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Transmission

(2949 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
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
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Standard Parts
Pulley aluminium 11 teeth black moped
Article no.: CGN517366

Pulley aluminium 11 teeth black moped

42,00 €
In stock
Standard Parts
Chain type 25H 136 links Pocket Bike Pista
Article no.: SP-23358

Chain type 25H 136 links Pocket Bike Pista

7,80 €
In stock
RMS
Freewheel Sprocket 18 teeth Piaggio Ciao
Article no.: R525260140

Freewheel Sprocket 18 teeth Piaggio Ciao

5,10 €
In stock
RMS
Freewheel Sprocket 16 teeth Piaggio Ciao
Article no.: R525260120

Freewheel Sprocket 16 teeth Piaggio Ciao

4,80 €
In stock
Standard Parts
Steering Lock with 2 keys Puch
Article no.: IP44179

Steering Lock with 2 keys Puch

10,50 €
In stock
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)

18,00 €
In stock
RRP
35,50 €
-49% 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

6,60 €
In stock
Voca Racing
Gearbox Voca Racing Minarelli AM6
Article no.: VCR-RD77188.CC

Gearbox Voca Racing Minarelli AM6

475,00 €
In stock
RRP
534,00 €
-11% Discount
Avoc
Chain Tensioners (x2) Avoc Orange KTM Duke 125
Article no.: AVOC-181854

Chain Tensioners (x2) Avoc Orange KTM Duke 125

20,50 €
In stock
Doppler
Rear Sprocket 53 teeth - 420 Doppler aluminium CNC red Fantic Caballero before 2015
Article no.: CGN515220

Rear Sprocket 53 teeth - 420 Doppler aluminium CNC red Fantic Caballero before 2015

52,50 €
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
KRM
Ceramic Ball for clutch rod KRM Minarelli AM6
Article no.: KR540F

Ceramic Ball for clutch rod KRM Minarelli AM6

6,60 €
In stock
Pro Circuit
Chain Tensioners / Axle Blocks Pro Circuit red CR / CRF 2000-2008
Article no.: PC-HAB00

Chain Tensioners / Axle Blocks Pro Circuit red CR / CRF 2000-2008

39,00 €
In stock
RRP
77,00 €
-49% Discount
Derbi
Chain Tensioner Plate (x1) Derbi DRD Racing
Article no.: OE-DE00H01301471

Chain Tensioner Plate (x1) Derbi DRD Racing

23,00 €
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)

1,10 €
In stock
Doppler
Plate f. rear sprocket Doppler aluminium black Peugeot 103
Article no.: CGN512883

Plate f. rear sprocket Doppler aluminium black Peugeot 103

57,00 €
In stock
58,50 €
-3% Discount
Sale
Conti
Rear Sprocket bi-metal red 53 teeth - 420 Conti CHR Aprilia SX 50
Article no.: CGN513622

Rear Sprocket bi-metal red 53 teeth - 420 Conti CHR Aprilia SX 50

71,00 €
In stock
Conti
Rear Sprocket bimetal red 53 teeth - 428 Conti CHR Beta RR
Article no.: CGN513620

Rear Sprocket bimetal red 53 teeth - 428 Conti CHR Beta RR

70,50 €
In stock
Doppler
Rear Sprocket steel 53 teeth - 420 Doppler Derbi DRD Pro
Article no.: CGN509884

Rear Sprocket steel 53 teeth - 420 Doppler Derbi DRD Pro

28,00 €
In stock
34,50 €
-19% Discount
Sale
Doppler
Rear Sprocket steel 53 teeth - 428 Doppler Origin Beta RR
Article no.: CGN509882

Rear Sprocket steel 53 teeth - 428 Doppler Origin Beta RR

34,50 €
In stock
Moto Master
Bolts f. rear sprocket Moto Master M8x26 (x6)
Article no.: MMAST-24011074

Bolts f. rear sprocket Moto Master M8x26 (x6)

11,00 €
In stock
Moto Master
Bolts f. rear sprocket Moto Master M8x30 (x6)
Article no.: MMAST-24011073

Bolts f. rear sprocket Moto Master M8x30 (x6)

12,00 €
In stock
Top Performances
Secondary Gears 15/41 Top Performances Yamaha Aerox / BW's
Article no.: T9909520
7

Secondary Gears 15/41 Top Performances Yamaha Aerox / BW's

95,00 €
In stock
Moto Master
Chain Moto Master X-Ring V6-520G 120 links (press links)
Article no.: MMAST-12231558

