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Transmission

(2975 products)
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Bracket Bushings & Spacers Chain Chain accessories Chain guard Chain guide Chain kit Chain master link Chain roller Chain slider Chain tensioner Circlip Clutch accessories Clutch gear Clutch kit Clutch release lever Clutch springs CVT sliders Fairing Front sprocket Gearbox Gearbox accessories Gearbox bearing kit Gearshift lever Ignition lock Oil seal kit Piston pin bearing Pulley Pulley gear Chain rear sprocket Repair kit Spring Transmission Transmission accessories Transmission gear Washer Wheel axle Woodruff key Bearing ball Cable guide Fuel cap Gear selector shaft Overflow hose Pedal shaft Sprocket screws
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AFAM Algi Aprilia Avoc Beta Buzzetti Conti CPI D.I.D Derbi Doppler GY6 Hot Rods IGM Iris Italjet Jasil KMC KRM Kymco Malossi Moose Racing Moto Master MotoForce MotoForce Racing Peugeot Piaggio Polini Polisport Pro Circuit Prox Renthal RFX Rieju RMS Scar Schmitt Stage6 Stage6 R/T Standard Parts STR8 Swiing Top Performances UFO Voca Racing Volt Racing Yamaha YCF YCF Factory
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Doppler
Chain Kit aluminium Neochrome 14x53 - 420 Doppler Derbi GPR / Aprilia RS4
Article no.: CGN509943

Chain Kit aluminium Neochrome 14x53 - 420 Doppler Derbi GPR / Aprilia RS4

99,00 €
Currently not in stock
Doppler
Chain Kit aluminium Neochrome 14x53 - 420 Doppler Derbi Senda X-treme
Article no.: CGN509942

Chain Kit aluminium Neochrome 14x53 - 420 Doppler Derbi Senda X-treme

102,00 €
Currently not in stock
Doppler
Rear Sprocket 53 teeth - 420 Doppler Alu CNC Néochrome Aprilia SX 50
Article no.: CGN505504

Rear Sprocket 53 teeth - 420 Doppler Alu CNC Néochrome Aprilia SX 50

69,50 €
Currently not in stock
Doppler
Rear Sprocket 53 teeth - 428 Doppler Alu CNC neochrome Sherco Enduro 50
Article no.: CGN505499

Rear Sprocket 53 teeth - 428 Doppler Alu CNC neochrome Sherco Enduro 50

69,50 €
Currently not in stock
Doppler
Chain Kit aluminium black 13x53 - 428 Doppler Beta RR
Article no.: CGN504014

Chain Kit aluminium black 13x53 - 428 Doppler Beta RR

102,00 €
Currently not in stock
Doppler
Chain Kit aluminium black 13x53 - 420 Doppler Beta RR
Article no.: CGN504012

Chain Kit aluminium black 13x53 - 420 Doppler Beta RR

99,00 €
Currently not in stock
Doppler
Chain Kit aluminium red 13x53 - 420 Doppler Beta RR
Article no.: CGN504011

Chain Kit aluminium red 13x53 - 420 Doppler Beta RR

99,00 €
Currently not in stock
Doppler
Chain Kit aluminium black 13x53 - 420 Doppler Rieju MRT / Yamaha DT
Article no.: CGN503783

Chain Kit aluminium black 13x53 - 420 Doppler Rieju MRT / Yamaha DT

99,00 €
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
Malossi
Input Shaft Malossi Racing 10-15-18-20 teeth Vespa Smallframe
Article no.: M6716207

Input Shaft Malossi Racing 10-15-18-20 teeth Vespa Smallframe

174,00 €
Currently not in stock
RRP
179,00 €
-3% Discount
Malossi
Input Shaft Malossi Sport, 10-14-17-20 teeth, Vespa Smallframe (ET3 / ETS / PK / PK XL / V50)
Article no.: M6716696

Input Shaft Malossi Sport, 10-14-17-20 teeth, Vespa Smallframe (ET3 / ETS / PK / PK XL / V50)

167,00 €
Currently not in stock
RRP
172,00 €
-3% Discount
Malossi
Primary Gears Malossi 24/63 Vespa Cosa / PXE 200cc
Article no.: M675235

Primary Gears Malossi 24/63 Vespa Cosa / PXE 200cc

172,00 €
Currently not in stock
RRP
177,00 €
-3% Discount
Malossi
Primary Gears Malossi 23/64 Vespa Cosa / PX 125cc
Article no.: M673730

Primary Gears Malossi 23/64 Vespa Cosa / PX 125cc

172,00 €
Currently not in stock
RRP
177,00 €
-3% Discount
Malossi
Secondary Gears Malossi Piaggio Zip 50 4T 15/55
Article no.: M6711135

Secondary Gears Malossi Piaggio Zip 50 4T 15/55

88,00 €
Currently not in stock
RRP
90,00 €
-2% Discount
Malossi
Secondary Gears Malossi Piaggio Liberty 125 15/47
Article no.: M6711445

