PINIONS 8 INLINE Extralight

Less grams, more response: the NSR Extralight pinions for Inline configurations

When preparing a slot car thoroughly, every rotating component counts. The NSR 8-tooth Inline Extralight pinions (ref. NSR6808) are born precisely from that philosophy: to minimise the mass of rotating parts so that the motor delivers its power more immediately, without unnecessary inertia.

Main features

• Teeth: 8
• Configuration: Inline (longitudinal motor, in line with the rear axle)
• Line: Extralight, made from lower density material to reduce rotating mass
• Reference: NSR6808
• Manufacturer: NSR (Italy)

Function and performance

The pinion is the first link in the transmission: it directly receives the rotation from the motor and transfers it to the crown gear. A lighter pinion means that the motor-transmission assembly accelerates with less inertial resistance, resulting in a more responsive throttle and more effective recovery out of corners. In club categories or in free racing where fine-tuning the car's behaviour is sought, this type of improvement makes a real and measurable difference.

The Extralight version from NSR is designed for drivers who have already mastered basic tuning and want to take a further step in optimising the transmission system, without the need to change the motor or chassis.

Compatibility and installation

These pinions are designed for Inline configurations, meaning motors mounted longitudinally relative to the rear axle. It is essential to verify that the inner diameter of the pinion is compatible with your motor's shaft before installation. NSR offers pinions in various configurations and modules, so it is advisable to check that this model fits with your chassis's transmission system.

Installation does not require special tools, but it is recommended to properly adjust the mesh with the crown gear to avoid vibrations or premature wear. A slight controlled play between pinion and crown gear ensures smooth and quiet transmission.

Common mistakes

• Confusing Inline configuration with Sidewinder: in Inline, the motor is longitudinal to the rear axle; in Sidewinder, it is transversal. Use the correct pinion for each configuration.
• Over-tightening the pinion on the motor shaft can deform it or make future removal difficult.
• Not checking the module of the crown gear before combining pinion and crown from different references can lead to poor meshing.

Ideal for…

Club racers competing in categories with motor restrictions looking to optimise the transmission. Also for enthusiasts preparing NSR cars for intensive recreational use who want a more direct response without modifying the electronics or motor.

Frequently asked questions

What is the difference between an Inline pinion and a Sidewinder pinion?

The difference lies in the orientation of the motor. In Inline configuration, the motor is mounted in line with the rear axle (longitudinally), and the pinion transmits the rotation directly in that plane. In Sidewinder, the motor is transversal to the axle. Each configuration requires its own type of pinion; they are not interchangeable.

What advantage does the Extralight version offer over a standard pinion?

The reduction of rotating mass. Being lighter, the pinion offers less resistance to rotation, improving throttle response and potentially reducing motor heating during long sessions. On track, the difference is particularly noticeable in corner exits and rapid rhythm changes.

Which crown gears is this pinion compatible with?

It must be combined with crown gears of the same module. NSR specifies the module of each pinion and crown in its catalogue; always check that they match before assembling the transmission.

How many pinions are included in the NSR6808 reference?

Check the contents of the packaging in the product sheet or in the official NSR information, as the number of units per blister may vary by batch. If in doubt, contact us before placing your order.

Can I use this pinion on any NSR motor?

As long as the inner diameter of the pinion matches the motor shaft and the configuration is Inline, yes. NSR manufactures pinions with different shaft diameters; verify compatibility in the official catalogue or in the motor's technical sheet.

The NSR6808 Extralight 8-tooth Inline pinion is a precision slot car transmission component designed for longitudinal motor setups. By reducing rotational mass, it delivers sharper throttle response and improved acceleration out of corners. A must-have upgrade for club racers and serious hobbyists looking to fine-tune their NSR slot car build without changing the motor or chassis.