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Transmission

(270 products)
Moped Gearboxes Chains and Sprockets Gear Drives Transmission Accessories
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Axle other Chain Chain accessories Chain guide Chain kit Chain master link Chain tensioner Chassis protection Chassis screws Circlip Clutch accessories CVT sliders Front sprocket Gearbox Gearbox accessories Gearshift lever Ignition lock Pulley Pulley gear Chain rear sprocket Screws other Transmission Transmission accessories Transmission gear Washer
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AFAM Algi Buzzetti Doppler Iris KMC Malossi MotoForce Polini RMS Schmitt Stage6 Standard Parts Swiing
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Standard Parts
Front Sprocket 16 teeth Puch Maxi
Article no.: MOF-28892

Front Sprocket 16 teeth Puch Maxi

3,80 €
Ready for dispatch shortly
Standard Parts
Front Sprocket 10 teeth Puch Maxi
Article no.: MOF-28886

Front Sprocket 10 teeth Puch Maxi

2,80 €
Ready for dispatch shortly
Standard Parts
Rear Sprocket 40 teeth Puch Maxi
Article no.: MOF-34242

Rear Sprocket 40 teeth Puch Maxi

12,00 €
Ready for dispatch shortly
KMC
Chain reinforced KMC 103 links / 415 yellow
Article no.: CGN505606

Chain reinforced KMC 103 links / 415 yellow

14,00 €
In stock soon
Standard Parts
Chain reinforced 120 links D.415 Doppler gold
Article no.: CGN504287

Chain reinforced 120 links D.415 Doppler gold

13,00 €
In stock soon
Standard Parts
Draw Key output shaft 3- / 4-speed Simson
Article no.: MOF-41386

Draw Key output shaft 3- / 4-speed Simson

7,10 €
In stock soon
Standard Parts
Front Sprocket 14 teeth Puch Maxi
Article no.: MOF-28889

Front Sprocket 14 teeth Puch Maxi

3,30 €
In stock soon
KMC
Chain reinforced KMC 120 links / 415 yellow
Article no.: CGN505609

Chain reinforced KMC 120 links / 415 yellow

16,50 €
Currently not in stock
Standard Parts
Drive Shaft clutch Simson
Article no.: MOF-41578

Drive Shaft clutch Simson

49,50 €
Currently not in stock
Buzzetti
Chain Tensioner Buzzetti universal Mofa
Article no.: WB-30230

Chain Tensioner Buzzetti universal Mofa

27,00 €
Currently not in stock
Standard Parts
Gear Shift Lever / Gear Selector Simson
Article no.: MOF-41465

Gear Shift Lever / Gear Selector Simson

13,50 €
Currently not in stock
Standard Parts
Angle Bracket gearshift Simson
Article no.: MOF-41428

Angle Bracket gearshift Simson

9,20 €
Currently not in stock
Standard Parts
Chain Tensioners (x2) Puch / Herkules / Kreidler / Zündapp
Article no.: MOF-29675

Chain Tensioners (x2) Puch / Herkules / Kreidler / Zündapp

3,50 €
Currently not in stock
Malossi
Front Sprocket 17 teeth Malossi Puch Maxi
Article no.: M612499B

Front Sprocket 17 teeth Malossi Puch Maxi

12,00 €
Currently not in stock
Schmitt
Clutch Pull Bearing Schmitt reinforced with thrust bearing Puch 4-/3-speed R engine
Article no.: STT49610

Clutch Pull Bearing Schmitt reinforced with thrust bearing Puch 4-/3-speed R engine

36,00 €
Currently not in stock
Standard Parts
Chain Drive 14 parts Simson
Article no.: MOF-44479

Chain Drive 14 parts Simson

92,00 €
Currently not in stock
Standard Parts
Driver Set elastic reinforced Puch ZA50 gearbox
Article no.: MOF-43794