Secondary Gears Malossi Piaggio Liberty 125 15/47

66,00 €
Currently not in stock
RRP
68,00 €
-3% Discount
Malossi
Primary Gears Malossi Malossi Piaggio Ciao
Article no.: M677021

Primary Gears Malossi Malossi Piaggio Ciao

194,00 €
Currently not in stock
Malossi
Primary Gears Malossi 20/72 Aprilia Scar TPSIO 125-150cc
Article no.: M6711539

Primary Gears Malossi 20/72 Aprilia Scar TPSIO 125-150cc

154,00 €
Currently not in stock
Malossi
Primary Gears Malossi 20/46 Aprilia Leonardo 125-150cc
Article no.: M6711360

Primary Gears Malossi 20/46 Aprilia Leonardo 125-150cc

90,00 €
Currently not in stock
RRP
93,00 €
-3% Discount
Malossi
Primary Gears Malossi HTQ 13/35 Honda Camino
Article no.: MOF-M.676416

Primary Gears Malossi HTQ 13/35 Honda Camino

88,00 €
Currently not in stock
Moose Racing
Chain 428-RXP PRO-MX 96 links gold
Article no.: MRM5750096

Chain 428-RXP PRO-MX 96 links gold

33,50 €
Currently not in stock
Moose Racing
Chain 520-RXP PRO-MX 96 links gold
Article no.: MRM5740096

Chain 520-RXP PRO-MX 96 links gold

73,00 €
Currently not in stock
Moose Racing
Screw / Bolt Kit Rear Sprocket universal
Article no.: MR24011277

Screw / Bolt Kit Rear Sprocket universal

11,50 €
Currently not in stock
Moose Racing
Block for Chain Guide Moose Racing
Article no.: MR12310198

Block for Chain Guide Moose Racing

18,00 €
Currently not in stock
Moose Racing
Spare Rail for Chain Guide Moose Racing KXF 250 / 450
Article no.: MR12310197

Spare Rail for Chain Guide Moose Racing KXF 250 / 450

17,00 €
Currently not in stock
Moose Racing
Oil Seal Set countershaft Moose Racing YZF 250 after 2014
Article no.: MR09350848

Oil Seal Set countershaft Moose Racing YZF 250 after 2014

27,50 €
Currently not in stock
Moose Racing
Oil Seal Set countershaft Moose Racing TC / SX 125
Article no.: MR09350847

Oil Seal Set countershaft Moose Racing TC / SX 125

26,50 €
Currently not in stock
Moose Racing
Oil Seal Set countershaft Moose Racing KX 500
Article no.: MR09350845

Oil Seal Set countershaft Moose Racing KX 500

30,50 €
Currently not in stock
Moose Racing
Washers starlock sprocket (x10) Moose Racing KXF 450
Article no.: MR09350495

Washers starlock sprocket (x10) Moose Racing KXF 450

35,00 €
Currently not in stock
Moose Racing
Snap Rings sprocket (x10) Moose Racing SX 65 / 85
Article no.: MR09350494

Snap Rings sprocket (x10) Moose Racing SX 65 / 85

26,50 €
Currently not in stock
Moose Racing
Snap Rings sprocket (x10) Moose Racing SX / EXC 125 - 300
Article no.: MR09350493

Snap Rings sprocket (x10) Moose Racing SX / EXC 125 - 300

31,00 €
Currently not in stock
Moose Racing
Snap Rings sprocket (x10) Moose Racing KX 65 / 85
Article no.: MR09350492

Snap Rings sprocket (x10) Moose Racing KX 65 / 85

25,50 €
Currently not in stock
Moose Racing
Snap Rings sprocket (x10) Moose Racing KXF 250 / RM 250
Article no.: MR09350491

Snap Rings sprocket (x10) Moose Racing KXF 250 / RM 250

16,00 €
Currently not in stock
Moose Racing
Snap Rings sprocket (x10) Moose Racing RM-Z 450 / KX 500
Article no.: MR09350490

Snap Rings sprocket (x10) Moose Racing RM-Z 450 / KX 500

14,00 €
Currently not in stock
Moose Racing
Washers starlock sprocket (x10) Moose Racing Yamaha YZF / KXF 450
Article no.: MR09350488

Washers starlock sprocket (x10) Moose Racing Yamaha YZF / KXF 450

30,50 €
Currently not in stock
Moose Racing
Washers starlock sprocket (x10) Moose Racing Yamaha YZ 85 / 125
Article no.: MR09350487

Washers starlock sprocket (x10) Moose Racing Yamaha YZ 85 / 125

33,00 €
Currently not in stock
Moose Racing
Washers starlock sprocket (x10) Moose Racing DR-Z 400
Article no.: MR09350484

Washers starlock sprocket (x10) Moose Racing DR-Z 400

24,00 €
Currently not in stock
Moose Racing
Washers starlock sprocket (x10) Moose Racing YZ 250
Article no.: MR09350483

Washers starlock sprocket (x10) Moose Racing YZ 250

36,50 €
Currently not in stock
Moose Racing
Oil Seal Set countershaft Moose Racing RM-Z 450
Article no.: MR09350455

