The Blackbearing B3 30407-2RS Bearing 30x40x7mm is built for cyclists seeking smooth, reliable performance in demanding conditions. Designed with intermediate-grade precision, it withstands everyday riding stresses while maintaining consistent rotation and efficiency.
Perfect Fit for DUB Bottom Brackets: Specifically developed to replace original SRAM and Truvativ DUB bottom bracket bearings, the B3 30407-2RS ensures exact compatibility and a secure fit. It restores the original smoothness of your drivetrain and improves long-term reliability.
Double-Sealed for Maximum Protection: Featuring “2RS” double seals, the bearing offers strong protection against water, dust and road debris. The seals preserve internal lubrication, minimizing maintenance and extending service life even in tough riding conditions.
Smooth and Long-Lasting Performance: Pre-lubricated with high-quality grease, the B3 30407-2RS Bearing ensures low friction, quiet operation and efficient energy transfer. Designed and assembled with precision, it is a 100% compatible replacement that delivers durability, smoothness and performance for SRAM/Truvativ DUB systems.
Made from SAE52100 chrome steel, both the balls and rings provide excellent hardness and resistance to wear. The robust chrome steel cage maintains structural stability and helps distribute load evenly for smoother pedaling.
Features
- Perfect Fit for DUB Bottom Brackets: Designed as a direct replacement for SRAM and Truvativ DUB bearings, ensuring precise fitment and restored drivetrain smoothness.
- Premium Chrome Steel Construction: Built with SAE52100 chrome steel balls and rings for exceptional hardness, wear resistance and long-term durability.
- Reinforced Chrome Steel Cage: Ensures stable load distribution and consistent performance under heavy pedaling and variable riding conditions.
- Double-Sealed Protection: Equipped with 2RS seals that prevent water, dust and debris entry while retaining internal lubrication for extended life.
- Pre-Lubricated Smoothness: Factory-filled with premium grease for quiet, efficient rotation and long-lasting performance in all riding environments.
Specifications
- Product Number: UB-30407-B3
- Seal Type: Non-Contact/Non-Contact
- Closure Type: Double Sealed
- Dimensions: 30 x 40 x 7 mm
- Bearing Inner Diameter: 30 mm
- Bearing Outer Diameter: 40 mm
- Depth: 7 mm
- Compatibility: Replacement for original SRAM/Truvativ DUB Bottom Bracket Bearings
MADOVERBIKING (MOB) is not a manufacturer of products that are sold on the website. MOB is only a reseller/retailer/e-tailer selling brand products via distributors.
The warranty is as per the manufacturer and is covered by them.
However, MOB will only facilitate the warranty and claim process and will still ensure that you best utilize your investments and we help solve your queries & defective products as earliest as possible.
The Warranty Policy is different for different brands and is covered by the manufacturer and shall be applicable in the Indian subcontinent only. We have summarized the policies by various brands, and categories.
|
Brand/Category |
Warranty Duration |
|
Electronics |
Standard Brand Warranty*
|
| Maintenance | No warranty |
|
Accessories |
Standard Brand Warranty* |
| Apparels | No warranty unless the product is received in a damaged condition |
| Tires/Tubes | No warranty unless the product is received in a damaged condition |
|
Components |
Standard Brand Warranty* |
Warranty excludes
Brand warranty does not cover Product breakage, scratches, damages caused by accident, mishandling, negligence, shock, tampering and loss of components or accessories, improper use or storage of the product; unauthorized modifications or repairs; or normal wear & tear.
Warranty conditions
- This warranty will automatically terminate on the expiry of the warranty period.
- This warranty is valid only when purchased through madoverbiking.com
- The decision of the company (manufacturer/distributor) the nature of the defects and applicability of the warranty will be final.
- The company (manufacturer/distributor) will, in no event be liable or obligated for the payments/refund of any special incidental or consequential damages
Warranty Requirements
Please ensure all three requirements below are met for us to process your warranty claim:
- Please email/WhatsApp us the pictures of the product to be duly validated to support@madoverbiking.com/ 9315376395 along with the order ID/invoice.
- Serial number is mandatory for Melian products. Without a valid serial no., warranty claims will not be processed
- Pack all the products properly in One single box to avoid any transit-related damage.
- Please send back all accessories received along with the product to avoid any delays in the claim.
Please note that we do not cover return shipping costs for inbound warranty claims.
Standard Brand Warranty* - Warranty not explicitly mentioned by manufacturer, but can be discussed on a case-to-case basis. You may visit their respective website for further details.
