Brompton Folding Bike Seatpost Mount for GoPro & Garmin

Brompton Folding Bike Seatpost Camera & Computer Mount

Upgrade your Brompton folding bike setup with this precision-engineered aluminum alloy seatpost mount. Designed to fit Brompton seatposts seamlessly, this versatile bracket holds your GoPro action camera or Garmin Edge series bike computer securely in place — so you can focus on the ride, not your gear.

Key Features

• Brompton-Specific Fit: Engineered exclusively for Brompton folding bike seatpost geometry, ensuring a snug, rattle-free attachment every time.
• Dual-Device Compatibility: Works with GoPro action camera series and Garmin Edge bike computer series — two of the most popular cycling accessories on the market.
• Aerospace-Grade Aluminum Alloy: Built from high-strength aluminum alloy for a lightweight yet rock-solid hold, even on rough roads or cobblestones.
• Tool-Free Quick Release: The intuitive quick-release mechanism lets you attach or remove the mount in seconds — no tools, no fuss.
• Aerodynamic Streamlined Design: Sleek low-profile shape minimizes wind drag and keeps your bike looking clean and purposeful.
• Wide Seatpost Compatibility: Fits seatpost diameters from 27.2 mm to 31.6 mm, covering most standard and oversized seatpost sizes.

Specifications

What's in the Box

• 1 × Seatpost Mount Main Body

Also Great for Cyclists

If you love optimizing your ride, check out these other great accessories in our store:

• "1% Better Every Day" Motivational Canvas Wall Art Print — keep your training mindset sharp at home.
• "Best Seat In The House" Retro Quote Canvas Wall Art Print — a fun nod to your favorite saddle.

For more information on safe cycling practices and equipment guidelines, visit the U.S. Consumer Product Safety Commission Bicycle Safety resource.

Learn more: Bicycle parking rack

Frequently Asked Questions

Q: Is this seatpost mount compatible with all Brompton folding bike models?

A: Yes — this Brompton folding bike seatpost mount is designed to fit the standard Brompton seatpost structure and accommodates seatpost diameters from 27.2 mm to 31.6 mm, making it compatible with the vast majority of Brompton models.

Q: Can I use this bracket with a GoPro and a Garmin Edge at the same time?

A: This mount is designed to hold one device at a time — either a GoPro action camera or a Garmin Edge bike computer. Swapping between devices is quick and easy thanks to the tool-free quick-release mechanism.

Q: Will the mount stay secure on rough roads or during spirited riding?

A: Absolutely. Constructed from aerospace-grade aluminum alloy, the mount delivers exceptional rigidity and vibration resistance, ensuring your camera or bike computer stays firmly in place even on uneven surfaces.

Q: Do I need any tools to install or remove this seatpost mount?

A: No tools are required. The quick-release design allows for fast, hassle-free installation and removal by hand in just a few seconds.