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Transmission

(238 products)
Moped Gearboxes Chains and Sprockets Gear Drives Transmission Accessories
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Bracket Bushings & Spacers Chain Chain accessories Chain guard Chain guide Chain kit Chain master link Chain tensioner Circlip Clutch release lever Clutch springs Front sprocket Gearbox Gearbox accessories Gearshift lever Ignition lock Pulley Pulley gear Chain rear sprocket Spring Transmission Transmission accessories Transmission gear Washer Woodruff key Bearing ball Gear selector shaft Pedal shaft Sprocket screws
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AFAM Algi Buzzetti Doppler Iris KMC Malossi MotoForce Polini RMS Schmitt Stage6 Standard Parts Swiing
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KMC
Chain KMC 106 links - 415 black
Article no.: SP-0629

Chain KMC 106 links - 415 black

9,40 €
In stock
Standard Parts
Chain Tensioner Puch Maxi
Article no.: MOF-44133

Chain Tensioner Puch Maxi

8,30 €
In stock
8,40 €
-1% Discount
Standard Parts
Chain Tensioner Set 12mm aluminium Puch / Simson / Kreidler / Sachs red
Article no.: MOF-43010/RE

Chain Tensioner Set 12mm aluminium Puch / Simson / Kreidler / Sachs red

8,00 €
In stock
9,80 €
-18% Discount
Sale
Standard Parts
Chain Tensioner Set 12mm aluminium Puch / Simson / Kreidler / Sachs blue
Article no.: MOF-43010/BL

Chain Tensioner Set 12mm aluminium Puch / Simson / Kreidler / Sachs blue

8,00 €
In stock
9,80 €
-18% Discount
Sale
Standard Parts
Rear Sprocket 48 teeth Peugeot 101 / 102
Article no.: CGN534531

Rear Sprocket 48 teeth Peugeot 101 / 102

17,00 €
In stock
Polini
Secondary Gears Polini Z=11-46 Piaggio Ciao / Si
Article no.: P202.1427

Secondary Gears Polini Z=11-46 Piaggio Ciao / Si

104,00 €
In stock
Polini
Secondary Gears Polini Z=10-47 Piaggio Ciao / Si
Article no.: P202.1426

Secondary Gears Polini Z=10-47 Piaggio Ciao / Si

105,00 €
In stock
Polini
Primary Gears Polini Z=11-23 Piaggio Ciao / Si
Article no.: P202.1425

Primary Gears Polini Z=11-23 Piaggio Ciao / Si

73,50 €
In stock
Standard Parts
Screw M8x35 galvanized 8.8 (x10)
Article no.: SP-10265

Screw M8x35 galvanized 8.8 (x10)

2,10 €
In stock
RMS
Freewheel Sprocket 18 teeth Piaggio Ciao
Article no.: R525260140

Freewheel Sprocket 18 teeth Piaggio Ciao

5,00 €
In stock
RMS
Freewheel Sprocket 16 teeth Piaggio Ciao
Article no.: R525260120

Freewheel Sprocket 16 teeth Piaggio Ciao

5,10 €
In stock
Standard Parts
Steering Lock with 2 keys Puch
Article no.: IP44179

Steering Lock with 2 keys Puch

9,00 €
In stock
9,50 €
-5% Discount
Sale
Standard Parts
Chain Guide / Frame Guard Puch Maxi S
Article no.: IP44151

Chain Guide / Frame Guard Puch Maxi S

7,70 €
In stock
Standard Parts
Rear Sprocket Premium 45 teeth Puch Maxi (cast wheel)
Article no.: IP43680

Rear Sprocket Premium 45 teeth Puch Maxi (cast wheel)

15,50 €
In stock
RRP
35,50 €
-56% Discount
Standard Parts
Pedal Chain 112 links 1/2 "x1/8" Type 410 moped
Article no.: IP44150

Pedal Chain 112 links 1/2 "x1/8" Type 410 moped

6,50 €
In stock
Standard Parts
Chain Tensioner M7x1.00 - L.35mm MBK 51 (x1)
Article no.: CGN517091

Chain Tensioner M7x1.00 - L.35mm MBK 51 (x1)

4,10 €
In stock
Algi
Rear Sprocket Screw M6x1.00 - L.20mm Peugeot 103 (alloy wheels)
Article no.: EKP-17129

