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Transmission

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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
Chain Case w/ cover Simson
Article no.: MOF-41828

Chain Case w/ cover Simson

15,50 €
Ready for dispatch shortly
Standard Parts
Front Sprocket 16 teeth (old version) Simson
Article no.: MOF-41743

Front Sprocket 16 teeth (old version) Simson

7,00 €
Ready for dispatch shortly
Standard Parts
Front Sprocket 13 teeth (old version) Simson
Article no.: MOF-41740

Front Sprocket 13 teeth (old version) Simson

11,00 €
Ready for dispatch shortly
Standard Parts
Engine Ratchet Plate Simson
Article no.: MOF-41615

Engine Ratchet Plate Simson

6,00 €
Ready for dispatch shortly
Standard Parts
Hollow Shaft gearshift lever Simson
Article no.: MOF-41575

Hollow Shaft gearshift lever Simson

97,50 €
Ready for dispatch shortly
Standard Parts
Gear Shift Shaft Simson
Article no.: MOF-41542

Gear Shift Shaft Simson

21,00 €
Ready for dispatch shortly
Standard Parts
Gear Shift Fork / Bracket Simson
Article no.: MOF-41541

Gear Shift Fork / Bracket Simson

9,10 €
Ready for dispatch shortly
Standard Parts
Lock Plate front sprocket Simson
Article no.: MOF-41538

Lock Plate front sprocket Simson

1,10 €
Ready for dispatch shortly
Standard Parts
Sealing Cap front sprocket Simson
Article no.: MOF-41537

Sealing Cap front sprocket Simson

9,90 €
Ready for dispatch shortly
Standard Parts
Spring output shaft Simson
Article no.: MOF-41515

Spring output shaft Simson

2,50 €
Ready for dispatch shortly
Standard Parts
Washer output shaft spring Simson
Article no.: MOF-41508

Washer output shaft spring Simson

0,80 €
Ready for dispatch shortly
Standard Parts
Washer clutch shaft 10.5x18x1mm Simson
Article no.: MOF-41494

Washer clutch shaft 10.5x18x1mm Simson

0,40 €
Ready for dispatch shortly
Standard Parts
Ball 7mm output shaft Simson
Article no.: MOF-41493

Ball 7mm output shaft Simson

0,30 €
Ready for dispatch shortly
Standard Parts
Ball 4mm gearshift spring Simson
Article no.: MOF-41492

Ball 4mm gearshift spring Simson

0,40 €
Ready for dispatch shortly
Standard Parts
Bolt shift drum 3- / 4-speed Simson
Article no.: MOF-41468

Bolt shift drum 3- / 4-speed Simson

13,00 €
Ready for dispatch shortly
Standard Parts
Idler Gear 38 teeth 2nd gear 3-speed Simson
Article no.: MOF-41456

Idler Gear 38 teeth 2nd gear 3-speed Simson

18,00 €
Ready for dispatch shortly
Standard Parts
Shift Drum 4-speed Simson
Article no.: MOF-41454

Shift Drum 4-speed Simson

50,00 €
Ready for dispatch shortly
Standard Parts
Spacer Bushing 22 teeth fixed gear clutch shaft 3-speed Simson
Article no.: MOF-41453

Spacer Bushing 22 teeth fixed gear clutch shaft 3-speed Simson

4,60 €
Ready for dispatch shortly
Standard Parts
Shift Drum Washer 12x18x1mm Simson
Article no.: MOF-41445

Shift Drum Washer 12x18x1mm Simson

2,40 €
Ready for dispatch shortly
Standard Parts
Spacer Washer 17 / 22 teeth fixed gear 15x22x2mm Simson
Article no.: MOF-41441

Spacer Washer 17 / 22 teeth fixed gear 15x22x2mm Simson

3,10 €
Ready for dispatch shortly
Standard Parts
Washer kickstart shaft 16x32x1.3mm Simson
Article no.: MOF-41440

Washer kickstart shaft 16x32x1.3mm Simson

3,00 €
Ready for dispatch shortly
Standard Parts
Ball Set 7mm x12 output shaft Simson
Article no.: MOF-41439

