Lambretta Technical Section
Shift Rod with Calibrated Holes for Lambretta: Why Install It and What Advantages It Offers

In the restoration or technical preparation of a Lambretta, each component can influence the efficiency and reliability of the vehicle. Among these, the gear rod is often overlooked, but it plays a central role in the precision of gear engagement. In particular, the gear rod with calibrated holes represents a technical upgrade that can make the difference.
What is the Exchange Auction and How Does it Work?
The gear shift rod is the component that connects the control system on the left handlebar – managed by a pair of pulleys and cables – to the selector drum located inside the engine crankcase. Its task is to mechanically transfer the rotation imparted by the gear shift knob to the engine gears in a precise manner.
In the model with calibrated holes, the engagement points for pins and pins are machined with greater precision than the standard versions. This means that the coupling between the rod and adjacent components is more stable, reducing play and improving the response of the gearbox.
Why Choose a Rod with Calibrated Holes
Installing a shift rod with calibrated holes offers numerous technical advantages:
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Greater precision in gear changes: reduced play between components eliminates imprecise or irregular movements.
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Better response to gear knob rotation: rotation is transmitted directly to the selector drum.
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Reduced wear: Less play means less vibration and stress on the mechanical components of the gearbox.
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Superior reliability even in tuned or sporty configurations: recommended on modified engines where mechanical precision is essential.
Compatibility with Lambretta Models
The shift rod with calibrated holes is available for the LI, SX, TV, DL and GP models, maintaining compatibility with the original pins and pins. It is a plug-and-play replacement that does not require structural modifications.
Assembly: What to Check
During installation, it is recommended that you:
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Check the wear condition of pins, pins and pulleys
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Check that the cables are routed correctly in the frame
Conclusion
The gear rod with calibrated holes is a technical upgrade that every Lambretta rider should consider, both during restoration and sports preparation. It improves gear shifting precision, reduces wear and ensures greater reliability of the control transmission system. A small intervention, but of great importance for those seeking smooth and safe driving.

Do you have questions or would you like technical advice?
Contact us: we are at your disposal to help you improve the performance and reliability of your Lambretta.