



Bosch Lock Ring
- Free domestic Canada ground shipping (except territories) on orders over $99.00.
- Free Contiguous US ground shipping on orders over $99.00.
- International shipping options available at checkout.
- Expedited shipping options available at checkout.
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Find a lower price in a store or online from a manufacturer's authorized Canadian or US retailer on an identical, in-stock product? We'll match it and offer an additional 10% off the difference.
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Product Details
Bosch Lockrings – For Bosch-Powered Electric Bikes
Ensure a secure and reliable fit for your Bosch eBike drivetrain with genuine Bosch lockrings, engineered to firmly hold your chainring in place. Designed specifically for Bosch-powered electric bikes, these precision-machined alloy lockrings are essential for proper chainring installation and optimal drivetrain performance.
Whether you're performing routine maintenance or replacing components, using the correct Bosch lockring ensures smooth operation and long-term reliability.
Key Features:
- Secure Fit: Locks the sprocket firmly to the Bosch motor, preventing movement and maintaining consistent power transfer.
- Durable Construction: Made from high-quality alloy for strength and dependable performance in all riding conditions.
- Correct Installation Required: Must be installed using a Bosch Lock Ring Tool and torqued to the setting marked on the lockring.
- O-Ring Seal Maintenance: Always replace the lock ring O-ring seal with each installation or removal to preserve a tight, weather-resistant seal.
- Easy Part Matching: The correct Bosch lockring part number is printed on your existing chainring, simply match that number using the dropdown menu above to ensure proper fitment.
Compatibility:
- Available for various Bosch motor generations including Gen 2, Gen 3, and Gen 4 etc...
- Designed exclusively for Bosch eBike systems and not compatible with non-Bosch motors.
Note: If you’re unsure of your motor generation, refer to your Bosch system documentation or consult a certified Bosch eBike technician.
Keep your Bosch eBike running at peak performance with the right lockring—an essential component for every drivetrain service.

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FAQ
Find answers to the most common questions here.
How long will it take to get my orders?
Delivery times vary depending on your location. Typically, orders processed within this region arrive within 1-7 business days. For overseas deliveries, the duration is longer and can range from 3-10 days, depending on the chosen shipping method. You will receive specific delivery details in your confirmation email.
Do you ship overseas?
Our products can be shipped to numerous countries around the globe. If you are placing an order from outside of Canada or the Contiguous US, please note that there may be additional shipping costs which will be calculated and added during the checkout process.
How fast is shipping?
Orders are typically processed within 1-2 business days. Once shipped, transit times usually range from 1-8 business days. At checkout, you have the option to choose expedited shipping for an additional fee. For more details, please refer to our shipping policy here.
What is your return policy?
We totally get it if you have a change of heart. That's why we offer hassle-free returns on most of our items. Check out our returns policy for more details and guidelines.
Which payment methods do you accept?
We offer a diverse range of payment methods to accommodate your preferences, including Visa, Mastercard, Shop Pay, PayPal, Google Pay, and Apple Pay.
Additionally, we are delighted to provide Sezzle's interest-free payment options and affordable financing choices through RBC PayPlan® (available to residents of Canada only).