Ball Set 7mm x12 output shaft Simson

3,60 €
Ready for dispatch shortly
Standard Parts
Washer / Shim gearbox 24x35x1.5mm Simson
Article no.: MOF-41436

Washer / Shim gearbox 24x35x1.5mm Simson

3,90 €
Ready for dispatch shortly
Standard Parts
Washer / Shim gearbox 24x35x1.3mm Simson
Article no.: MOF-41435

Washer / Shim gearbox 24x35x1.3mm Simson

3,30 €
Ready for dispatch shortly
Standard Parts
Clutch Disc Spring 1.5mm Simson
Article no.: MOF-41433

Clutch Disc Spring 1.5mm Simson

11,00 €
Ready for dispatch shortly
Standard Parts
Idler Gear 22 teeth 3rd / 4th gear Simson
Article no.: MOF-41425

Idler Gear 22 teeth 3rd / 4th gear Simson

12,00 €
Ready for dispatch shortly
Standard Parts
Idler Gear 34 teeth 3rd / 4th gear Simson
Article no.: MOF-41424

Idler Gear 34 teeth 3rd / 4th gear Simson

26,00 €
Ready for dispatch shortly
Standard Parts
Fixed Gear 16 teeth 2nd gear 4-speed Simson
Article no.: MOF-41423

Fixed Gear 16 teeth 2nd gear 4-speed Simson

12,50 €
Ready for dispatch shortly
Standard Parts
Fixed Gear 19 teeth 3rd gear 4-speed Simson
Article no.: MOF-41422

Fixed Gear 19 teeth 3rd gear 4-speed Simson

13,00 €
Ready for dispatch shortly
Standard Parts
Idler Gear 44 teeth 1st gear 4-speed Simson
Article no.: MOF-41421

Idler Gear 44 teeth 1st gear 4-speed Simson

19,50 €
Ready for dispatch shortly
Standard Parts
Idler Gear 36 teeth 3rd gear 4-speed Simson
Article no.: MOF-41420

Idler Gear 36 teeth 3rd gear 4-speed Simson

19,00 €
Ready for dispatch shortly
Standard Parts
Washer / Shim gearbox 24x35x1.2mm Simson
Article no.: MOF-41410

Washer / Shim gearbox 24x35x1.2mm Simson

2,50 €
Ready for dispatch shortly
Standard Parts
Swivel Fork draw key shaft Simson
Article no.: MOF-41405

Swivel Fork draw key shaft Simson

15,50 €
Ready for dispatch shortly
Standard Parts
Locking Washer clutch basket large Simson
Article no.: MOF-41385

Locking Washer clutch basket large Simson

0,60 €
Ready for dispatch shortly
Standard Parts
Idler Gear 44 teeth 1st gear 3-speed Simson
Article no.: MOF-41368

Idler Gear 44 teeth 1st gear 3-speed Simson

19,50 €
Ready for dispatch shortly
Standard Parts
Locking Washer primary gear nut Simson
Article no.: MOF-41365

Locking Washer primary gear nut Simson

0,60 €
Ready for dispatch shortly
Standard Parts
Drive Shaft Spring Simson
Article no.: MOF-41354

Drive Shaft Spring Simson

6,00 €
Ready for dispatch shortly
Standard Parts
Spring gear shift drum lock lever 24mm Simson
Article no.: MOF-41353

Spring gear shift drum lock lever 24mm Simson

2,60 €
Ready for dispatch shortly
Standard Parts
Clutch Basket Sprocket / Primary Gear 20 teeth Simson
Article no.: MOF-41346

Clutch Basket Sprocket / Primary Gear 20 teeth Simson

14,50 €
Ready for dispatch shortly
Standard Parts
Idler Gear 34 teeth 3rd gear 3-speed Simson
Article no.: MOF-41344

Idler Gear 34 teeth 3rd gear 3-speed Simson

26,00 €
Ready for dispatch shortly
Standard Parts
Sealing Cap drive shaft Simson
Article no.: MOF-41343

Sealing Cap drive shaft Simson

7,10 €
Ready for dispatch shortly
Standard Parts
Bearing Bolt speedometer cable Motor Simson
Article no.: MOF-41340

