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The Tekno RC TEAM SPEC Differential Gear Set is a precision drivetrain tuning upgrade designed for Tekno RC 2.x platforms. Featuring precision-ground 20T/10T internal differential gears, this set is engineered to provide smoother differential operation and a more forgiving driving feel compared to the standard gear set.
The smoother operation helps the vehicle maintain momentum and remain easier to drive consistently, making the TKR9150X particularly useful on bumpy, rough, and low-grip track surfaces.
The TKR9150X gears feature a precision-ground finish designed to produce exceptionally smooth interaction between the internal differential gears.
This refined gear operation changes the way the differential responds throughout a corner, providing racers with an additional option for fine-tuning the handling characteristics of their vehicle.
Tekno developed the TEAM SPEC gears to provide a smoother and more forgiving driving feel.
The resulting differential behavior can make the vehicle easier to drive consistently while helping maintain flow and momentum through rough or technical sections of the track.
The characteristics of the TEAM SPEC gear set can be especially beneficial when racing on bumpy or low-grip surfaces, where predictable differential action and maintaining vehicle momentum are important.
The smoother response provides racers with another tuning option for adapting their vehicle to changing track conditions.
The TEAM SPEC gear design works best with significantly heavier differential oils than Tekno's standard internal gears.
Tekno recommends starting with differential oil that may be close to twice the viscosity normally used with the standard gears. This opens an additional tuning range while retaining the smooth and predictable handling characteristics of the TEAM SPEC design.
Final oil selection should be adjusted according to vehicle configuration, track conditions, and driver preference.
TKR9150X is designed as a direct replacement for the TKR9150B differential gear set on compatible Tekno RC 2.x vehicles.
This allows racers already using Tekno's 2.x differential system to install the TEAM SPEC gears without changing the complete differential assembly.
Genuine Tekno RC TEAM SPEC tuning part
Precision-ground internal differential gears
20T/10T gear configuration
Designed for Tekno RC 2.x platforms
Provides smoother differential operation
Creates a more forgiving driving feel
Helps improve consistency around the track
Helps maintain momentum through corners
Particularly useful on bumpy track surfaces
Well suited for low-grip conditions
Opens an additional differential tuning range
Designed for use with significantly heavier differential oils
Direct replacement for TKR9150B
Compatible with front, center, and rear applications where TKR9150B is used
Performance-oriented racing upgrade
Tekno RC part number TKR9150X
Tekno RC EB48 2.x
Tekno RC ET48 2.x
Tekno RC NB48 2.x
Tekno RC NT48 2.x
Other Tekno RC 2.x platforms designed to use TKR9150B internal differential gears
(1) Tekno RC TEAM SPEC 20T/10T Differential Gear Set – TKR9150X
NOTE: Tekno recommends using significantly heavier differential oil with TKR9150X than with the standard differential gears, often close to double the viscosity. Differential oil is sold separately.
This product was added on 09/27/2026 by JM.