Specialized Di2 Battery Seatpost Mount
Best secure mounting solution for road cyclists using electronic shifting systems
This mount offers a clean, secure way to house electronic shifting batteries inside round seatposts. It eliminates external clutter, protecting the power source while maintaining the bike's aerodynamic profile and sleek aesthetic.
$11.99
More Di2 Battery Mount options
Who it's for
- Cyclists seeking a clean aesthetic and silent ride quality
- Home mechanics looking for a straightforward assembly process
- Weight-conscious riders prioritizing performance and efficiency
Who should skip it
- Riders using non-Specialized frames or aftermarket seatposts
- Long-term owners who frequently disassemble their bikes for travel
- Users of SRAM eTap or older external battery configurations
Performance breakdown
Vibration dampening
Firm retention keeps the battery silent over rough road surfaces.
Installation simplicity
Straightforward design makes internal battery mounting a quick, frustration-free task.
Frame compatibility
Perfectly tailored for specific Specialized frames but lacks universal seatpost versatility.
Build durability
Robust materials withstand the rigors of long-term internal frame placement.
Aesthetic integration
Hidden mounting preserves the clean lines of high-performance road builds.
Battery security
Snug fit prevents shifting or rattling during aggressive riding efforts.
Key Specs
Compatibility
Specialized Aethos, Roubaix, and Tarmac SL6
Mounting Type
Internal seatpost
Component Application
Di2 electronic shifting battery
Part Type
Battery Mount
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