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Bicycle Wheel Fork Axle 15mm Front Thru Axle to 12mm Thru Axle Fork Adapter

Free shipping on orders over $29.99

$14.95

$ 7 .99 $7.99

In Stock
  • Material: Aluminium Alloy
  • This thru axle adaptor allows a bike wheel with a 15mm thru axle hub to be installed on a standard 12mm thru axle forks
  • It is simple to install ,no need other tools, the adapter slips in the hub just like the 15mm thru axle would
  • Anodized Finished
  • Durable,lightweight approx 16g


Color: black
Material :aluminum-alloy
Weight: approx 16g
Package Height :0.79 x 2.95 x 7.87 inches


Internal Will
2025-08-03 10:44:53
I have an older used wheelset that has 15x100 thru-axle in the front. I bought a new bike that uses a fork with 12x100 thru-axle. I know that these wheelset can be converted with end-caps adapter, but I didn’t feel like researching which model this was and find the correct end-cap adapter. I had read about something like this, so I figured I’d give it a try.It does work as advertised and easy to put on and it is a snug fit. Make sure it’s lightly greased before you install it. To take off, you just need a bit of a push from one side and it will slide out. I don’t know how well this will hold up. I’ll update the review later.
john koslosky
2025-07-27 18:32:07
Used to convert my older 15 mm through axle MTB front wheel for use on my new gravel bike that has a 12 mm through axle fork. Note- it has to be a non “boost” front wheel. 12 mm through axle forks are 100 mm wide, So a this axle will not convert a boost (110mm wide) Front wheel with a 15 mm through axle down to 12 mm. For nonboost 15 mm hubs though it’s a winner. Really nice finish and really good tolerances. There is no slopp between this conversion piece and my hub. There is also no slop or looseness between the conversion peace in my 12 mm through axle. Surprisingly well-made and surprisingly low price. Highly recommended.
Stettler
2025-06-22 14:42:38
I wanted to use an Easton Haven MTB wheel for my gravel bike. This adapter solved one problem—fitting the hub to the 12 mm thruaxle. Unfortunatelym it was not plug-and-play, because the hub outer diameter was 21 mm, while the road fork dropout is 19 mm. I was able to cut down the hub on a lathe to make it fit. Easton used to sell a conversion kit, but they no longer support old model hubs. :(
Trusted reviewer
2025-06-06 13:56:00
Good alternative to replacing end caps. Worked fine in DT Swiss 350 hub in a Niner fork.
derosa
2025-04-24 17:55:55
Basically this is one of those items that just works and gets 5 stars or its a total screw up and gets 1. A little light lube and the adapter slid right into a new xt m8000 front hub. It was easy enough that I could push it through with the palm of my hand but tight enough that I needed a small bar to help push it back out, so snug. Skewer fit right in with no rattling so it'll keep the wheel right where it needs to be.
Mark Schroeder
2025-03-29 15:37:47
Product was exactly as described; a sleeve to allow a wheel with a 15mm thru axle bore to be used with a 12mm thru axle. Dimensionally correct in all ways for use on my road bike with standard 100mm spacing.
EIEIO
2025-01-17 17:49:48
The Disc Trucker fork has guides for a 12mm axle. So, even though this does convert the inside diameter to 12mm, the hub end caps still get in the way.I suspect this will affect most steel forks but maybe not carbon fiber.My advise is to check that your 15mm hub fits inside the dropouts before buying this
Customer
2024-12-15 18:59:10
Fit was perfect and worked well for my bike rack.