1. Truck Bed Bike Racks
  2. Kuat
  3. Fork Mount
  4. Bolt On
  5. 15mm Thru-Axle
  6. 1 Bike
Kuat Dirtbag Bike Rack - Fork Mount - Bolt On - 15 mm Thru-Axle Skewer

Kuat Dirtbag Bike Rack - Fork Mount - Bolt On - 15 mm Thru-Axle Skewer

Item # DRT15
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Truck Bed Bike Racks

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This simple, affordable fork-mount bike rack bolts to almost any flat surface and provides a mounting point for 1 bike. The fork block works with bikes that have 15-mm, thru-axle skewers. Comes with drilling template - hardware not included. Lowest Prices for the best truck bed bike racks from Kuat. Kuat Dirtbag Bike Rack - Fork Mount - Bolt On - 15 mm Thru-Axle Skewer part number DRT15 can be ordered online at etrailer.com or call 800-298-8924 for expert service.
  • All Info
  • Reviews (39)
  • Q & A (10)
  • Videos (1)
  • Photos
  • Why etrailer?

Kuat Truck Bed Bike Racks - DRT15

  • Fork Mount
  • Bolt On
  • Kuat
  • 15mm Thru-Axle
  • 1 Bike
  • Compact Trucks
  • Mid Size Trucks
  • Full Size Trucks
  • Locks Not Included

This simple, affordable fork-mount bike rack bolts to almost any flat surface and provides a mounting point for 1 bike. The fork block works with bikes that have 15-mm, thru-axle skewers. Comes with drilling template - hardware not included.


  • Fork-mount bike rack provides simple, economically priced option for carrying 1 bike
    • Works only with bikes that have 15-mm, thru-axle front wheel skewers
    • Accommodates bikes with standard or disc brakes
  • Versatile fork block mounts to almost any flat surface, such as a truck bed, trailer, or cargo carrier
    • Base has 2 holes for easy installation
    • Hardware not included - 1/4" or 6-mm bolts or screws with washers and lock washers recommended
    • Drilling template included
  • Sturdy steel construction with black powder coat finish ensures durability and rust resistance


  • Carrying capacity: 1 bicycle
  • Skewer sleeve length: 100 mm
  • Lifetime warranty

DRT15x100 Kuat Dirt Bag 15-mm Thru-Axle Fork Mount Bike Rack - Bolt On

Replaces DRT15

This Product Fits The Following Vehicles

Video of Kuat Dirtbag Bike Rack - Fork Mount - Bolt On - 15 mm Thru-Axle Skewer

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for Kuat Truck Bed Bike Racks - Thru-Axle Mount - DRT15 Review

Today we're going to be taking a look at the Kuat Dirtbag bike rack, part of our DRT15. This is fork mount bike rack. It's going to provide a simple option for carrying one bike. It's going to work only with bikes that have a fifteen millimeter thru axle front wheel skewer. It will accommodate bikes with standard or disc brakes. Very simple installation, not only getting the Dirtbag mounted to your mounting surface, but also getting your bicycle mounted.

All you'll need to do is remove the front thru axle from the wheel and bike fork, place the bike fork on the Dirtbag, and then slide your axle back through the fork in the Dirtbag and then secure it. Really simple, again, this is going to have a one bike capacity. But when it comes to getting this mounted, it's going to feature the versatile fork block. This is going to mount to almost any flat surface. It's a nice flat design such as a truck bed trailer or cargo carrier. The base is going to have two mounting holes.

These are going to be separated apart from one another on center. Five by two, and five eighth of an inch, you're hardware is not included. It's recommended that you use three eighth of an inch bolts or screws with washers and lock washers. You'll also need nuts or lock nuts. It's going to come with your instructions.

It's going to walk you through how to mount it, how to use it. It's going to provide a drilling template. The Dirtbag is made from a sturdy steel construction with a black powder coat finish to resist rust and corrosion. If you have the measurements, I'm going to need to go over with you real quick. The skewer sleeve length from this point here to this point here, it's going to measure a hundred millimeters.

This is going to be very close to four inches. Overall height, it's going to measure three and three of an inch. Here at the base, that's going to give us a measurement of four and five fifteenth 00:01:43 of an inch by one and three quarters of an inch. Nice, sleek, slanted design. Really makes those nine holes accessible. Kuat's going to cover it with a lifetime warranty. That's going to do it for our review and part of or DRT15. This is the Kuat Dirtbag bike rack.

