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Save time and money by using our ready to install DIY bike and trike parts!

made in North America All of our custom parts are proudly made in North America and designed to fit as advertised.
We ship to many international destinations. If your country is not listed, Contact us for more info.
You may purchase parts that are currently out of stock, but your entire order will be shipped at a later date when all parts are in stock. Orders are normally shipped on Fridays.

Trike Axle FreeWheel Adapter Trike Axle Disc Brake Adapter FDAX34 DBAX34 Axle Adapters 2Pack HF3418 Hub Flange Disc

FDAX34 FreeWheel Adapter
Quantity in Cart : 0
Price : $29.65 Each (Reg $32.95)
Status : In Stock


Fits any Shimano style thread-on freewheel and a standard 6 bolt bicycle disc brake rotor. Drilled for a 3/4 inch axle and includes a 1/4 inch axle mounting bolt.

DBAX34 Disc Brake Adapter
Quantity in Cart : 0
Price : $28.75 Each (Reg $31.95)
Status : In Stock


Fits any industry standard 6 bolt bicycle disc brake rotor. Drilled for a 3/4 inch axle and includes a 1/4 inch axle mounting bolt.

FDAX34 & DBAX34 Adapter Set
Quantity in Cart : 0
Price : $49.95 for both
Status : In Stock


This set contains 1 FDAX34 FreeWheel Adapter and 1 DBAX34 Disc Brake Adapter. This set is perfect for trikes or quads requiring dual disc brakes and one drive axle.

HF3418 Hub Flange Disc Set
Quantity in Cart : 0
Price : $15.25 for 4 (Reg $16.95)
Status : In Stock


A set of 4 laser cut steel Hub Flange Discs that are made with 18 spoke holes so that you can build your delta trike wheels directly onto any 3/4" axle using rims with 36 spokes.

HF5818 Hub Flange Disc HF3424 Hub Flange Disc BBRAC Steel Bottom Bracket BBRAC Steel Bottom Bracket

HF5818 Hub Flange Disc Set
Quantity in Cart : 0
Price : $15.25 for 4 (Reg $16.95)
Status : In Stock


A set of 4 laser cut steel Hub Flange Discs that are made with 18 spoke holes so that you can build your delta trike wheels directly onto any 5/8" axle using rims with 36 spokes.

HF3424 Hub Flange Disc Set
Quantity in Cart : 0
Price : $15.25 for 4 (Reg $16.95)
Status : In Stock


A set of 4 laser cut steel Hub Flange Discs that are made with 24 spoke holes so that you can build your delta trike wheels directly onto any 3/4" axle using rims with 48 spokes.

BBRAC Steel Bottom Bracket
Quantity in Cart : 0
Price : $15.25 Each (Reg $16.95)
Status : In Stock


A weld ready bottom bracket shell for your DIY bike or trike project. Fits any standard threaded 3-peice bottom bracket hardware. Bearings and hardware not included.

BBRAC Bottom Bracket 2 Pack
Quantity in Cart : 0
Price : $28.95 For 2
Status : In Stock


This set contains 2 BBRAC Steel Bottom Bracket Shells. This set is great for tandem or multi transmission bikes and trikes.

HTUBE Steel Head Tube HTUBE Steel Head Tube HTUBE Steel Head Tube

HTUBE Steel Head Tube Shell
Quantity in Cart : 0
Price : $13.45 Each (Reg $14.95)
Status : In Stock


A weld ready head tube shell for your DIY bike or trike project. Fits 1-1/8" standard press-fit headset bearing hardware. Bearings and cups not included.

HTUBE Head Tube Shell 2 Pack
Quantity in Cart : 0
Price : $24.95 for 2
Status : In Stock


This set of 2 head tube shells is perfect for tadpole style trikes or vehicles requiring 2 front steering wheels. Weld ready part means less work for you.

HTUBE Head Tube Shell 3 Pack
Quantity in Cart : 0
Price : $35.95 For 3
Status : In Stock


This set of 3 head tube shells is perfect for DIY trikes or vehicles requiring 2 front steering wheels. A 3rd head tube shell can be used for a pilot's steering system.