Chain Moto Master X-Ring V6-520G 120 links (press links)

86,00 €
In stock
Moto Master
Chain Moto Master GP-520 GOLD 120 links (clip links)
Article no.: MMAST-12200451

Chain Moto Master GP-520 GOLD 120 links (clip links)

91,00 €
In stock
Moto Master
Chain Moto Master MX V2-520G 120 links (clip links)
Article no.: MMAST-12200449

Chain Moto Master MX V2-520G 120 links (clip links)

78,50 €
In stock
Moto Master
Front Sprocket Moto Master 428 14 teeth TC / SX 85 after 2018
Article no.: MMAST-12121570

Front Sprocket Moto Master 428 14 teeth TC / SX 85 after 2018

15,00 €
In stock
Moto Master
Front Sprocket Moto Master 520 13 teeth GasGas / Rieju
Article no.: MMAST-12121538

Front Sprocket Moto Master 520 13 teeth GasGas / Rieju

18,50 €
In stock
Moto Master
Front Sprocket Moto Master 520 13 teeth RM-Z 250 after 2013
Article no.: MMAST-12121527

Front Sprocket Moto Master 520 13 teeth RM-Z 250 after 2013

15,50 €
In stock
Moto Master
Front Sprocket Moto Master 520 13 teeth RM 125 1981 - 2008
Article no.: MMAST-12121506

Front Sprocket Moto Master 520 13 teeth RM 125 1981 - 2008

7,80 €
In stock
RRP
15,50 €
-50% Discount
Moto Master
Front Sprocket Moto Master 520 13 teeth YZ 125 1987 - 2004
Article no.: MMAST-12121503

Front Sprocket Moto Master 520 13 teeth YZ 125 1987 - 2004

17,50 €
In stock
Moto Master
Front Sprocket Moto Master 428 13 teeth TC / SX 85 2004-2017
Article no.: MMAST-12121490

Front Sprocket Moto Master 428 13 teeth TC / SX 85 2004-2017

15,50 €
In stock
Moto Master
Front Sprocket Moto Master 428 12 teeth TC / SX 85
Article no.: MMAST-12121489

Front Sprocket Moto Master 428 12 teeth TC / SX 85

15,50 €
In stock
Moto Master
Front Sprocket Moto Master 520 15 teeth KTM / Husqvarna / Beta / GasGas
Article no.: MMAST-12121485

Front Sprocket Moto Master 520 15 teeth KTM / Husqvarna / Beta / GasGas

18,50 €
In stock
Moto Master
Front Sprocket Moto Master 520 14 teeth KTM / Husqvarna / Beta / GasGas
Article no.: MMAST-12121484

Front Sprocket Moto Master 520 14 teeth KTM / Husqvarna / Beta / GasGas

15,50 €
In stock
Moto Master
Front Sprocket Moto Master 520 13 teeth KTM / Husqvarna / Beta / GasGas
Article no.: MMAST-12121483

Front Sprocket Moto Master 520 13 teeth KTM / Husqvarna / Beta / GasGas

15,50 €
In stock
Moto Master
Front Sprocket Moto Master 520 15 teeth YZ 125 / 250
Article no.: MMAST-12121481

Front Sprocket Moto Master 520 15 teeth YZ 125 / 250

19,00 €
In stock
Moto Master
Front Sprocket Moto Master 520 12 teeth YZ 125 / 250
Article no.: MMAST-12121478

Front Sprocket Moto Master 520 12 teeth YZ 125 / 250

7,80 €
In stock
RRP
15,50 €
-50% Discount
Moto Master
Front Sprocket Moto Master 520 13 teeth YZF 250 / 450
Article no.: MMAST-12121476

Front Sprocket Moto Master 520 13 teeth YZF 250 / 450

16,00 €
In stock
Moto Master
Rear Sprocket Moto Master 420 aluminium 47 teeth black YZ 65
Article no.: MMAST-12112498

Rear Sprocket Moto Master 420 aluminium 47 teeth black YZ 65

30,00 €
In stock
RRP
48,50 €
-38% Discount
Moto Master
Rear Sprocket Moto Master 520 aluminium 48 teeth blue TM Racing MX / EN
Article no.: MMAST-12112455

Rear Sprocket Moto Master 520 aluminium 48 teeth blue TM Racing MX / EN

48,50 €
In stock
Moto Master
Rear Sprocket Moto Master 520 aluminium 49 teeth orange KTM Freeride
Article no.: MMAST-12112436