Oil Seal Set countershaft Moose Racing RM-Z 450

23,00 €
Currently not in stock
Moose Racing
Oil Seal Set countershaft Moose Racing RM 125
Article no.: MR09350454

Oil Seal Set countershaft Moose Racing RM 125

23,00 €
Currently not in stock
Moose Racing
Oil Seal Set countershaft Moose Racing RM-Z 250 2013-2017
Article no.: MR09350453

Oil Seal Set countershaft Moose Racing RM-Z 250 2013-2017

21,50 €
Currently not in stock
Moose Racing
Oil Seal Set countershaft Moose Racing RM 250
Article no.: MR09350452

Oil Seal Set countershaft Moose Racing RM 250

25,50 €
Currently not in stock
Moose Racing
Oil Seal Set countershaft Moose Racing YZ 250 1990-1998
Article no.: MR09350447

Oil Seal Set countershaft Moose Racing YZ 250 1990-1998

22,00 €
Currently not in stock
Moose Racing
Oil Seal Set countershaft Moose Racing YZ 250 after 1999
Article no.: MR09350446

Oil Seal Set countershaft Moose Racing YZ 250 after 1999

25,00 €
Currently not in stock
Moose Racing
Oil Seal Set countershaft Moose Racing KX 60 / 65
Article no.: MR09350444

Oil Seal Set countershaft Moose Racing KX 60 / 65

21,50 €
Currently not in stock
Moose Racing
Oil Seal Set countershaft Moose Racing KX 250
Article no.: MR09350441

Oil Seal Set countershaft Moose Racing KX 250

28,50 €
Currently not in stock
Moose Racing
Oil Seal Set countershaft Moose Racing RM-Z 250 2004-2006
Article no.: MR09350440

Oil Seal Set countershaft Moose Racing RM-Z 250 2004-2006

22,00 €
Currently not in stock
Moose Racing
Oil Seal Set countershaft Moose Racing KXF 250
Article no.: MR09350439

Oil Seal Set countershaft Moose Racing KXF 250

27,50 €
Currently not in stock
Moose Racing
Oil Seal Set countershaft Moose Racing CR 125
Article no.: MR09350437

Oil Seal Set countershaft Moose Racing CR 125

21,50 €
Currently not in stock
Moose Racing
Oil Seal Set countershaft Moose Racing CR 125 / CRF 250
Article no.: MR09350436

Oil Seal Set countershaft Moose Racing CR 125 / CRF 250

21,50 €
Currently not in stock
Moose Racing
Oil Seal Set countershaft Moose Racing SX 65
Article no.: MR09350434

Oil Seal Set countershaft Moose Racing SX 65

26,00 €
Currently not in stock
Moose Racing
Oil Seal Set countershaft Moose Racing TC / SX 65
Article no.: MR09350433

Oil Seal Set countershaft Moose Racing TC / SX 65

21,50 €
Currently not in stock
Moose Racing
Oil Seal Set countershaft Moose Racing TC / SX 85
Article no.: MR09350432

Oil Seal Set countershaft Moose Racing TC / SX 85

23,00 €
Currently not in stock
Moose Racing
Oil Seal Set countershaft Moose Racing SX / EXC 250 - 300
Article no.: MR09350431

Oil Seal Set countershaft Moose Racing SX / EXC 250 - 300

36,50 €
Currently not in stock
Moose Racing
Oil Seal Set countershaft Moose Racing SX 250 / TE 300
Article no.: MR09350430

Oil Seal Set countershaft Moose Racing SX 250 / TE 300

24,00 €
Currently not in stock
Moose Racing
Oil Seal Set countershaft Moose Racing KTM SX-F 450
Article no.: MR09350429

Oil Seal Set countershaft Moose Racing KTM SX-F 450

21,50 €
Currently not in stock
Moose Racing
Oil Seal Set countershaft Moose Racing YZF 450
Article no.: MR09350423

Oil Seal Set countershaft Moose Racing YZF 450

23,00 €
Currently not in stock
Moose Racing
Spare Rail for Chain Guide Moose Racing Aluminium / Polyurethane (all brands)
Article no.: MR12311453

Spare Rail for Chain Guide Moose Racing Aluminium / Polyurethane (all brands)

25,00 €
Currently not in stock
Moose Racing
Swingarm Slider complete Moose Racing KXF 450 Aluminium / Polyurethane
Article no.: MR12311067

Swingarm Slider complete Moose Racing KXF 450 Aluminium / Polyurethane

62,50 €
Currently not in stock
Moose Racing
Swingarm Slider complete Moose Racing CRF 250 / 450 Aluminium / Polyurethane
Article no.: MR12311066

Swingarm Slider complete Moose Racing CRF 250 / 450 Aluminium / Polyurethane

64,50 €
Currently not in stock
Moose Racing
Swingarm Slider complete Moose Racing Yamaha Aluminium / Polyurethane
Article no.: MR12311065

Swingarm Slider complete Moose Racing Yamaha Aluminium / Polyurethane

64,50 €
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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