XRAY 365721 Precision 21T Aluminum Pinion Gear  [XR-365721]

XRAY 365721 Aluminum Pinion Gear - Hard Coated 21T / 48
Price:
£14.70
Brand:
XRAY
Model:
XR-365721
Condition:
Brand New
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alt="XRAY 365721 Aluminum Pinion Gear - Hard Coated 21T / 48" title="XRAY 365721 Aluminum Pinion Gear - Hard Coated 21T / 48"

Pinion Gear Features and Fit

The XRAY 365721 21T Aluminium Pinion Gear is aimed at hobbyists wanting tight, repeatable gearing. Constructed from 7075 T6 aluminium with a hard-coated finish, it keeps weight down while resisting wear. The design supports smooth engagement and helps maintain consistent performance lap after lap.

Advanced Tooth Shaping

Precision machining creates uniform tooth profiles for reliable meshing and reduced drivetrain vibration. The internal thread design eases installation and removal so swaps are quick between tests or races.

Identification and Sizing Options

Pinions are marked with their tooth count to make selection simple in a busy pit area. Available in common sizes, they give drivers the flexibility to tweak acceleration or top speed depending on circuit layout.
Remark :
Due to limited stock availability, please notice that some XRAY items may have to order from the factory and the ready time is around 4-6 weeks. Customer purchases the item is assumed to accept the waiting time which allows us to order directly from the manufacturer if the item is out of our warehouse.

What routine checks should I perform on this pinion?

Inspect teeth for chips or rounding after heavy sessions and verify the hard coat is intact; replace if you see significant wear or damage.

Are there special care steps for the hard coating?

Clean off grit and grime with a soft brush and mild solvent; avoid abrasive cleaning that could abrade the coating.

Will this pinion work with high torque motors?

It is designed for competitive use and high loads, but regular inspection and correct mesh are important when pairing with powerful motors.

How do I choose the right tooth count for my track?

Lower tooth counts generally increase acceleration while higher counts raise top speed; experiment with nearby sizes to find the best balance for the circuit.

Is replacement straightforward if a tooth gets damaged?

Yes, replacement is simple due to the internal thread mount; keep spare pinions in your pit box for quick swaps between runs.

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