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Transmission

(2949 products)
Gearboxes Chains and Sprockets Gear Drives Transmission Accessories
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Product type
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
Brand
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
Price
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Standard Parts
Chain Drive 14 parts Simson
Article no.: MOF-44479

Chain Drive 14 parts Simson

92,00 €
Currently not in stock
Standard Parts
Chain Drive 14 parts Simson
Article no.: MOF-43937

Chain Drive 14 parts Simson

98,50 €
Currently not in stock
Standard Parts
Chain Drive 14 parts Simson
Article no.: MOF-43938

Chain Drive 14 parts Simson

82,00 €
Currently not in stock
Standard Parts
Driver Set elastic Puch ZA50 gearbox
Article no.: MOF-43795

Driver Set elastic Puch ZA50 gearbox

35,00 €
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
Gear Selector Shaft Simson
Article no.: MOF-41556

Gear Selector Shaft Simson

31,50 €
Currently not in stock
Swiing
Gearshift Shaft swiing Puch Z50
Article no.: MOF-43805

Gearshift Shaft swiing Puch Z50

21,00 €
Currently not in stock
Polini
Secondary Gears Polini 16/42 Vespa GTS / Primavera / Sprint 125 / 150 Euro 4/5
Article no.: P202.1416

Secondary Gears Polini 16/42 Vespa GTS / Primavera / Sprint 125 / 150 Euro 4/5

105,00 €
Currently not in stock
Polini
Secondary Gears Polini 16/42 Vespa GTS / Primavera / Sprint 125 / 150 Euro 3
Article no.: P202.1415

Secondary Gears Polini 16/42 Vespa GTS / Primavera / Sprint 125 / 150 Euro 3

93,00 €
Currently not in stock
Polini
Secondary Gears Polini 14/48 with wheel shaft with buffers Piaggio after 1998
Article no.: P202.1409

Secondary Gears Polini 14/48 with wheel shaft with buffers Piaggio after 1998

376,00 €
Currently not in stock
Polini
Secondary Gears Polini 14/43 Vespa 50 IGET Euro 5
Article no.: P202.1424

Secondary Gears Polini 14/43 Vespa 50 IGET Euro 5

89,50 €
Currently not in stock
Polini
Secondary Gears Polini PGO Big Max / T-Rex 50
Article no.: P202.1421

Secondary Gears Polini PGO Big Max / T-Rex 50

79,50 €
Currently not in stock
Polini
Primary Gears Polini 18/69 Aprilia Scarabeo 125 / 150 Rotax
Article no.: P202.1377

Primary Gears Polini 18/69 Aprilia Scarabeo 125 / 150 Rotax

116,00 €
Currently not in stock
Polini
Primary Gears Polini 17/41 Cagiva City
Article no.: P202.1334

Primary Gears Polini 17/41 Cagiva City

57,50 €
Currently not in stock
Polini
Primary Gears Polini 14/43 Italjet Pista
Article no.: P202.1318

Primary Gears Polini 14/43 Italjet Pista

59,00 €
Currently not in stock
Pro Circuit
Chain Tensioners / Axle Blocks Pro Circuit bronze KXF / RM-Z
Article no.: PC-12310268

Chain Tensioners / Axle Blocks Pro Circuit bronze KXF / RM-Z

77,00 €
Currently not in stock
Pro Circuit
Chain Tensioners / Axle Blocks Pro Circuit red CRF 2009-2017
Article no.: PC-12310217

Chain Tensioners / Axle Blocks Pro Circuit red CRF 2009-2017

77,00 €
Currently not in stock
Pro Circuit
Chain Tensioners / Axle Blocks Pro Circuit red CRF 150
Article no.: PC-12310106

Chain Tensioners / Axle Blocks Pro Circuit red CRF 150

77,00 €
Currently not in stock
Prox
Front Sprocket Prox 14 teeth CRF 250 after 2018
Article no.: PROX-12102214

Front Sprocket Prox 14 teeth CRF 250 after 2018

16,00 €
Currently not in stock
Prox
Front Sprocket Prox 13 teeth CRF 250 after 2018
Article no.: PROX-12102213

Front Sprocket Prox 13 teeth CRF 250 after 2018

16,00 €
Currently not in stock
Prox
Front Sprocket Prox 12 teeth CRF 250 after 2018
Article no.: PROX-12102212

Front Sprocket Prox 12 teeth CRF 250 after 2018

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 428 13 teeth TC / SX 85 after 2018
Article no.: MMAST-12121569

Front Sprocket Moto Master 428 13 teeth TC / SX 85 after 2018

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 420 15 teeth YZ 65
Article no.: MMAST-12121568

Front Sprocket Moto Master 420 15 teeth YZ 65

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 420 13 teeth YZ 65
Article no.: MMAST-12121566

Front Sprocket Moto Master 420 13 teeth YZ 65

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 13 teeth Sherco SE-R 250 / 300
Article no.: MMAST-12121542

Front Sprocket Moto Master 520 13 teeth Sherco SE-R 250 / 300

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 12 teeth GasGas / Rieju
Article no.: MMAST-12121537