Driver Set elastic reinforced Puch ZA50 gearbox

37,50 €
Currently not in stock
Standard Parts
Gearbox 5-speed Sport complete 24/32 / 1st gear long ratio Simson
Article no.: MOF-43540

Gearbox 5-speed Sport complete 24/32 / 1st gear long ratio Simson

359,00 €
Currently not in stock
Standard Parts
Gearbox 5-speed Sport complete 23/32 Simson
Article no.: MOF-43539

Gearbox 5-speed Sport complete 23/32 Simson

249,00 €
Currently not in stock
Standard Parts
Foot Gearshift Bushing Simson
Article no.: MOF-41543

Foot Gearshift Bushing Simson

17,50 €
Currently not in stock
Schmitt
Sealing Cap drive shaft Schmitt aluminium CNC Simson
Article no.: MOF-STT42162

Sealing Cap drive shaft Schmitt aluminium CNC Simson

33,50 €
Currently not in stock
Standard Parts
Front Sprocket 15 teeth (old version) Simson
Article no.: MOF-41742

Front Sprocket 15 teeth (old version) Simson

7,40 €
Currently not in stock
Standard Parts
Gear Selector Fork Simson
Article no.: MOF-41559

Gear Selector Fork Simson

21,50 €
Currently not in stock
Standard Parts
Clutch Control Lever Shaft (right) Simson
Article no.: MOF-41539

Clutch Control Lever Shaft (right) Simson

75,50 €
Currently not in stock
Standard Parts
Spring Seat clutch pressure spring Simson
Article no.: MOF-41533

Spring Seat clutch pressure spring Simson

3,00 €
Currently not in stock
Standard Parts
Clutch Disc Spring 1.8mm Simson
Article no.: MOF-41443

Clutch Disc Spring 1.8mm Simson

10,50 €
Currently not in stock
Standard Parts
Output Shaft 3-speed gearbox 9 holes Simson
Article no.: MOF-41431

Output Shaft 3-speed gearbox 9 holes Simson

37,50 €
Currently not in stock
Standard Parts
Fixed Gear 17 teeth 2nd gear 3-speed Simson
Article no.: MOF-41426

Fixed Gear 17 teeth 2nd gear 3-speed Simson

25,00 €
Currently not in stock
Standard Parts
Shift Drum 3-speed Simson
Article no.: MOF-41387

Shift Drum 3-speed Simson

26,00 €
Currently not in stock
Standard Parts
Idler Gear 39 teeth 2nd gear 3-speed Simson
Article no.: MOF-41367

Idler Gear 39 teeth 2nd gear 3-speed Simson

26,00 €
Currently not in stock
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The gearbox - tuning via gear ratio

The gearbox or transmission is a mechanical device that transmits a motion from one part to another, with the possibility of changing speed and torque by gearing up or gearing down. In a scooter, there is the primary transmission (input shaft to torque drive + intermediate shaft) and secondary transmission (intermediate shaft + output shaft to wheel). The gear ratio has a great impact on acceleration and top speed. A short gear ratio gives good acceleration, but is a little weak on speed, which can be compensated by a longer gear ratio.

Since the gearbox is a very complex subject, here we have a gearbox tutorial for you that will help you choose your new gear ratio.

The complex world of gear ratios

Do you simply want to replace gearbox components because they are defective or worn? Or do you want to adjust the gear ratio after upgrading to a more powerful cylinder? In both cases, we recommend replacing both primary and secondary gears at the same time.

For very powerful engines, we recommend selecting the gears in a way that the final drive ratio can adequately convert the power delivered by the engine. Using a longer gear ratio may actually worsen acceleration, so you should always match the gearbox to the available RPM. Longer does not always mean better, it is best to get enough information before installing new gears!

In our online store we carry a wide range of individual gears and complete gearboxess for most scooters, mopeds and maxi scooters. Leading brands such as

offer top quality products at fair prices, with which you can improve the performance of your engine.

If you simply want to overhaul your gearbox, we also carry original spare parts for you, for manufacturers like

and many more.

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