Can these be used on a Harley 883?

Thank you for writing. Please do not use our Universal Training Wheels on a 883 Harley. Our Universal Training wheels are designed for 50cc or less motorcycles. -Regards, Team Hardline Products®

What size bolt should be used on foot peg for razor mx350? the 3/8 or 5/16? thank you.

Thank you for writing. our kit contains both bolts in case you need them. I believe the 5/16" is the proper bolt for that application. -Team Hardline Products

Will these fit a Honda 50 cc ?

Thank you for your question. This product is designed for the Razor family of electric motorcycles. Good News is Hardline Products does manufacture a Hardline Products Wheels-4-Tots Universal Training Wheel that will work not only on the Honda 50 CC gas motorcycle but most 50 cc entry level motorcycles. You can find the link to the Amazon listing by simply coping and pasting the link: https://www.amazon.com/Hardline-Products-Wheels-4-Tots-Universal-Training/dp/B00DFSUEOG/ref=sr_1_1?crid=1SKST4FVUS5Z4&dchild=1&keywords=moto+training+wheels&qid=1588645037&sprefix=Moto+training+wheels%2Caps%2C217&sr=8-1 If you have any question please let us know or call 1-888-413-8315. We will be happy to help! Thanks again, Hardline Products

Will this fit a syx moto 50cc dirt bike?

Yes, Hardline Products Inc. 1702 UT-R Adjustable Height Training wheels will fit your SYX Moto 50. Thank you for writing.

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Hardline Products Adjustable Height Training Wheels for Razor MX 125, MX350, MX400, MX450, SX500, MX650 Electric Motorcycle

Hardline Products Adjustable Height Training Wheels for Razor MX 125, MX350, MX400, MX450, SX500, MX650 Electric Motorcycle

Product ID: 254274538

Details

Brand
Hardline
Exterior finish
Alloy Steel
Item weight
13 Pounds
Material
Solid Steel
Pitch circle diameter
170.63
Rim size
7 Inches

📏Adjustable wheel height for skill progression

⚙️CNC machined bracket mounts for perfect fit

🛠️Mounts to foot pegs for ultimate strength & durability

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15756486₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛵 Elevate young riders’ confidence with precision, durability, and style!

RUGGED DURABILITY - Solid steel construction and foot peg mounting deliver unmatched strength for all riding conditions.
PRECISION ENGINEERED FIT - CNC machined brackets ensure flawless installation every time—no guesswork, just perfect alignment.
COMPLETE KIT ZERO HASSLE - Everything you need in one package—easy installation with inclusive instructions and video guidance.
CUSTOMIZABLE SKILL SUPPORT - Adjust wheel height incrementally to match your rider’s growing confidence and terrain challenges.
MADE IN THE USA WITH GLOBAL PARTS - Designed, engineered, assembled, and tested stateside for premium quality and reliability.

Hardline Products Adjustable Height Training Wheels are a USA-designed, solid steel training solution tailored for Razor MX electric motorcycles (125 to 650 models). Featuring CNC machined mounts for perfect fit, adjustable wheel height for progressive skill-building, and rugged foot peg installation, this kit offers parents peace of mind and kids the ultimate learning experience on any terrain.

Specifications

ASIN	B0752TT91W
Automotive Fit Type	Universal Fit
Best Sellers Rank	371,529 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) 136 in Cycling Training Wheels
Brand Name	Hardline Products
Colour	Black
Compatible with Vehicle Type	Motorcycle
Customer Reviews	4.6 4.6 out of 5 stars (528)
Exterior Finish	Alloy Steel
Global Trade Identification Number	00632194726338
Included Components	Training Wheel
Item Type Name	Adjustable Height Training Wheels for Razor MX125, MX350, MX400, MX450, SX500, MX650 Electric Motorcycle
Item Weight	13 Pounds
Load Index	14
Manufacturer	Hardline Products
Manufacturer Part Number	1702-UT-R
Material Type	Solid Steel
Model Number	1702-UT-R
Pitch Circle Diameter	170.63 Millimetres
Rim Size	7 Inches
Rim Width	5 Inches
Size	Razor MX Bikes
UPC	632194726338
Unit Count	1.0 count
Wheel Backspacing	2.5 Inches
Wheel Size	8.25 Inches

Reviews

P**K

works like it should

4.06.2025

J**M

I used this on the razor Mx350 electric dirtbike for my six-year-old. The install took me less than an hour. The child is happy and gives him the confidence he needs to build his skills.

9.01.2025

A**.

This is my second time buying this item and it fits perfectly on my kids Razor Dirt Bikes. It has great traction control and allows my 3 and 5 year old boys to ride safely with their bigger siblings.

27.12.2025

J**N

Installation was super fast and easy! I like that the lean is also adjustable for when my boy gets more confident in his ability

18.04.2023

J**I

Work just fine no issues

21.07.2025

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