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Fabbri Racing Item number: FR0059
Fabbri Racing

Primary gear ratio -FABBRI RACING endurance- Vespa V50, PV125, ET3, PK50, PK80, PK125 - 27-69 = 2.56 (straight toothed)

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Primary gear ratio -FABBRI RACING Endurance- Vespa V50, PV125, ET3, PK50, PK80, PK125

Primary reduction ratio from FABBRI RACING for powerful smallframe engines with a focus on reliability. Suitable for all smallframe manual engines such as V50, 50N, SS90, PV125, ET3 and PK80-125 S/XL/XL2 engines. The Endurance version is ideal for sporty road and touring setups that are designed to last.

Smallframe shift engines Road and endurance CNC components 3 gear ratios Fabbri Racing

Scope of delivery (set)

Fabbri Racing CNC clutch basket
Fabbri Racing CNC cover plate
Primary springs (reinforced)
Screw connection

Reinforced primary drive for long durability

The Endurance version also relies on a massively reinforced primary drive. The CNC cover plateprevents thin standard discs from breaking through and holds the shock absorber springs securely in position. The reinforced clutch basket ensures stability with powerful setups - ideal if you prioritize durabilityand suitability for everyday use. Practical: The clutch sprocket can be replaced without removing the entire primary thanks to the recess in the basket.

Reduction ratios (please select variant)

24/72 = 3.00 - for engines up to 125cc or very powerful engines on tight, slow courses (lots of bottom end pull, short gears).
27/69 = 2.56 - standard for 125cc and the sweet spot for most tuning engines. Can be combined very well with a short 4th (or 3/4) to keep the engine clean in the band.
28/69 = 2.34 - for high torque and or short 3/4 countershaft (17-20). The lower gears become longer and more suitable for everyday use, but the 4th remains "normal length".

What is the Endurance version ideal for?

Powerful road engines: sporty cylinders, but with a focus on clean running and everyday use.
Tour and long distance: if you prioritize durability and quietness in the drive.
Price-performance: very resilient, without the consistent racing focus of the Performance version.

Endurance vs Performance - what's the difference?

Endurance: focus on mileage, everyday use and long distances - very stable and proven for powerful road engines.
Performance: for extreme peak loads and racing - if you want maximum reserves at the limit.
Practice: Endurance is the perfect choice for most builds. Performance makes sense if you are planning really high performance or hard racing.
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