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1_1/8 Engine Mount or 1.125"
Engine Mount 1-1/8" (Authentic Manic Mechanic) Motorized Bicycle

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Our Price: $42.00
Deal of the Day Price: $36.50

Availability:: Usually Ships in 24 Hours
Manic Mechanic : 1_1-8-EM

Select Front or Rear:

This size is generally for steel frames. Always measure! For example some older bikes have a 1" tube diameter. For 1-1/2 - 2" stud spacing's only!
What you get (1) single engine mount. Select front or rear!

The front engine mount (T-bracket) mounting component has 2 slots to adapt to any of the Chinese engine front stud spacing configurations.
Some engines have wider stud spacing for the front mount, that's why there is 2 slots on the front mount (T bracket) mounting component.

The rear engine mount (T-bracket) mounting component has 1 hole and 1 slot.
This is because the drive sprocket is very close to one of the mounting studs on the rear mount application.
So the rear (T-bracket) mounting component that has the hole will mount on the stud nearest to the drive sprocket.

SELECT FRONT OR REAR IN OPTIONS WHEN ORDERING! To be sure you get the proper (T-bracket) mounting component!
The frame clamps are interchangeable

**Compatible with all Chinese motors that have 1-1/2 - 2" stud spacing's**


  • Easy, fast, secure, engine installation.

  • Eliminates, annoying, broken fasteners.

  • Designed and CNC machined to match your engine and bicycle frame geometry.

  • Available for a variety of frame tube diameters 1_1/8", 1_1/4" and 1_1/2".
Highly recommend also getting loctite under (Miscellaneous parts)
**The mounts DO NOT come with mounting bolts because they vary in size.
The mounting studs are usually M6 = 6mm
If so, replace the mounting studs with
a M6 allen bolt
Determine the size you have: 6mm will be the same as engine mounting studs, M8-1.00 will be larger but will still have the same thread spacing when compared side by side with mount studs. Another simple way is to measure 1 cm and count the threads. 1.00 thread pitch will have 10 threads in that 1 cm, 1.25 thread pitch will have 8 threads.

If you need a custom diameter smaller than 1_1/8" we can make you a custom bushing for $30.00
Must call in to order the custom reducer bushings 727-551-1435

Official Manic Mechanic part

Average Rating: Average Rating: 5 of 5 5 of 5 Total Reviews: 8 Write a review »

  0 of 0 people found the following review helpful:
5 of 5 Awesome June 3, 2020
Reviewer: Hunter Williams from West Peterborough, NH United States  
Amazing quality that you get with made in USA unlike the Chinese copy these actually fit the bike frame I just wish I ordered the rear t for 8mm studs.

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  0 of 0 people found the following review helpful:
5 of 5 ????? December 2, 2019
Reviewer: mark masterka from portage, MI United States  
have not received part yet.

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  0 of 0 people found the following review helpful:
5 of 5 nice September 13, 2018
Reviewer: Scotty MacDonald from Kansas City, MO United States  
very nice piece of work

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  0 of 0 people found the following review helpful:
4 of 5 Rear CNC Motor Mount for center tube (1.125") January 17, 2018
Reviewer: Ray Repairs (Customs) from Gilroy, CA United States  
Other than using a lower quality bolt that was immediately replaced with a strong one, the mount is awesome for most Two Stroke engines. My electric start Bullet Train Flying Horse motor has slightly wider mounting holes front and rear, so I head to extend the "slot-hole" to the end of the plate and have the stud right at the end - it will work.

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  0 of 0 people found the following review helpful:
5 of 5 Fits Perfectly November 1, 2016
Reviewer: Barry Parish from Clarkston, WA United States  
Shipped promptly.  I have ordered many items from your company and have always been very happy with your product and your customer service.

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Engine Mounts > 1_1/8" Engine Mount