Nylon pinion z11

The Z11 nylon pinion from Sloting Plus: small but key in the transmission

Within the drivetrain of a slot car, the pinion is the component that directly connects the motor to the crown gear and, therefore, is the one that experiences the most mechanical stress during each acceleration. This 11-tooth nylon pinion (Z11) from Sloting Plus (ref. SP082911) is designed for those who need to always have spare units on hand, as nylon is a material that wears out more quickly than steel and requires periodic replacements.

Technical specifications

• Material: nylon
• Number of teeth: 11 (Z11)
• Outer diameter: 6.5 mm
• Length: 5 mm
• Axle diameter: 2 mm (press-fit)
• Colour: yellow
• Contents: bag with 4 units
• Reference: SP082911

Function and performance

Nylon provides a quiet transmission and absorbs vibrations better than steel, which can be advantageous in club setups where noise and smoothness of operation are important. However, its tolerance to heat and wear is lower: in long sessions or with high-power motors, the nylon pinion gives way sooner. Precisely for this reason, this reference includes 4 units: having several in the toolbox is standard practice for any experienced tuner.

Assembly and preparation

The pinion is press-fitted onto 2 mm diameter axles. Before mounting, ensure that the axle is clean and free of burrs to achieve a tight and concentric fit. Once installed, apply a small amount of specific slot gear lubricant directly onto the teeth: just enough to form a thin film, without excess that attracts dirt. This step improves both the performance and the lifespan of the pinion-crown gear assembly.

Common mistakes

• Not lubricating: dry friction wears out the nylon in very few laps. Always lubricate before running.
• Ignoring wear: a worn pinion creates play in the transmission, noise, and loss of acceleration. Inspect it regularly and replace it as soon as you notice irregularities in the teeth.
• Forcing the fit: if the axle has a slightly different diameter than 2 mm, do not force the assembly; the pinion may become eccentric or crack.

Frequently asked questions

How often should nylon pinions be replaced?

It depends on the intensity of use and the power of the motor. In competition sessions or with high-power motors, it may be necessary to check them every few hours of running. In recreational use, wear is slower, but it is advisable to inspect them periodically and replace them at the first sign of play or visible wear on the teeth.

Is it compatible with any slot crown gear?

Compatibility depends on the gear module (the size and pitch of the teeth), not just the number of teeth. Ensure that the crown gear you are pairing it with has the same module to ensure a proper fit.

Why is the pinion yellow?

The yellow colour is the visual code that Sloting Plus uses to identify this Z11 nylon reference, which facilitates quick location in the toolbox when working with various pinion sizes.

Can I use this pinion with high-power motors?

Technically yes, but nylon does not withstand the heat generated by very powerful motors as well. In those configurations, steel pinions tend to be more durable. Nylon is a valid option for medium power motors or for those who prioritise smooth transmission and accept more frequent replacements.

Does the bag include 4 identical pinions?

Yes, the 4 units included are identical: all Z11, yellow nylon, for 2 mm axle.

The Sloting Plus SP082911 is a Z11 nylon pinion gear designed for 1/32 slot car drivetrains. With an outer diameter of 6.5 mm, a length of 5 mm and a press-fit for 2 mm axles, it provides smooth and quiet power transmission. Sold in a pack of 4 units, it is an essential spare part for slot car hobbyists and club racers who want to keep their cars running at peak performance. Regular lubrication and frequent replacement are key to maintaining drivetrain efficiency.