Old Man Mountain Seatpost Clamp Mount – One Size Fits All
Add versatility to your rack setup with the Old Man Mountain Seatpost Clamp Mount — a clever solution for bikes without traditional rack eyelets or seatstay mounts. Designed for seamless compatibility with all Old Man Mountain racks, it provides a strong, secure upper attachment point for almost any bike.
Why you’ll love it
Universal fit: Works with most seatposts (27.2 mm to 31.8 mm).
Compatible with all Old Man Mountain racks: Ideal for Divide, Elkhorn, and other models.
Precision-machined aluminium: Lightweight, durable, and built for rough adventures.
Secure mounting: Keeps your rack stable even under heavy loads.
Easy installation: Mounts quickly with included hardware — no frame eyelets required.
Perfect for modern gravel, carbon, and full-suspension bikes where traditional rack mounts aren’t an option — a rugged upgrade for riders who want to carry more, anywhere.
A good test ride is the most important factor when it comes to finding the right bike.
Available for Electric Bikes only and subject to availability.