Apidura Dropper Post Collar/Adapter (for Backcountry Saddle Packs)
Best stability solution for mountain bikers using dropper posts with saddle packs.
This simple collar solves the age-old problem of saddle packs rubbing against dropper posts by creating a dedicated, stable anchor point. You sacrifice a small amount of total seatpost travel, but in exchange, you gain peace of mind knowing your expensive gear and dropper mechanism are protected from friction damage.
$45.00
Who it's for
- Bikepackers needing dropper post compatibility for large saddle bags
- Riders seeking a stable, sway-free setup on technical terrain
- Cyclists wanting to protect expensive dropper stanchions from abrasion
Who should skip it
- Users relying on saddle packs from other manufacturers
- Weight-conscious riders avoiding extra gear and added costs
- Cyclists with limited seat post clearance or complex frame geometries
Performance breakdown
Dropper Protection
Effectively prevents bag-to-tire contact by limiting post travel during compression.
Installation Simplicity
A single 3mm hex bolt makes setup quick and frustration-free.
Compatibility Range
Included shims cover the three most common mountain bike post diameters.
Stability Under Load
Ridged strap retainer keeps heavy saddle packs from swaying on trails.
Build Durability
Robust construction withstands the harsh vibrations of aggressive off-road riding.
Versatility
Works seamlessly with any bag utilizing standard 25mm seat post straps.
Key Specs
Designed to work with MTB dropper posts with a 25mm or 26mm upper section diameter
Injection moulded glass-reinforced nylon for durability
Silicone shim for a secure fit
Dimensions
4.5 x 4.8 x 3.5cm
Weight
53g
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