Customer Reviews

Kuat Dirtbag Bike Rack - Fork Mount - Bolt On - 15 mm Thru-Axle Skewer - DRT15

Average Customer Rating:  4.8 out of 5 stars   (39 Customer Reviews)

This simple, affordable fork-mount bike rack bolts to almost any flat surface and provides a mounting point for 1 bike. The fork block works with bikes that have 15-mm, thru-axle skewers. Comes with drilling template - hardware not included.

- DRT15

Exactly what I needed. Price was great. This bike holder works great on my 29" mountain bike. Shipping was fast. 478559

- DRT15

Rack mounts are what I expected. Vince at etrailer was super helpful. I would order from them again! 166834

- DRT15

Looks better than I thought it would from some of the reviews. Works incredibly well. 187956

- DRT15
2014 Nissan Frontier

Cheap alternative compared to having to buy a 9mm thru axle mount for the utili-track in my Nissan Frontier AND THEN having to buy an adapter for that! For under $10 I bought some parts from a local hardware store and made this mount fit the track. It's sturdy, and high quality. 275706

Im still using it and it still works great. Thank you.
AJ M - 01/06/2018


- DRT15

This is perfect for custom applications. I used this mount on a piece of plywood that fits in the back of my SUV. Simple, basic, exactly what I was after. 317286

Its been through a year of use, 4 times a week average, holding up great and performing like new. Total satisfaction!
Jeff - 11/17/2017


- DRT15

Easy. I made the coolest rack ever. I didn't want to drop $300 and have the the bikes so high up on the roof. I came across these and enough said. best ever. My 1978 VW couldn't be cooler. All my Bus friends are jealous. They dropped the $300-ish, and now want my rack. My son and I bike throughout CO. too cool. Thank you for the product and excellent service. Rocket Rich 305306

We still have the coolest VW bike rack!!
Rocket R - 10/10/2017


- DRT15

I use this in the back of my truck to hold my mountain bike. See attached photo. Works great. Paint starting to chip off around the screw holes. Not a big deal. 609692

- DRT15
Subaru Baja

I originally ordered wrong hub size, my fault. A quick rerun and no issues. Mounted on a 2x4 and placed in the back of my Subaru Baja. Flawless! 658868

- DRT15
2017 Honda Ridgeline

Nice fit and finish. 606801

- DRT15

The DRT15 works great for my through axle mountain bike. I mounted it to a plank, along with my other fork mounting systems, and can easily get the fork on the unit and axle reinserted in no time. Solidly built and well engineered. 604821

- DRT15

Very well designed and quality construction extremely happy with it. Price was very reasonable and shipping was quick. 587736

- DRT15
2015 Pontiac Trans Sport Van

Product is sturdy and works well for bike transport in back on my van. Service was very fast. Certainly would use etrailer again when needed 564186

- DRT15

My Kuat DirtBag Bike Rack Application Nice product 493584

Product working as well as the first day. No problems after 1 year
Daniel - 04/08/2019


- DRT15
Toyota 4Runner

Great product for the price. I bolted the mount to a 2x4 using carriage bolts. Using the rig to haul my mountain bike inside my 4Runner. Using friction tie-downs in combination with the fork mount. Solid. 492145

- DRT15

works, have buy mounting board bolts and etc. Had to add 5/8 washes to pace it out to 115mm fork. no options there. 489039

- DRT15

Simple design and easy to mount. 482037

- DRT15

Product works well, as advertised. Holds bike securely. 479115

Yes I still like the product. It works well and is quality made. Thank you,
Daryl - 02/26/2019


- DRT15
2017 Pontiac Trans Sport Van

I am using this as a base for an interior rack in my Jeep Renegade. This will be mounted to a 2x3 section of fiber board that will fit flat in the rear of the Renegade. The bike fork fits perfectly and this will be a great way to transport my bike safely and securely. The service from etrailer was great too with prompt order delivery and great packaging. I will use etrailer again in the future. 478701

- DRT15

Excellent shipping time and excatly what they advertised 478076

- DRT15

The bike rack was exactly as represented. We can now carry mountain bikes with the thru-axle setup easily and securely. The service was excellent and delivery was prompt. We need to buy a trailer hitch for another bike rack and will certainly use etrailer again. 477724

- DRT15

Simple effective and works well. 475848

- DRT15

Fits perfect 474707

- DRT15

Easy to order and fast, convenient shipping. Excellent product as well. Recommend this product and price point over the competition. 472336

- DRT15

simple and effective, and does what it's supposed to; that's all anything should be. I screwed it to the front top of my truck bed using self tapping screws. 378661

- DRT15
Ford F-250 Super Duty

Works great. I have a F-250 with a tool box in the bed. My axle racks are mount on the tool box lid. Well make. Rating - Excellent 276704

