Shimano BMR1 and BRM2 Di2 External Battery Mount Base
Best reliable mounting solution for external electronic shifting battery setups.
This mount offers a streamlined way to secure an external electronic shifting battery to the frame. Its low-profile design preserves the functionality of existing water bottle bosses, ensuring you don't have to choose between power and hydration.
$47.22
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Who it's for
- Vintage frame owners wanting modern electronic shifting performance
- All-weather commuters and endurance cyclists requiring reliable gear transitions
- Practical mechanics and riders who prioritize easy maintenance and charging
Who should skip it
- Aesthetic-focused cyclists who prefer a streamlined, integrated look
- Modern road racers using the newest electronic drivetrain technology
- Off-road enthusiasts or frequent travelers concerned about component vulnerability
Performance breakdown
Installation Simplicity
Uses standard bottle cage mounts for a quick, frustration-free setup.
Frame Integration
Slim profile maintains a clean aesthetic without cluttering the bike frame.
Accessory Compatibility
Clever design allows simultaneous use of your existing water bottle cage.
Build Durability
Robust construction ensures the battery stays secure over rough road surfaces.
Hardware Completeness
Includes all necessary bolts and washers for an immediate, ready-to-ride installation.
Weight Efficiency
Minimalist footprint keeps added weight to an absolute, negligible minimum.
Key Specs
Mounting Type
Water bottle bosses
Compatibility
Di2 external batteries
Includes
Bracket, bolts, and washers
Component Application Area
Drivetrain
Know before you buy
Still have a question?
Ask Metto anything about the Shimano BMR1 and BRM2 Di2 External Battery Mount Base before you decide.
