- Ensure the e-bike is powered off and the battery removed for safety.
- You will likely need a crank puller to remove the crank arm first.
- Select the appropriate drive method: a 32mm wrench, a 3/8" drive socket, or the snap.in tool holder (art. 7202750).
- Fit the tool securely onto the lockring or spider.
- Apply firm, steady pressure to loosen or tighten the component. For removal, turn counter-clockwise; for installation, turn clockwise.
- Crucially, when tightening, always use a torque wrench to achieve the manufacturer's specified torque values to prevent damage.
Care:
- After each use, clean the tool with a dry or slightly damp cloth to remove any grease or debris.
- Store the tool in a dry place to prevent rust.
- Inspect the teeth regularly for any signs of wear or damage. If teeth appear worn, the tool should be replaced.