We are still adding a lot of products and If you can't find any product, just message us on our whatsapp no. here and we will get it arranged for you
You can also email us at support@madoverbiking.com or call us at 9315376395
The Blackbearing B3 30407-2RS Bearing 30x40x7mm is built for cyclists seeking smooth, reliable performance in demanding conditions. Designed with intermediate-grade precision, it withstands everyday riding stresses while maintaining consistent rotation and efficiency.
Perfect Fit for DUB Bottom Brackets: Specifically developed to replace original SRAM and Truvativ DUB bottom bracket bearings, the B3 30407-2RS ensures exact compatibility and a secure fit. It restores the original smoothness of your drivetrain and improves long-term reliability.
Double-Sealed for Maximum Protection: Featuring “2RS” double seals, the bearing offers strong protection against water, dust and road debris. The seals preserve internal lubrication, minimizing maintenance and extending service life even in tough riding conditions.
Smooth and Long-Lasting Performance: Pre-lubricated with high-quality grease, the B3 30407-2RS Bearing ensures low friction, quiet operation and efficient energy transfer. Designed and assembled with precision, it is a 100% compatible replacement that delivers durability, smoothness and performance for SRAM/Truvativ DUB systems.
Made from SAE52100 chrome steel, both the balls and rings provide excellent hardness and resistance to wear. The robust chrome steel cage maintains structural stability and helps distribute load evenly for smoother pedaling.
Features
- Perfect Fit for DUB Bottom Brackets: Designed as a direct replacement for SRAM and Truvativ DUB bearings, ensuring precise fitment and restored drivetrain smoothness.
- Premium Chrome Steel Construction: Built with SAE52100 chrome steel balls and rings for exceptional hardness, wear resistance and long-term durability.
- Reinforced Chrome Steel Cage: Ensures stable load distribution and consistent performance under heavy pedaling and variable riding conditions.
- Double-Sealed Protection: Equipped with 2RS seals that prevent water, dust and debris entry while retaining internal lubrication for extended life.
- Pre-Lubricated Smoothness: Factory-filled with premium grease for quiet, efficient rotation and long-lasting performance in all riding environments.
Specifications
- Product Number: UB-30407-B3
- Seal Type: Non-Contact/Non-Contact
- Closure Type: Double Sealed
- Dimensions: 30 x 40 x 7 mm
- Bearing Inner Diameter: 30 mm
- Bearing Outer Diameter: 40 mm
- Depth: 7 mm
- Compatibility: Replacement for original SRAM/Truvativ DUB Bottom Bracket Bearings
MADOVERBIKING (MOB) is not a manufacturer of products that are sold on the website. MOB is only a reseller/retailer/e-tailer selling brand products via distributors.
The warranty is as per the manufacturer and is covered by them.
However, MOB will only facilitate the warranty and claim process and will still ensure that you best utilize your investments and we help solve your queries & defective products as earliest as possible.
The Warranty Policy is different for different brands and is covered by the manufacturer and shall be applicable in the Indian subcontinent only. We have summarized the policies by various brands, and categories.
|
Brand/Category |
Warranty Duration |
|
Electronics |
Standard Brand Warranty*
|
| Maintenance | No warranty |
|
Accessories |
Standard Brand Warranty* |
| Apparels | No warranty unless the product is received in a damaged condition |
| Tires/Tubes | No warranty unless the product is received in a damaged condition |
|
Components |
Standard Brand Warranty* |
Warranty excludes
Brand warranty does not cover Product breakage, scratches, damages caused by accident, mishandling, negligence, shock, tampering and loss of components or accessories, improper use or storage of the product; unauthorized modifications or repairs; or normal wear & tear.
Warranty conditions
- This warranty will automatically terminate on the expiry of the warranty period.
- This warranty is valid only when purchased through madoverbiking.com
- The decision of the company (manufacturer/distributor) the nature of the defects and applicability of the warranty will be final.
- The company (manufacturer/distributor) will, in no event be liable or obligated for the payments/refund of any special incidental or consequential damages
Warranty Requirements
Please ensure all three requirements below are met for us to process your warranty claim:
- Please email/WhatsApp us the pictures of the product to be duly validated to support@madoverbiking.com/ 9315376395 along with the order ID/invoice.
- Serial number is mandatory for Melian products. Without a valid serial no., warranty claims will not be processed
- Pack all the products properly in One single box to avoid any transit-related damage.
- Please send back all accessories received along with the product to avoid any delays in the claim.
Please note that we do not cover return shipping costs for inbound warranty claims.
Standard Brand Warranty* - Warranty not explicitly mentioned by manufacturer, but can be discussed on a case-to-case basis. You may visit their respective website for further details.