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Egig Performance Item number: EGIG220FAIO
Egig Performance

Complete gearbox (gears incl. main shaft + auxiliary shaft) for Piaggio housing -EGIG/FAIO X-TRA STRONG, CNC drive shaft - Vespa Smallframe V50, PV, ET3, PK, HP 4-speed- 18/37-15/38-12/42-10/52 - auxiliary shaft with cone

Short facts - X-TRA STRONG gearbox

Plug-and-play in OEM small-frame housing (no machining)
Auxiliary shaft with conical connection (for matching conical couplings)
FAIO main shaft - CNC-machined, reinforced design
Tooth module 2 - high flank stability and load reserve
EGIG shift claw 50.2 mm - precise shifting under load
1199,00 €*
not available
Shipping weight 3,05 kg
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FAIO RACING × EGIG PERFORMANCE - Gearbox X-TRA STRONG (Smallframe)

High-performance gearbox from the FAIO/EGIG development line: plug-and-play can be fitted in the original smallframe housing, designed for very high-torque engines. This version combines a secondary shaft with a classic cone suitable for all conventional clutches. Also included in this set is the main shaft manufactured by FAIO CNC.

Plug-and-play in OEM housing Tooth module 2 Secondary shaft with cone CNC main shaft reinforced EGIG shift claw 50.2 mm > 40 Nm suitable

Technical data X-TRA STRONG

Design: 4-speed gearbox, toothing family of the X-TRA series (module 2)
Main shaft: FAIO, CNC-machined, reinforced geometry
Auxiliary shaft: Cone for conventional clutches; M12×1.25 thread
Shift claw: EGIG specification 50.2 mm
Kickstarter pinion: 11 teeth
Design: high fatigue strength for very high-torque setups

Use and compatibility

Installation without housing machining in original Piaggio smallframe engines (PV/ET3/PK depending on setup)
In combination with clutches with classic cone mount
Road, long distance, track - precise shifting under load

Gear pairs and ratios

X-TRA STRONG
GearTooth pairi
1.11 : 524,73
2.13 : 423,23
3.15 : 382,53
4.18 : 372,06
Comparison - Piaggio PV (standard)
GearTooth pairi
1.10 : 585,80
2.14 : 543,86
3.18 : 502,53
4.22 : 462,09

Note: same gear family as X-TRA S / X-TRA LARGE; X-TRA STRONG differs in width and shaft package (conical secondary shaft, reinforced CNC main shaft).

FAQ - Frequently asked questions about the X-TRA STRONG

Yes. The package is designed for installation in original smallframe housings. The usual checks for axial play and spacing are still required.
In contrast to the Poligon connection, any conventional clutch available on the market can be used with the classic cone connection. The Poligon variant is recommended for particularly high-torque setups.
Precisely manufactured transitions and defined radii increase bending and torsional strength. This improves shifting precision and service life under continuous load.
For very high-torque smallframe engines (typically over 40 Nm). Module 2 gearing and reinforced shafts offer high load reserves.

Conclusion

Gearbox package for high durability without housing machining: Module 2 gearing, tapered auxiliary shaft and reinforced CNC main shaft result in a stable, precise shifting system for powerful smallframe setups.
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OEM numbers (for comparison purposes only)
Scooter Center:
EGIG220FAIO
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