AxleFit - Axle Spacer Mock-Up Kit

Take the guesswork out of custom motorcycle builds. The AxleFit Mock-Up Kit includes precision 3D-printed spacers ranging from ¼" to 2" in ⅛" increments, giving you every size you need to quickly mock up your wheel spacing without wasting time or money on the wrong parts.

Made from durable PETG filament, these lightweight mock-up spacers let you dial in the perfect fit before ordering your final hardware. Whether you’re building from scratch or fine-tuning a custom project, AxleFit saves you time, money and frustration during the building proccess.

Choose the kit that matches your project:

Kit Options:

• ¾” Axle Kit – 15 sizes, 2 of each (30 total)

• 1” Axle Kit – 15 sizes, 2 of each (30 total)

• 25mm Axle Kit – 15 sizes, 2 of each (30 total)

Sizes Included:

• 15 spacers ranging from ¼" to 2" in ⅛" increments

• Each size comes with 2 spacers for a total of 30 per kit

Why AxleFit?
✔ Eliminate trial-and-error with wheel spacing
✔ Save money by avoiding waste
✔ Speed up your mock-up process
✔ Durable, reusable PETG construction

AxleFit Builder’s Duo – Any 2 Kits – Save $10

Get more options for your custom build with the AxleFit Builder’s Duo. This bundle includes two full mock-up kits of your choice (¾", 1", or 25mm), giving you the flexibility to cover multiple axle sizes.

Each kit comes with 30 precision 3D-printed spacers (15 sizes, 2 of each) made from durable PETG filament — that’s 60 spacers total to speed up your fitment process, eliminate trial and error, and save money before ordering permanent hardware.

✔ Choose any two kits
✔ 60 total spacers (15 sizes × 2 per kit × 2 kits)
✔ Perfect for builders working across multiple axle sizes
💰 Price: $120

AxleFit Builder’s Trio – All 3 Kits – Save $45

Go all-in with the AxleFit Builder’s Trio, the complete bundle that includes all three axle kits: ¾", 1", and 25mm.

With 90 total precision 3D-printed spacers (15 sizes, 2 of each per kit), you’ll have every option on hand for any mock-up job. Built from tough PETG filament, these spacers are reusable, reliable, and designed to make your workflow faster and more accurate.

✔ Includes all 3 kits (¾", 1", 25mm)
✔ 90 total spacers (15 sizes × 2 per kit × 3 kits)
✔ The ultimate solution for professional builders and fabricators
💰 Price: $150