XRAY 348425 25T Aluminum Pinion Gear for XCA Clutchbells  [XR-348425]

XRAY 348425 XCA Aluminum Pinion Gear 25T (2nd) - 7075 T6 - Hard Coated -Large
Price:
CAD$30.63
Brand:
XRAY
Model:
XR-348425
Condition:
Brand New
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High Precision 7075 T6 Pinion for Consistent Drive

The XRAY 348425 aluminum pinion gear is engineered specifically for XCA clutchbells and built from premium 7075 T6 aluminum. This 25T unit delivers solid durability and consistent tooth profile for hobbyists wanting dependable performance and long service life. Its larger diameter helps fit standard engines by positioning the motor slightly farther from the bulkheads for better clearance.

Machine-Finished Tooth Geometry

Produced on a dedicated gear cutting machine, the teeth of this pinion are shaped for smooth meshing and reduced vibration. The internal fine threads allow straightforward fitting to both regular and lightweight XCA clutchbells. Each item is laser or machine etched with the tooth count for quick identification during gearing changes.

Tuneable Ratios for Track Use

Offered in common tooth counts, the XRAY 348425 lets you adjust gear ratios to match track surfaces and racing conditions. Whether swapping sprockets between heats or refreshing a setup, this pinion provides a reliable option for optimising speed and acceleration.
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.

Will this pinion fit lightweight XCA clutchbells?

Yes. The XRAY 348425 is threaded to suit both standard and lightweight XCA clutchbells, allowing easy installation without extra adapters.

How do I identify the tooth count quickly?

Each pinion is etched with its tooth number on the face, so you can spot the 25T marking at a glance when changing gears trackside.

Any tips for installation to avoid runout?

Ensure the clutchbell threads are clean, use the correct torque, and check mesh with a paint transfer method or shim as needed to prevent binding and reduce vibration.

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