Front Sprocket Moto Master 520 12 teeth GasGas / Rieju

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 14 teeth TM Racing 250 / 300
Article no.: MMAST-12121536

Front Sprocket Moto Master 520 14 teeth TM Racing 250 / 300

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 13 teeth TM Racing 250 / 300
Article no.: MMAST-12121535

Front Sprocket Moto Master 520 13 teeth TM Racing 250 / 300

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 13 teeth TM Racing 125 / 144
Article no.: MMAST-12121532

Front Sprocket Moto Master 520 13 teeth TM Racing 125 / 144

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 12 teeth TM Racing 125 / 144
Article no.: MMAST-12121531

Front Sprocket Moto Master 520 12 teeth TM Racing 125 / 144

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 14 teeth RM-Z 450 after 2013
Article no.: MMAST-12121530

Front Sprocket Moto Master 520 14 teeth RM-Z 450 after 2013

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 13 teeth RM-Z 450 after 2013
Article no.: MMAST-12121529

Front Sprocket Moto Master 520 13 teeth RM-Z 450 after 2013

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 12 teeth RM-Z 250 after 2013
Article no.: MMAST-12121526

Front Sprocket Moto Master 520 12 teeth RM-Z 250 after 2013

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 14 teeth TC / TE 449
Article no.: MMAST-12121525

Front Sprocket Moto Master 520 14 teeth TC / TE 449

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 13 teeth TC / TE 449
Article no.: MMAST-12121524

Front Sprocket Moto Master 520 13 teeth TC / TE 449

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 15 teeth TC / TE 250
Article no.: MMAST-12121523

Front Sprocket Moto Master 520 15 teeth TC / TE 250

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 14 teeth TC / TE 250
Article no.: MMAST-12121522

Front Sprocket Moto Master 520 14 teeth TC / TE 250

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 13 teeth TC / TE 250
Article no.: MMAST-12121521

Front Sprocket Moto Master 520 13 teeth TC / TE 250

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 15 teeth CR / WR 250
Article no.: MMAST-12121520

Front Sprocket Moto Master 520 15 teeth CR / WR 250

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 14 teeth CR / WR 250
Article no.: MMAST-12121519

Front Sprocket Moto Master 520 14 teeth CR / WR 250

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 13 teeth CR / WR 250
Article no.: MMAST-12121518

Front Sprocket Moto Master 520 13 teeth CR / WR 250

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 12 teeth CR / WR 250
Article no.: MMAST-12121517

Front Sprocket Moto Master 520 12 teeth CR / WR 250

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 13 teeth CR / WR 125
Article no.: MMAST-12121515

Front Sprocket Moto Master 520 13 teeth CR / WR 125

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 420 13 teeth KX 85
Article no.: MMAST-12121513

Front Sprocket Moto Master 420 13 teeth KX 85

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 14 teeth RM-Z 450 2005 - 2012
Article no.: MMAST-12121512

Front Sprocket Moto Master 520 14 teeth RM-Z 450 2005 - 2012

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 13 teeth RM-Z 450 2005 - 2012
Article no.: MMAST-12121511

Front Sprocket Moto Master 520 13 teeth RM-Z 450 2005 - 2012

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 12 teeth RM-Z 450 2005 - 2012
Article no.: MMAST-12121510

Front Sprocket Moto Master 520 12 teeth RM-Z 450 2005 - 2012

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 14 teeth RM 250 1982 - 2008
Article no.: MMAST-12121509

Front Sprocket Moto Master 520 14 teeth RM 250 1982 - 2008

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 13 teeth RM 250 1982 - 2008
Article no.: MMAST-12121508

Front Sprocket Moto Master 520 13 teeth RM 250 1982 - 2008

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 14 teeth RM 125 1981 - 2008
Article no.: MMAST-12121507

Front Sprocket Moto Master 520 14 teeth RM 125 1981 - 2008

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 12 teeth RM 125 1981 - 2008
Article no.: MMAST-12121505

Front Sprocket Moto Master 520 12 teeth RM 125 1981 - 2008

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 14 teeth YZ 125 1987 - 2004
Article no.: MMAST-12121504

Front Sprocket Moto Master 520 14 teeth YZ 125 1987 - 2004

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 520 12 teeth YZ 125 1987 - 2004
Article no.: MMAST-12121502

Front Sprocket Moto Master 520 12 teeth YZ 125 1987 - 2004

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 428 14 teeth RM 85
Article no.: MMAST-12121501

Front Sprocket Moto Master 428 14 teeth RM 85

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 428 13 teeth RM 85
Article no.: MMAST-12121500

Front Sprocket Moto Master 428 13 teeth RM 85

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 428 13 teeth YZ 85
Article no.: MMAST-12121498

Front Sprocket Moto Master 428 13 teeth YZ 85

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 420 15 teeth CRF 150
Article no.: MMAST-12121497

Front Sprocket Moto Master 420 15 teeth CRF 150

16,00 €
Currently not in stock
Moto Master
Front Sprocket Moto Master 420 14 teeth CRF 150
Article no.: MMAST-12121496

Front Sprocket Moto Master 420 14 teeth CRF 150

16,00 €
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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