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Transmission

(586 products)
50cc Bike Gearboxes Chains and Sprockets Gear Drives Transmission Accessories
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Product type
Chain Chain accessories Chain guard Chain guide Chain kit Chain master link Chain roller Chain slider Chain tensioner Clutch accessories Clutch kit Crankshaft accessories Fairing Front sprocket Gearbox Gearbox accessories Gearbox bearing kit Chain rear sprocket Screws other Transmission accessories Transmission gear
Brand
AFAM Avoc Beta Conti Derbi Doppler IGM Jasil KRM Moose Racing MotoForce MotoForce Racing Piaggio Polisport Rieju Stage6 Standard Parts STR8 Top Performances Voca Racing Yamaha
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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 red 13x53 - 420 Doppler Beta RR
Article no.: CGN504011

Chain Kit aluminium red 13x53 - 420 Doppler Beta RR

99,00 €
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
Top Performances
Primary Gear Shaft Top Performances Minarelli AM6 V1
Article no.: TAM00001

Primary Gear Shaft Top Performances Minarelli AM6 V1

96,50 €
Currently not in stock
Standard Parts
Clutch Gear 69 teeth Pit Bike Lifan / YX 50cc - 125cc
Article no.: MB3003

Clutch Gear 69 teeth Pit Bike Lifan / YX 50cc - 125cc

48,00 €
Currently not in stock
Standard Parts
Clutch Disc (x1) Honda Dax 50cc
Article no.: MF89.19901

Clutch Disc (x1) Honda Dax 50cc

3,10 €
Currently not in stock
AFAM
Chain Kit Afam 12x52 - 420 Gas Gas Rookie 50cc
Article no.: AFAM85

Chain Kit Afam 12x52 - 420 Gas Gas Rookie 50cc

53,50 €
Currently not in stock
Standard Parts
Chain Guard reinforced Motorhispania / Peugeot XPS aluminium black
Article no.: STR-730.13/BK

Chain Guard reinforced Motorhispania / Peugeot XPS aluminium black

21,50 €
Currently not in stock
Standard Parts
Rear Sprocket steel 60 teeth 420 Yamaha DT X SM
Article no.: SP-37416

Rear Sprocket steel 60 teeth 420 Yamaha DT X SM

21,00 €
Currently not in stock
Rieju
Rear Sprocket Rieju 60 Z SMX / RRX / Spike-X Power Up
Article no.: OE-RIE0/000.500.5030

Rear Sprocket Rieju 60 Z SMX / RRX / Spike-X Power Up

45,00 €
Currently not in stock
Standard Parts
Rear Sprocket IGM Rieju SMX "06 62mm 5 hole 60Z Power Up
Article no.: SP-1375-8310

Rear Sprocket IGM Rieju SMX "06 62mm 5 hole 60Z Power Up

13,50 €
Currently not in stock
Standard Parts
Rear Sprocket IGM Rieju RS2 Matrix 55mm 3 hole 46 teeth
Article no.: SP-85842

Rear Sprocket IGM Rieju RS2 Matrix 55mm 3 hole 46 teeth

12,00 €
Currently not in stock
AFAM
Chain Master Link rivet for motocross chain AFAM A420MX2G
Article no.: AFAMMRA420MX2-G

Chain Master Link rivet for motocross chain AFAM A420MX2G

3,80 €
Currently not in stock
AFAM
Chain Master Link rivet for motocross chain AFAM A428MXG
Article no.: AFAMMRA428MX-G

Chain Master Link rivet for motocross chain AFAM A428MXG

5,40 €
Currently not in stock
AFAM
Chain motocross AFAM A428MXG - clip
Article no.: AFAMA428MX-G

Chain motocross AFAM A428MXG - clip

from 56,00 €
Currently not in stock
58,00 €
-3% Discount
AFAM
Front Sprocket AFAM 13 teeth 420 Morini
Article no.: AFAM58102-13

Front Sprocket AFAM 13 teeth 420 Morini

7,70 €
Currently not in stock
AFAM
Chain Kit AFAM 12x56 Beta RR 1999 - 2001
Article no.: AFAMKS-A-149

Chain Kit AFAM 12x56 Beta RR 1999 - 2001

73,00 €
Currently not in stock
AFAM
Chain Kit AFAM 12x47 Yamaha TZR avat 2000
Article no.: AFAMKS-A-100

Chain Kit AFAM 12x47 Yamaha TZR avat 2000

44,00 €
Currently not in stock
AFAM
Chain Kit AFAM 11x62 HM-Moto CRE
Article no.: AFAMKS-A-147

Chain Kit AFAM 11x62 HM-Moto CRE

83,00 €
Currently not in stock
AFAM
Chain Kit AFAM 11x60 Motorhispania RX
Article no.: AFAMKS-A-135

Chain Kit AFAM 11x60 Motorhispania RX

53,50 €
Currently not in stock
AFAM
Chain Kit AFAM 11x53 Derbi Senda
Article no.: AFAMKS-A-75

Chain Kit AFAM 11x53 Derbi Senda

41,50 €
Currently not in stock
AFAM
Chain Kit AFAM 11x52 Motorhispania RX after 2007
Article no.: AFAMKS-A-133

