Tri-Fin™ Mount

The Ultimate Seat Post Attachment
$39.00 USD
$39.00 USD
The core of our modular system. Our patented Tri-Fin™ Mount keeps your accessories secure in any condition.
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30 Day Returns

2-Year Warranty

Free US shipping

Features
  • Made of Nylon-glass and forged aluminum.
  • Attach and remove accessories instantly.
  • Compatible with PakBrite Carbon Capsule Pro, PakLite Mini, Fender GT/XL.
  • Compatible with cylindrical, D-shaped and AERO seat posts.
  • Patented Tri-Fin Mount quick attach system.

See more product details

What's in the box
  • 1x Tri-Fin mount
  • 2x Cylindrical seat post rubber inserts
  • 2x AERO seat post rubber inserts
  • 1x D-shaped seat post rubber inserts
  • 4x 25mm M3 bolts
  • 4x 35mm M3 bolts
  • 4x 50mm M3 bolts
  • 1x M3 wrench
  • 1x m4 wrench
  • 1x User Manual
Shipping and Returns

All items ship immediately. Orders will be processed within 2-3 days. Returns are accepted within a 30 day return window.

Modular Freedom

Tri-Fin™ in the wild

One Mount to Rule Them All

Quickly Attach Your Gear

The Tri-Fin™ Mount lets you quickly install or remove your Capsule in seconds. No more Velcro straps, or bags that move around when you ride. The capsule stays put, even on the toughest roads.

Stack PakBrite™ Accessories Together

Attach, swap or stack PakBrite™ accessories using a single Tri-Fin™ Mount. Compatible with the Carbon Capsule Pro™, PakLite Mini or Fender GT/XL for easy customization, and all-in-one approach.

Universal Seat Post Compatibility

The Tri-Fin™ Mount was designed to work with every modern seat post. Cylindrcial, AERO and D-shaped seat posts are compatible thanks to the rubberized inserts and varying hardware that comes with every Tri-Fin™ Mount.

Tested Tough

Every PakBrite™ product is put through a gauntlet of rigorous durability tests. Backed by 336 hours (5,000+ miles simulated) + 1,000 miles of real-world testing, the Carbon Capsule Pro™ and Tri-Fin™ Mount remain rock solid.

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Technical Info

  • Weight
  • 3.5 oz (100 g)
  • Material
  • Nylon-glass, forged/machined aluminum
  • Dimensions
  • H: 48mm x W: 48mm x L: 70mm
  • Seat Post Compatibility
  • Cylindrical 25-33mm, Aero, D-shaped
  • Product Compatibility
  • Carbon Capsule Pro, PakLite Mini, Fender GT/XL
Download User Manual Download User Manual