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Transmission

(144 products)
Pitbike Gearboxes Chains and Sprockets Gear Drives Transmission Accessories
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Product type
Chain Chain accessories Chain guard Chain guide Chain master link Chain roller Chain slider Chain tensioner Clutch accessories CVT sliders Front sprocket Gearbox Gearbox accessories Pulley gear Chain rear sprocket Screws other Transmission accessories
Brand
AFAM Doppler Moose Racing MotoForce Stage6 Standard Parts Volt Racing YCF YCF Factory
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Volt Racing
Chain Tensioner aluminium CNC d.15mm Volt Racing Pit Bike / Dirt Bike
Article no.: MB_TENSIOCNCVOLT/COLOR

Chain Tensioner aluminium CNC d.15mm Volt Racing Pit Bike / Dirt Bike

16,00 €
Currently not in stock
Standard Parts
Chain Tensioner d.12,5mm Pit Bike / Dirt Bike
Article no.: MB8292

Chain Tensioner d.12,5mm Pit Bike / Dirt Bike

5,30 €
Currently not in stock
Standard Parts
Swingarm Slider Pit Bike / Dirt Bike Apollo green
Article no.: MB7506

Swingarm Slider Pit Bike / Dirt Bike Apollo green

8,00 €
Currently not in stock
Standard Parts
Chain Guide PTFE screw spacing 33mm red Pit Bike / Dirt Bike
Article no.: MB3262

Chain Guide PTFE screw spacing 33mm red Pit Bike / Dirt Bike

11,50 €
Currently not in stock
Standard Parts
Chain Guide screw spacing 33mm orange Pit Bike / Dirt Bike
Article no.: MB7145

Chain Guide screw spacing 33mm orange Pit Bike / Dirt Bike

20,50 €
Currently not in stock
Standard Parts
Chain Guide screw spacing 33mm blue Pit Bike / Dirt Bike
Article no.: MB7143

Chain Guide screw spacing 33mm blue Pit Bike / Dirt Bike

20,50 €
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
Secondary Gears Pit Bike 125cc / 138cc / 140cc / 150cc Lifan - d.17mm
Article no.: MB3434

Secondary Gears Pit Bike 125cc / 138cc / 140cc / 150cc Lifan - d.17mm

63,00 €
Currently not in stock
Standard Parts
Primary Gears start in neutral Pit Bike 125cc Lifan
Article no.: MB3431

Primary Gears start in neutral Pit Bike 125cc Lifan

52,00 €
Currently not in stock
Standard Parts
Gear Selector Shaft 145mm Pit Bike / Dirt Bike
Article no.: MB7817

Gear Selector Shaft 145mm Pit Bike / Dirt Bike

29,00 €
Currently not in stock
YCF
Chain Tensioners Pit Bike YCF 50cc
Article no.: YCF-50-1021-01

Chain Tensioners Pit Bike YCF 50cc

6,30 €
Currently not in stock
YCF
Front Sprocket 10 teeth Pit Bike YCF50E
Article no.: MBRS35-10T

Front Sprocket 10 teeth Pit Bike YCF50E

11,00 €
Currently not in stock
YCF
Sprocket 10 teeth Pit Bike YCF 88E
Article no.: MBRS35/10T-01

Sprocket 10 teeth Pit Bike YCF 88E

18,00 €
Currently not in stock
YCF
Chain Roller Tensioner Pit Bike / Dirt Bike
Article no.: MB14670/152FMH

Chain Roller Tensioner Pit Bike / Dirt Bike

5,50 €
Currently not in stock
YCF
Swingarm Slider right side Pit Bike YCF 50cc
Article no.: YCF-50-20-64

Swingarm Slider right side Pit Bike YCF 50cc

5,50 €
Currently not in stock
YCF
Circlip front sprocket Pit Bike YCF50A
Article no.: YCF-50-20-98

Circlip front sprocket Pit Bike YCF50A

5,50 €
Currently not in stock
YCF
Chain Pit Bike YCF50E
Article no.: MBRS35-114

Chain Pit Bike YCF50E

21,00 €
Currently not in stock
YCF
Secondary Gears Pit Bike YCF50 2012/13/14
Article no.: YCF-50-20-105

Secondary Gears Pit Bike YCF50 2012/13/14

33,00 €
Currently not in stock
YCF
Primary Gears Pit Bike YCF50 2012/13/14
Article no.: YCF-50-20-106

Primary Gears Pit Bike YCF50 2012/13/14

39,50 €
Currently not in stock
YCF
Gear Selector Shaft Pit Bike YX 88cc - 125cc semi-automatic
Article no.: MBA001K000

Gear Selector Shaft Pit Bike YX 88cc - 125cc semi-automatic

38,00 €
Currently not in stock
YCF
Gear Selector Shaft 232mm Pit Bike YX 88cc - 125cc semi-automatic
Article no.: MB24300-G030-0000

Gear Selector Shaft 232mm Pit Bike YX 88cc - 125cc semi-automatic

33,00 €
Currently not in stock
YCF
Gear Selector Shaft 175mm Pit Bike / Dirt Bike
Article no.: MBC032K000

Gear Selector Shaft 175mm Pit Bike / Dirt Bike

38,50 €
Currently not in stock
YCF
Gear Selector Shaft (26cm) Pit Bike semi-automatic
Article no.: MB100106300-0001

Gear Selector Shaft (26cm) Pit Bike semi-automatic

16,50 €
Currently not in stock
YCF
Primary Gears Pit Bike Lifan 125cc / 140cc
Article no.: MB23600/152FMH

Primary Gears Pit Bike Lifan 125cc / 140cc

52,00 €
Currently not in stock
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123

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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