Chain Kit AFAM 11x52 Motorhispania RX after 2007

47,50 €
Currently not in stock
AFAM
Chain Kit AFAM 11x51 Aprilia RX50 Racing
Article no.: AFAMKS-A-175

Chain Kit AFAM 11x51 Aprilia RX50 Racing

45,50 €
Currently not in stock
AFAM
Chain Kit AFAM 11x48 Yamaha DT 2003 - 2006
Article no.: AFAMKS-A-118

Chain Kit AFAM 11x48 Yamaha DT 2003 - 2006

39,50 €
Currently not in stock
AFAM
Chain Kit AFAM 11x47 Rieju RS2
Article no.: AFAMKS-A-127

Chain Kit AFAM 11x47 Rieju RS2

42,50 €
Currently not in stock
AFAM
Chain Kit AFAM 11x47 Aprilia RS before 2005
Article no.: AFAMKS-A-112

Chain Kit AFAM 11x47 Aprilia RS before 2005

44,00 €
Currently not in stock
AFAM
Rear Sprocket steel 62 teeth - 428 AFAM HM Derapage
Article no.: AFAM48200-62

Rear Sprocket steel 62 teeth - 428 AFAM HM Derapage

59,50 €
Currently not in stock
AFAM
Rear Sprocket steel 48 teeth - 420 AFAM Derbi Fenix
Article no.: AFAM47101-48

Rear Sprocket steel 48 teeth - 420 AFAM Derbi Fenix

66,00 €
Currently not in stock
AFAM
Rear Sprocket steel 44 teeth - 420 AFAM Rieju RS1
Article no.: AFAM80101-44

Rear Sprocket steel 44 teeth - 420 AFAM Rieju RS1

20,00 €
Currently not in stock
AFAM
Rear Sprocket steel 43 teeth - 415 AFAM Aprilia RS50 before 1998
Article no.: AFAM35100-43

Rear Sprocket steel 43 teeth - 415 AFAM Aprilia RS50 before 1998

40,50 €
Currently not in stock
AFAM
Chain AFAM XS-Ring reinforced gold 428 XMR-G 130 links
Article no.: AFAM428XMR-G-130

Chain AFAM XS-Ring reinforced gold 428 XMR-G 130 links

66,00 €
Currently not in stock
AFAM
Chain AFAM XS-Ring reinforced gold 428 XMR-G 124 links
Article no.: AFAM428XMR-G-124

Chain AFAM XS-Ring reinforced gold 428 XMR-G 124 links

63,00 €
Currently not in stock
Derbi
Front Sprocket 11 teeth Derbi Euro2 / Euro3 / Euro4
Article no.: OE-DE00H02808371

Front Sprocket 11 teeth Derbi Euro2 / Euro3 / Euro4

18,50 €
Currently not in stock
Yamaha
Transmission Gear Shaft Minarelli AM6
Article no.: OE-AM4YVE74210000

Transmission Gear Shaft Minarelli AM6

174,00 €
Currently not in stock
Yamaha
Transmission Gear Shaft Minarelli AM6
Article no.: OE-AM4YVE74111000

Transmission Gear Shaft Minarelli AM6

174,00 €
Currently not in stock
Yamaha
Gear 6th 24 teeth Minarelli AM6
Article no.: OE-AM4YVE72610000

Gear 6th 24 teeth Minarelli AM6

120,00 €
Currently not in stock
Yamaha
Gear 5th 25 teeth Minarelli AM6
Article no.: OE-AM4YVE72510000

Gear 5th 25 teeth Minarelli AM6

120,00 €
Currently not in stock
Yamaha
Gear 4th 27 teeth Minarelli AM6
Article no.: OE-AM4YVE72410000

Gear 4th 27 teeth Minarelli AM6

97,00 €
Currently not in stock
Yamaha
Gear 3rd 29 teeth Minarelli AM6
Article no.: OE-AM4YVE72310000

Gear 3rd 29 teeth Minarelli AM6

97,00 €
Currently not in stock
Yamaha
Gear 2nd Minarelli AM6
Article no.: OE-AM4YVE72210000

Gear 2nd Minarelli AM6

97,00 €
Currently not in stock
Yamaha
Gear 1st 36 teeth Minarelli AM6
Article no.: OE-AM4YVE72111000

Gear 1st 36 teeth Minarelli AM6

97,00 €
Currently not in stock
Yamaha
Gear 6th 25 teeth Minarelli AM6
Article no.: OE-AM4YVE71610000

Gear 6th 25 teeth Minarelli AM6

97,00 €
Currently not in stock
Yamaha
Gear 5th 24 teeth Minarelli AM6
Article no.: OE-AM4YVE71510000

Gear 5th 24 teeth Minarelli AM6

97,00 €
Currently not in stock
Yamaha
Gear 3rd and 4th 19/22 teeth Minarelli AM6
Article no.: OE-AM4YVE71311000

Gear 3rd and 4th 19/22 teeth Minarelli AM6

120,00 €
Currently not in stock
Yamaha
Gear 2nd 24 teeth Minarelli AM6
Article no.: OE-AM4YVE71211000

Gear 2nd 24 teeth Minarelli AM6

120,00 €
Currently not in stock
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5678910

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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