Rear Sprocket Moto Master 520 aluminium 49 teeth orange KTM Freeride

51,00 €
In stock
Moto Master
Rear Sprocket Moto Master 520 aluminium 50 teeth black KTM Freeride
Article no.: MMAST-12112431

Rear Sprocket Moto Master 520 aluminium 50 teeth black KTM Freeride

25,00 €
In stock
RRP
50,00 €
-50% Discount
Moto Master
Rear Sprocket Moto Master 520 aluminium 46 teeth black KTM Freeride
Article no.: MMAST-12112427

Rear Sprocket Moto Master 520 aluminium 46 teeth black KTM Freeride

52,00 €
In stock
Moto Master
Rear Sprocket Moto Master 420 aluminium 48 teeth orange TC / SX 65
Article no.: MMAST-12112383

Rear Sprocket Moto Master 420 aluminium 48 teeth orange TC / SX 65

54,00 €
In stock
Moto Master
Rear Sprocket Moto Master 520 Fusion 48 teeth Beta RR 350 black
Article no.: MMAST-12112349

Rear Sprocket Moto Master 520 Fusion 48 teeth Beta RR 350 black

37,00 €
In stock
RRP
73,50 €
-50% Discount
Moto Master
Rear Sprocket Moto Master 520 aluminium 48 teeth blue Sherco / Beta
Article no.: MMAST-12112344

Rear Sprocket Moto Master 520 aluminium 48 teeth blue Sherco / Beta

54,00 €
In stock
Moto Master
Rear Sprocket Moto Master 520 aluminium 52 teeth black Sherco / Beta
Article no.: MMAST-12112332

Rear Sprocket Moto Master 520 aluminium 52 teeth black Sherco / Beta

54,00 €
In stock
Moto Master
Rear Sprocket Moto Master 520 Fusion 49 teeth blue YZ / YZF
Article no.: MMAST-12112321

Rear Sprocket Moto Master 520 Fusion 49 teeth blue YZ / YZF

77,50 €
In stock
Moto Master
Rear Sprocket Moto Master 520 Fusion 48 teeth black YZ / YZF
Article no.: MMAST-12112315

Rear Sprocket Moto Master 520 Fusion 48 teeth black YZ / YZF

37,00 €
In stock
RRP
73,50 €
-50% Discount
Moto Master
Rear Sprocket Moto Master 520 aluminium 51 teeth blue YZ / YZF
Article no.: MMAST-12112312

Rear Sprocket Moto Master 520 aluminium 51 teeth blue YZ / YZF

54,00 €
In stock
Moto Master
Rear Sprocket Moto Master 520 aluminium 44 teeth blue YZ / YZF
Article no.: MMAST-12112305

Rear Sprocket Moto Master 520 aluminium 44 teeth blue YZ / YZF

50,00 €
In stock
Moto Master
Rear Sprocket Moto Master 520 aluminium 41 teeth blue YZ / YZF
Article no.: MMAST-12112302

Rear Sprocket Moto Master 520 aluminium 41 teeth blue YZ / YZF

52,00 €
In stock
Moto Master
Rear Sprocket Moto Master 520 aluminium 53 teeth black YZ / YZF
Article no.: MMAST-12112301

Rear Sprocket Moto Master 520 aluminium 53 teeth black YZ / YZF

60,50 €
In stock
Moto Master
Rear Sprocket Moto Master 520 aluminium 52 teeth black YZ / YZF
Article no.: MMAST-12112300

Rear Sprocket Moto Master 520 aluminium 52 teeth black YZ / YZF

54,00 €
In stock
Moto Master
Rear Sprocket Moto Master 520 aluminium 50 teeth black YZ / YZF
Article no.: MMAST-12112298

Rear Sprocket Moto Master 520 aluminium 50 teeth black YZ / YZF

52,00 €
In stock
Moto Master
Rear Sprocket Moto Master 520 aluminium 49 teeth black YZ / YZF
Article no.: MMAST-12112297

Rear Sprocket Moto Master 520 aluminium 49 teeth black YZ / YZF

54,00 €
In stock
Moto Master
Rear Sprocket Moto Master 520 aluminium 47 teeth black YZ / YZF
Article no.: MMAST-12112295

Rear Sprocket Moto Master 520 aluminium 47 teeth black YZ / YZF

52,00 €
In stock
Moto Master
Rear Sprocket Moto Master 428 Fusion 47 teeth black TC / SX 85
Article no.: MMAST-12112275

Rear Sprocket Moto Master 428 Fusion 47 teeth black TC / SX 85

74,00 €
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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