Rear Sprocket Screw M6x1.00 - L.20mm Peugeot 103 (alloy wheels)

1,30 €
In stock
Standard Parts
Woodruff Key clutch basket Buzzetti 9.5x3x3.7mm Simson
Article no.: MOF-BZA30426

Woodruff Key clutch basket Buzzetti 9.5x3x3.7mm Simson

2,00 €
In stock
Standard Parts
Lock Washer shift drum lever B4 Simson
Article no.: MOF-42438

Lock Washer shift drum lever B4 Simson

0,10 €
In stock
RRP
0,20 €
-50% Discount
Standard Parts
Rear Sprocket Carrier V2 reinforced Simson
Article no.: MOF-42125

Rear Sprocket Carrier V2 reinforced Simson

17,00 €
In stock
Standard Parts
Chain Tensioner Set galvanized Simson
Article no.: MOF-41891

Chain Tensioner Set galvanized Simson

3,90 €
In stock
Standard Parts
Chain Tensioner chrome Simson
Article no.: MOF-41871

Chain Tensioner chrome Simson

4,00 €
In stock
4,50 €
-11% Discount
Standard Parts
Front Sprocket 14 teeth old version Simson
Article no.: MOF-41741

Front Sprocket 14 teeth old version Simson

9,90 €
In stock
Standard Parts
Front Sprocket 12 teeth (old version) Simson
Article no.: MOF-41739

Front Sprocket 12 teeth (old version) Simson

3,10 €
In stock
RRP
7,20 €
-57% Discount
Standard Parts
Speedometer Drive for 14 teeth front sprocket Simson
Article no.: MOF-41677

Speedometer Drive for 14 teeth front sprocket Simson

11,50 €
In stock
RRP
26,00 €
-56% Discount
Standard Parts
Gear 32 teeth 3rd gear Simson
Article no.: MOF-41574

Gear 32 teeth 3rd gear Simson

12,00 €
In stock
RRP
28,00 €
-57% Discount
Standard Parts
Gear 18 teeth 2nd gear primary transmission Simson
Article no.: MOF-41552

Gear 18 teeth 2nd gear primary transmission Simson

21,00 €
In stock
28,50 €
-26% Discount
Sale
Standard Parts
Clutch Control Lever Shaft Set Simson
Article no.: MOF-41483

Clutch Control Lever Shaft Set Simson

18,00 €
In stock
RRP
41,00 €
-56% Discount
Standard Parts
Output Shaft 4-speed gearbox 12 holes Simson
Article no.: MOF-41432

Output Shaft 4-speed gearbox 12 holes Simson

16,50 €
In stock
RRP
37,50 €
-56% Discount
Standard Parts
Lock Lever gearshift drum Simson
Article no.: MOF-41427

Lock Lever gearshift drum Simson

5,90 €
In stock
Standard Parts
Woodruff Key 3x3.7mm Simson
Article no.: MOF-41417

Woodruff Key 3x3.7mm Simson

0,70 €
In stock
Standard Parts
Bushing gearshift shaft lock lever 4-speed Simson
Article no.: MOF-41395

Bushing gearshift shaft lock lever 4-speed Simson

1,70 €
In stock
RRP
3,80 €
-55% Discount
Standard Parts
Lock Lever gearshift drum 4-speed Simson
Article no.: MOF-41364

Lock Lever gearshift drum 4-speed Simson

12,00 €
In stock
Standard Parts
Locking Washer clutch basket small Simson
Article no.: MOF-41339

Locking Washer clutch basket small Simson

1,80 €
In stock
Standard Parts
Idler Gear 31 teeth 4th gear Simson
Article no.: MOF-41292

Idler Gear 31 teeth 4th gear Simson

8,10 €
In stock
RRP
19,00 €
-57% Discount
Standard Parts
Fixed Gear 25 teeth 4th gear Simson
Article no.: MOF-41291

Fixed Gear 25 teeth 4th gear Simson

7,30 €
In stock
RRP
17,00 €
-57% Discount
Standard Parts
Spring inner gear shift lever Simson
Article no.: MOF-41290