Liability Disclaimer

Upon purchase, receipt, and/or use, you (the Purchaser) agree to hold harmless Atomic Zombie® Extreme Machines (www.atomiczombie.com) and its owner, directors, and officers, heirs, or employees of any and all product liability. The Purchaser agrees that the aforementioned and will not be held responsible or liable for any consequential, direct or indirect or special loss, injury, or accidents caused by any products that we produce, promote, and/or sell.

As a condition of purchase, receipt and/or use, the purchaser will from the date of purchase, indemnify and hold harmless Atomic Zombie® Extreme Machines, and any entity or individual ever associated with Atomic Zombie® Extreme Machines past or present, including sponsors, licensors, advertisers and suppliers and business associates, from any and all liability, causes of action, claims, demands, costs or debts of any kind or nature, incurred or arising from or out of the Purchaser’s or other’s use of the products, whether bought by the purchaser, his/her heirs, executors or assignees or by third parties.

Accordingly, Atomic Zombie® Extreme Machines expressly disclaims ANY CLAIM OF ANY KIND RELATED TO PRODUCTS LIABILITY AND/OR WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE for the products, it being expressly understood that Atomic Zombie® Extreme Machines shall not be held liable for any claim whatsoever related to any defect, product liability or other related claims for the products produced, manufactured, sold or otherwise distributed by Atomic Zombie® Extreme Machines or any third party.

Terms of use, Warranty & Liability Waiver

ATOMIC ZOMBIE® EXTREME MACHINES offers its products with the terms, conditions and notices as follows:

Terms of use: The products are offered to you conditioned upon your acceptance without modification of the terms, conditions, and notices contained.

Exclusive Obligation: The products have been designed for a specific use of applications. The products may not be used for unlawful purposes and that use is expressly prohibited under the terms and conditions of their use.

Use limitation: You may not copy, distribute, transmit, display, perform, reproduce, publish, license, create derivative works from, transfer, or sell, any information from the ATOMIC ZOMBIE® EXTREME MACHINES website or its products.

No Warranty: The products are not warranted against any manufactured defect from date of purchase.

Guarantees: No guarantees are given or implied to product efficiency, product performance and production or improvement.

Limitation of Liability: In no event shall ATOMIC ZOMBIE® EXTREME MACHINES be liable for any direct, indirect, punitive, incidental, special consequential damages, to property or life, whatsoever arising out of or connected with the use or misuse of its products.

Other Statements: ATOMIC ZOMBIE® EXTREME MACHINES employees or representatives, ORAL OR OTHER WRITTEN STATEMENTS, DO NOT CONSTITUTE WARRANTIES, shall not be relied upon by buyer, and is not part of the contract for sale or this limited warranty.

Entire Obligation: The TERM OF USE, WARRANTY AND DISCLAIMER document states the entire obligation of ATOMIC ZOMBIE® EXTREME MACHINES with respect to the products.

General: This disclaimer statement is governed by the laws of Canada. You hereby consent to the exclusive jurisdiction and venue of the Courts of Canada, in all disputes arising out of or relating to the use of our products. Use of the products is unauthorized in any jurisdiction that does not give effect to all provisions of these terms and conditions, including without limitation this paragraph. If any part of this disclaimer is determined to be invalid, void, unenforceable or illegal, including, but not limited to the warranty disclaimers and liability disclaimers and liability limitations set forth above, then the invalid or unenforceable provision will be deemed superseded by a valid, enforceable provision that most closely matches the intent of the original provision and the remainder of the agreement shall remain in full force and effects.

Modification of Terms and Conditions: ATOMIC ZOMBIE® EXTREME MACHINES reserves the right to change the terms, conditions, and notices under which its products are offered at any time, for any reason with or without prior notice.

Dodging the Rain


Building the Spirit Short Wheel Base Recumbent in a leaky, rotting trailer surrounded by wicked weather. That's dedication!

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Frequently Asked Questions (FAQs)

How much does it cost to build bikes based on Atomic Zombie plans?

That is a very difficult question to answer since it is up to you how much you want to or can spend on components. A homebuilt bike or trike will certainly cost you far less than the same type from a manufacturer. By building it yourself, you will end up with exactly what you want.

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