Show More Reviews

Ask the Experts about this Kuat Truck Bed Bike Racks

  • Dimensions of the Kuat Dirt Bag part # DRT15
    I spoke with my contact at Kuat and he informed that the Kuat Dirt Bag part # DRT15 is designed to fit axle sizes that are 15 mm x100 mm. To see more dimensions for this product check out the picture I attached.
    view full answer...
  • Compatibility of Kuat DRT15 Dirtbag Bike Rack with 15 mm x 110 Thru Axle
    The Kuat Dirtbag, part # DRT15 would be compatible with a 15 x 110mm thru axle. I've confirmed this with my Kuat representative. Mounting hardware isn't included, a 6mm or 1/4 inch bolt is recommended.
    view full answer...
  • Can Bike with Thru Axles be used on Thule BedRider Truck Bed Bike Rack
    Thule actually makes a Thru axle adapter for the Thule BedRider part # TH822XTR that you have with the part number # TH535SKR. The base of the Dirtbag part # DRT15 measures 1-3/4 inches by 4-5/16 inches and should not be modified or installed in any way onto your BedRider.
    view full answer...
  • Will the Kuat Dirtbag Fit Saris Traps Triple Track
    You could use the Kuat Dirtbag # DRT15 with the Saris Traps such as # SATRK34-BLK3. You would just need to obtain some hardware locally that is compatible with the Saris Traps.
    view full answer...
  • Will Trek Remedy 7 650b/27.5 Bike Fit Kuat Truck Bed Bike Rack # DRT15
    Yes, your Trek Remedy with 15mm front wheel skewer will fit the Kuat Truck Bed Bike Rack # DRT15 as long as it has a thru-axle type skewer. This rack works with bikes with standard or disc brakes. Please note installation hardware is not included; 1/4-inch or 6mm diameter hardware is recommended. The skewer sleeve length is 100mm so as long as your skewer is not larger than this it will fit your bike.
    view full answer...
  • Will the Kuat Dirtbag Mount A Trek Powerfly 5
    The Kuat Dirtbag Bike Rack # DRT15 requires a 15mm x 100mm axle size. Per the Trek site, the front hub through axle is 15mm on the Powerfly 5 so this will work great for you. From here you would just need to arrange the mounting location and obtain the mounting hardware needed. The video provides some additional details to get you started.
    view full answer...
  • Will the Saris Traps Fork-Block Bike Rack Hold Through Axle Bikes
    Saris Traps Fork-Block # SATRK34-BLK3 is designed to hold bikes with 9mm axles but not through axle bikes but we do have several truck bed bike racks that will accept through axle bikes, see link. One of the more popular options is the Kuat Dirtbag # DRT15. I have included a link to a video of this product for you.
    view full answer...
  • Fork Mounted Bike Rack for 15 mm Thru Axle Yeti SB5c
    From the research I did it looks like the Fox 34 Fload forks you have on your 2015 Yeti SB5c (nice bike BTW), use a 15 mm thru axle. The # SATRK33 would not work with the 15 mm axles, it only works with 9 mm axles. The closest thing to this rack that I could recommend would be to use the part # DRT15 mounted on a board so that you could store your bike(s) in the back of your SUV.
    view full answer...
  • Will the Saris Traps Fork-Block Bike Carrier Base Part # SATRK33 Accept Other Racks
    The Saris Traps Fork-Block Bike Carrier Base part # SATRK33 and the Kuat Dirtbag Bike Rack part # DRT15 have not been tested to work with one another as they are two different brands. However, after reviewing both the rack and board it does appear they will work as the rack designed for the board is very similar to the Dirtbag. Again they have not been tested together so I cannot confirm fitment but the chances are high that they will.
    view full answer...
  • Ways to Transport 4 Bikes in a 2005 Toyota Tundra Double Cab
    We offer several types of bike carrier solutions for use in your 2005 Toyota Tundra Double Cab. These include fork-mount, frame-mount, wheel-mount and the tailgate pad type. All can be seen on the link provided. Since you need at least one for a 15mm through axle you can click on that feature in the filters to see compatible carriers. Topline offers a 4-bike truck bed carrier, part # UG2500-4, that mounts to your truck without any drilling and which holds 4 bikes either at the frame...
    view full answer...

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Info for this part was:

Expert Research:
Mike L
Expert Research:
Michael H
Expert Research:
Jameson C
Written by:
Tyler C
Installed by:
Cole B
Updated by:
Sarah W
Updated by:
Matthew S

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