Spring inner gear shift lever Simson

0,50 €
In stock
RRP
1,00 €
-50% Discount
Standard Parts
Washer / Shim gearbox 24x35x1.4mm Simson
Article no.: MOF-41289

Washer / Shim gearbox 24x35x1.4mm Simson

4,00 €
In stock
Standard Parts
Gear Shift Spring Simson
Article no.: MOF-41286

Gear Shift Spring Simson

2,00 €
In stock
Standard Parts
Rear Sprocket Carrier Simson
Article no.: MOF-40834

Rear Sprocket Carrier Simson

3,70 €
In stock
Standard Parts
Chain Tensioner galvanized Simson
Article no.: MOF-40816

Chain Tensioner galvanized Simson

2,50 €
In stock
Standard Parts
Front Sprocket 15 teeth 1/2x5.4 Simson
Article no.: MOF-40810

Front Sprocket 15 teeth 1/2x5.4 Simson

5,40 €
In stock
Standard Parts
Front Sprocket 13 teeth 1/2x5.4 Simson
Article no.: MOF-40808

Front Sprocket 13 teeth 1/2x5.4 Simson

5,40 €
In stock
Standard Parts
Chain 110 links 1/2x5,4 black Simson
Article no.: MOF-40804

Chain 110 links 1/2x5,4 black Simson

27,00 €
In stock
Standard Parts
Sealing Cap Gasket drive shaft Simson
Article no.: MOF-40751

Sealing Cap Gasket drive shaft Simson

1,30 €
In stock
Standard Parts
Rear Sprocket 22 teeth 415 Tomos A35
Article no.: MOF-40304

Rear Sprocket 22 teeth 415 Tomos A35

7,70 €
In stock
Standard Parts
Screw Set rear sprocket M7x25mm Tomos A35
Article no.: MOF-39730

Screw Set rear sprocket M7x25mm Tomos A35

3,20 €
In stock
AFAM
Chain Clip Master Link AFAM black A420
Article no.: AFAMRA420M

Chain Clip Master Link AFAM black A420

1,80 €
In stock
Buzzetti
Chain Tensioner Buzzetti universal cyclomoteurs 12x7x47mm
Article no.: BZA30233

Chain Tensioner Buzzetti universal cyclomoteurs 12x7x47mm

4,20 €
In stock
Standard Parts
Front Sprocket 18 teeth Puch Maxi
Article no.: MOF-28894

Front Sprocket 18 teeth Puch Maxi

1,90 €
In stock
RRP
4,40 €
-57% Discount
Standard Parts
Front Sprocket 17 teeth Puch Maxi
Article no.: MOF-28893
1

Front Sprocket 17 teeth Puch Maxi

3,80 €
In stock
Standard Parts
Front Sprocket 16 teeth Puch Maxi
Article no.: MOF-28892

Front Sprocket 16 teeth Puch Maxi

4,30 €
In stock
Standard Parts
Front Sprocket 14 teeth Puch Maxi
Article no.: MOF-28889

Front Sprocket 14 teeth Puch Maxi

5,60 €
In stock
Standard Parts
Front Sprocket 13 teeth Puch Maxi
Article no.: MOF-28890

Front Sprocket 13 teeth Puch Maxi

4,10 €
In stock
Standard Parts
Front Sprocket 12 teeth Puch Maxi
Article no.: MOF-28888

Front Sprocket 12 teeth Puch Maxi

3,70 €
In stock
Standard Parts
Front Sprocket 11 teeth Puch Maxi
Article no.: MOF-28887

Front Sprocket 11 teeth Puch Maxi

3,70 €
In stock
Standard Parts
Front Sprocket 10 teeth Puch Maxi
Article no.: MOF-28886

Front Sprocket 10 teeth Puch Maxi

3,50 €
In stock
Standard Parts
Rear Sprocket 45 teeth Puch Maxi silver
Article no.: MOF-34241

Rear Sprocket 45 teeth Puch Maxi silver

11,50 €
In stock
Standard Parts
Chain reinforced 106 links D.415 Doppler gold
Article no.: CGN504286

Chain reinforced 106 links D.415 Doppler gold

12,00 €
In stock soon
Doppler
Chain Master Link Doppler 420 black
Article no.: CGN504529

Chain Master Link Doppler 420 black

3,20 €
In stock soon
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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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