Bearing Bolt speedometer cable Motor Simson

1,90 €
Ready for dispatch shortly
Standard Parts
Slotted Nut gear adjustment Simson
Article no.: MOF-41335

Slotted Nut gear adjustment Simson

4,00 €
Ready for dispatch shortly
Standard Parts
Idler Gear 29 teeth 4th gear 4-speed Simson
Article no.: MOF-41304

Idler Gear 29 teeth 4th gear 4-speed Simson

7,50 €
Ready for dispatch shortly
Standard Parts
Fixed Gear 27 teeth 4th gear Simson
Article no.: MOF-41303

Fixed Gear 27 teeth 4th gear Simson

7,50 €
Ready for dispatch shortly
Standard Parts
Idler Gear 30 teeth 4th gear 4-speed Simson
Article no.: MOF-41294

Idler Gear 30 teeth 4th gear 4-speed Simson

30,00 €
Ready for dispatch shortly
Standard Parts
Fixed Gear 26 teeth 4th gear Simson
Article no.: MOF-41293

Fixed Gear 26 teeth 4th gear Simson

25,00 €
Ready for dispatch shortly
Standard Parts
Front Sprocket 18 teeth 1/2x5.4 Simson
Article no.: MOF-40813

Front Sprocket 18 teeth 1/2x5.4 Simson

4,00 €
Ready for dispatch shortly
Standard Parts
Front Sprocket 16 teeth 1/2x5.4 Simson
Article no.: MOF-40811

Front Sprocket 16 teeth 1/2x5.4 Simson

4,00 €
Ready for dispatch shortly
Standard Parts
Front Sprocket 14 teeth 1/2x5.4 Simson
Article no.: MOF-40809

Front Sprocket 14 teeth 1/2x5.4 Simson

4,00 €
Ready for dispatch shortly
Standard Parts
Front Sprocket 12 teeth 1/2x5.4 Simson
Article no.: MOF-40807

Front Sprocket 12 teeth 1/2x5.4 Simson

4,00 €
Ready for dispatch shortly
Standard Parts
Rear Sprocket 34 teeth Simson
Article no.: MOF-40806

Rear Sprocket 34 teeth Simson

34,50 €
Ready for dispatch shortly
Standard Parts
Rubber Plug chain case Simson
Article no.: MOF-40789

Rubber Plug chain case Simson

0,50 €
Ready for dispatch shortly
Standard Parts
Rear Sprocket 22 teeth 415 Tomos A35
Article no.: MOF-40304

Rear Sprocket 22 teeth 415 Tomos A35

6,10 €
Ready for dispatch shortly
Standard Parts
Rear Sprocket 40 teeth (Chain 415) 6-hole Puch Ms / Mv / Vs
Article no.: MOF-40196

Rear Sprocket 40 teeth (Chain 415) 6-hole Puch Ms / Mv / Vs

16,00 €
Ready for dispatch shortly
Standard Parts
Rear Sprocket 31 teeth Puch Ms 50 / Mv 50 / Vs 50
Article no.: MOF-39847

Rear Sprocket 31 teeth Puch Ms 50 / Mv 50 / Vs 50

15,00 €
Ready for dispatch shortly
Standard Parts
Gear Shift Lever chrome Simson
Article no.: MOF-39577

Gear Shift Lever chrome Simson

11,00 €
Ready for dispatch shortly
AFAM
Rear Sprocket steel 52 teeth - 420 AFAM Yamaha DT av.92 / FS1 / Chappy
Article no.: AFAM12100-52

Rear Sprocket steel 52 teeth - 420 AFAM Yamaha DT av.92 / FS1 / Chappy

24,50 €
Ready for dispatch shortly
Buzzetti
Chain Tensioner Buzzetti Puch Maxi N
Article no.: BZA30232

Chain Tensioner Buzzetti Puch Maxi N

19,00 €
Ready for dispatch shortly
Buzzetti
Chain Tensioner Buzzetti Puch / Herkules / Kreidler / Zündapp
Article no.: BZA35228

Chain Tensioner Buzzetti Puch / Herkules / Kreidler / Zündapp

2,50 €
Ready for dispatch shortly
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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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