Universal Bike Seat Post Clamp Rack Mount Adapter 25 To 38mm For Rear Rack Installation Heavy Duty 25 Kg Load Replaces Braze Ons Universal Strap Mount Fits Round Oval And Irregular Seat Posts Compatible With Most Carriers

Universal bike seatpost clamp rack adapter 25-38 mm (single)
✔️ Fits 25-38 mm seat posts (round, oval, irregular) with secure grip

Attach this seatpost clamp rack adapter to bikes lacking seat stay braze-ons, enabling a rear rack mount for commuting, touring, or everyday hauling. It works with round, oval, and irregular seat posts and supports a wide range of racks.

✅ Fits seat posts 25-38 mm (1"-1.5") diameter for round, oval, or irregular posts.
✅ Maximum load up to 25 kg (55 lb) for stable, fully loaded racks.
✅ Universal strap mount with anti-slip pads to protect frame.
✅ Extender adds 55.2 mm (2.17") clearance for heel space and pannier fit.
✅ Compatible with Ibera PakRak and many rear racks for retrofits.

💡 What is a seatpost clamp rack adapter used for? This handy device lets you add a rear carrier to bikes without seat stay braze-ons.
- Securely attaches to 25-38 mm seat posts (round, oval, irregular shapes)
- Supports up to 25 kg (55 lb) for commuting or touring gear
- Works with Ibera PakRak and many rear racks for retrofits
- Adds 55.2 mm (2.17") of heel clearance for larger frames