Bart Moto Co
CT70 / Z50 / ATC70 Upgraded Needle Type Steering Stem Bearings
CT70 / Z50 / ATC70 Upgraded Needle Type Steering Stem Bearings
Tags: Bearings
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Upgrade your front end with a modern bearing solution designed to replace the original loose ball-style steering stem bearings found on many Honda mini bikes and ATCs.
This needle-type bearing setup provides smoother steering, improved load handling, and increased durability compared to the factory design. It’s a direct upgrade for both restoration builds and high-performance applications, especially when paired with modern front-end components like inverted fork conversions.
Features
- Needle-type bearing design for improved load distribution
- Smoother steering feel compared to loose ball bearings
- Increased durability under hard use
- Direct replacement for stock steering stem bearings
- Ideal for both stock and upgraded front-end setups
Includes
- Needle-type bearing
- Bearing race
- Threaded head top
- Stem nut
- Washer
Fitment
- Honda CT70 (all years)
- Honda Z50 (K2–1978, rear shock models)
- Honda CRF50 (all years)
- Honda XR50 (all years)
- Honda XR70 / XR75 / XR80
- Honda XL70 / SL70 / CL70
- Honda ATC70 (1973–1985)
- Honda ATC90 (1973–1978)
- Honda ATC models 70cc–200cc (excludes ATC200X)
- Honda CT90 (K1–1979)
- Honda CT110 (all years)
Why Upgrade
Upgraded from the factory loose ball design, this needle-type setup provides smoother steering, better load distribution, and improved durability—especially noticeable on bikes running heavier or upgraded front-end components.
Important Notes
- Compatible with stock and aftermarket triple trees
- Recommended for use with inverted fork conversion setups
- Ensure proper installation and lubrication during assembly
