54.5 x 2.38mm Evo

Sideways Evo Rear Axle: Millimetric Precision for Your Slot Assembly

The reference SWAX545 from Sideways includes 2 units of the Evo rear axle measuring 54.5 mm in length and 2.38 mm in diameter (3/32"). A discreet yet crucial component: the rear axle is the element around which the transmission, wheels, and ultimately the entire dynamic response of the car on track pivot.

Main Features

• Length: 54.5 mm
• Diameter: 2.38 mm (3/32")
• Units per pack: 2
• Line: Evo from Sideways
• Manufacturer reference: AX545

Function and Performance

A poorly machined or worn axle introduces vibrations, affects wheel balance, and compromises the power transmission from the motor to the track. The Evo axle from Sideways is manufactured with tight tolerances to ensure smooth rotation, with no lateral play and no warping that could penalise cornering or braking performance. Having spare units is as common in slot preparation as changing tyres: the axle wears with use, and in competitive setups, it is advisable to keep this in mind before each race day.

Compatibility and Installation

The 3/32" measurement is one of the most widespread standards in the 1:32 slot universe. It is compatible with most chassis, crown gears, and wheels designed for this axle diameter. Always check your chassis or base specifications to confirm that the 54.5 mm length fits your specific setup, as small differences in track width may require different measurements.

Installation does not require special tools: an axle holder or a small extraction punch is sufficient for a clean and quick change on the workbench.

Ideal for…

• Club racers looking to keep their cars in perfect condition before each race.
• Preparers assembling kits or chassis who need axles with exact measurements.
• Enthusiasts wanting to have original Sideways spares in their workshop drawer.

Considerations

Before installing the new axle, check the condition of the bearings or bushings. A precise axle mounted on a worn bearing will not deliver its full potential. Similarly, check the fit of the crown gear and pinion to avoid play or excessive tightness that could accelerate the wear of the new axle.

Frequently Asked Questions

How many units are included in the pack?

The pack includes 2 units of the 54.5 x 2.38 mm Evo axle from Sideways (ref. AX545).

What does the measurement 3/32" mean?

3/32" is a fraction of an inch equivalent to 2.38 mm. It is the most common axle diameter in 1:32 slot cars and is compatible with the vast majority of bases, crown gears, and wheels on the market designed for this standard.

Which Sideways models is this axle compatible with?

As a component of the Evo line from Sideways, it is designed for their chassis and bases of the same range. Always verify the track length and width of your setup before installation, as different models may require different measurements.

Can I use this axle in cars from other brands?

As long as the base accommodates a 2.38 mm diameter axle and the 54.5 mm length fits your car's track width, it is possible. The 3/32" measurement is an open standard, not exclusive to Sideways.

How often should the rear axle be replaced?

It depends on the usage rate. In club competition, a visual inspection and comparison at the start of each season or after hard impacts is a good practice. If you detect unusual vibration or wear on the supports, replace it.

The Sideways Evo rear axle SWAX545 (AX545) is a precision 54.5 mm x 2.38 mm (3/32") steel axle for 1:32 slot car preparation. Sold in a pack of 2 units, it is compatible with standard 3/32" bearings, bushings, gears and wheels. A key spare part for club racers and slot car builders looking to keep their Sideways Evo setup in top racing condition.