The Blackbearing B3 Bottom Bracket Bearing Kit is specially designed to deliver precision, durability and smooth performance for Truvativ GXP ALT cranksets. Crafted to withstand bottom bracket stresses, it ensures consistent power transfer and long-lasting reliability.
Complete Dual-Bearing Kit: This kit includes two high-quality bearings — 6805-2RS (25x37x7) and MR22237-2RS (22.2x37x7/11.5). Together, they provide the exact fit and balance required for GXP crank systems, ensuring efficient rotation and reduced friction through every pedal stroke.
Optimized for Bottom Bracket Demands: Built to handle the unique loads and lateral forces within bottom bracket assemblies, the B3 bearing set offers exceptional smoothness and resistance to wear. Each bearing is precision-machined to deliver seamless alignment and dependable performance.
Double Sealed for Protection: Both bearings feature a 2RS double-seal design that keeps out moisture, dirt and debris, maintaining clean lubrication and extending bearing life. This ensures quiet operation and reduced maintenance over time.
Developed using premium-grade materials and tested under real cycling conditions, the Blackbearing B3 Bottom Bracket Bearing Kit provides superior efficiency, longevity and a perfectly balanced pedaling experience for Truvativ GXP ALT setups.
Features
- Complete Dual-Bearing Kit: Includes two precision bearings — 6805-2RS (25x37x7) and MR22237-2RS (22.2x37x7/11.5) — for optimal fit and rotation balance.
- Optimized for Bottom Bracket Loads: Engineered to handle axial and lateral forces within GXP systems, ensuring smooth power transfer and minimal drag.
- Durable, High-Quality Construction: Manufactured with premium materials to resist deformation and wear under heavy pedaling conditions.
- Double-Sealed Protection: 2RS seals on both bearings prevent dirt and moisture intrusion, maintaining clean lubrication for extended performance.
- Reliable, Long-Term Operation: Designed and tested to deliver long-lasting smoothness, consistency and durability in real-world cycling conditions.
Specifications
- Product Number: BB-GXPALT-B3
- Seal Type: Double Sealed (2RS)
- Compatibility: Truvativ GXP ALT Cranksets
- Bearing Type: 6805-2RS + MR22237-2RS
- Dimensions: 25x37x7 mm & 22.2x37x7/11.5
- Bearing Inner Diameter: 25 mm | 22.2 mm
- Bearing Outer Diameter: 37 mm | 37mm
- Width: 7 mm | 7/11.5 mm
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 Bottom Bracket Bearing Kit is specially designed to deliver precision, durability and smooth performance for Truvativ GXP ALT cranksets. Crafted to withstand bottom bracket stresses, it ensures consistent power transfer and long-lasting reliability.
Complete Dual-Bearing Kit: This kit includes two high-quality bearings — 6805-2RS (25x37x7) and MR22237-2RS (22.2x37x7/11.5). Together, they provide the exact fit and balance required for GXP crank systems, ensuring efficient rotation and reduced friction through every pedal stroke.
Optimized for Bottom Bracket Demands: Built to handle the unique loads and lateral forces within bottom bracket assemblies, the B3 bearing set offers exceptional smoothness and resistance to wear. Each bearing is precision-machined to deliver seamless alignment and dependable performance.
Double Sealed for Protection: Both bearings feature a 2RS double-seal design that keeps out moisture, dirt and debris, maintaining clean lubrication and extending bearing life. This ensures quiet operation and reduced maintenance over time.
Developed using premium-grade materials and tested under real cycling conditions, the Blackbearing B3 Bottom Bracket Bearing Kit provides superior efficiency, longevity and a perfectly balanced pedaling experience for Truvativ GXP ALT setups.
Features
- Complete Dual-Bearing Kit: Includes two precision bearings — 6805-2RS (25x37x7) and MR22237-2RS (22.2x37x7/11.5) — for optimal fit and rotation balance.
- Optimized for Bottom Bracket Loads: Engineered to handle axial and lateral forces within GXP systems, ensuring smooth power transfer and minimal drag.
- Durable, High-Quality Construction: Manufactured with premium materials to resist deformation and wear under heavy pedaling conditions.
- Double-Sealed Protection: 2RS seals on both bearings prevent dirt and moisture intrusion, maintaining clean lubrication for extended performance.
- Reliable, Long-Term Operation: Designed and tested to deliver long-lasting smoothness, consistency and durability in real-world cycling conditions.
Specifications
- Product Number: BB-GXPALT-B3
- Seal Type: Double Sealed (2RS)
- Compatibility: Truvativ GXP ALT Cranksets
- Bearing Type: 6805-2RS + MR22237-2RS
- Dimensions: 25x37x7 mm & 22.2x37x7/11.5
- Bearing Inner Diameter: 25 mm | 22.2 mm
- Bearing Outer Diameter: 37 mm | 37mm
- Width: 7 mm | 7/11.5 mm
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.