Kuat Dirtbag - 15mm Fat Bike

The Kuat DRT15P Dirtbag is a bike mount that is specific to fat bikes. You have to have a 15mm thru-axle with142mm or 150mm spacing for this product to work**. It can be mounted to most flat surfaces such as a truck bed, trailer, cargo carrier, garage wall or just a plain old piece of wood. No other parts are need. Just use your bikes fat thru-axle to attach the bike to the mount. Many new fat bikes are coming with 15mm thru-axles, so having one or multiple of these could make your life much easier when it comes to hauling your fat bike.

Availability: In stock




  • Uses your bike’s thru- axel – no extra parts needed
  • Only compatible with fat bikes that have 15-mm, thru-axle front wheel skewers with 142mm or 150mm spacing (Choose from Dropdown Menu Above)
  • Drilling template included
  • Mounts to almost any flat surface, such as trailer, truck bed, cargo carrier or piece of wood

*If you DO NOT have a fat bike and just a standard 15mm thru-axle, you will need the Kuat Dirtbag DRT15

**NOTE: Typical fat bike spacing for 15mm thru-axle is 15mmx142mm. Rock Shox Bluto forks have 15mmx150mm spacing. If you are unsure, please consult your fork manufacturer's tech specs page on their respective website


Write Your Own Review

You're reviewing: Kuat Dirtbag - 15mm Fat Bike

How do you rate this product? *

  1 star 2 stars 3 stars 4 stars 5 stars
Ease of Installation
Quality / Durability
Overall Value


Installation Instructions PDF
Fit Guide

Q & A