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UFO
Chain Guide / Swingarm Slider Set Yamaha YZF 250 / 450 2006 black UFO
Article no.: UF-YA04804@001

Chain Guide / Swingarm Slider Set Yamaha YZF 250 / 450 2006 black UFO

25,50 €
Currently not in stock
UFO
Chain Guide / Swingarm Slider Set Yamaha YZF 250 / 450 2005 blue UFO
Article no.: UF-YA04803@089

Chain Guide / Swingarm Slider Set Yamaha YZF 250 / 450 2005 blue UFO

25,50 €
Currently not in stock
UFO
Chain Guide / Swingarm Slider Set Yamaha YZF 250 / 450 2005 black UFO
Article no.: UF-YA04803@001

Chain Guide / Swingarm Slider Set Yamaha YZF 250 / 450 2005 black UFO

25,50 €
Currently not in stock
UFO
Chain Guide / Swingarm Slider Set Yamaha YZF 250 / 450 2004 black UFO
Article no.: UF-YA04802@001

Chain Guide / Swingarm Slider Set Yamaha YZF 250 / 450 2004 black UFO

25,50 €
Currently not in stock
UFO
Chain Guide / Swingarm Slider Set Yamaha YZ 125 / 250 after 2015 blue UFO
Article no.: UF-YA04805@089

Chain Guide / Swingarm Slider Set Yamaha YZ 125 / 250 after 2015 blue UFO

25,50 €
Currently not in stock
UFO
Chain Guide / Swingarm Slider Set Yamaha YZ 125 / 250 after 2015 black UFO
Article no.: UF-YA04805@001

Chain Guide / Swingarm Slider Set Yamaha YZ 125 / 250 after 2015 black UFO

25,50 €
Currently not in stock
UFO
Chain Guide / Swingarm Slider Set Yamaha YZ 125 / 250 2009-2014 blue UFO
Article no.: UF-YA04807@089

Chain Guide / Swingarm Slider Set Yamaha YZ 125 / 250 2009-2014 blue UFO

25,50 €
Currently not in stock
UFO
Chain Guide / Swingarm Slider Set Yamaha YZ 125 / 250 2009-2014 black UFO
Article no.: UF-YA04807@001

Chain Guide / Swingarm Slider Set Yamaha YZ 125 / 250 2009-2014 black UFO

25,50 €
Currently not in stock
UFO
Chain Guide / Swingarm Slider Set Yamaha YZ 125 / 250 2005-2008 blue UFO
Article no.: UF-YA04801@089

Chain Guide / Swingarm Slider Set Yamaha YZ 125 / 250 2005-2008 blue UFO

25,50 €
Currently not in stock
UFO
Chain Guide / Swingarm Slider Set Yamaha YZ 125 / 250 2005-2008 black UFO
Article no.: UF-YA04801@001

Chain Guide / Swingarm Slider Set Yamaha YZ 125 / 250 2005-2008 black UFO

25,50 €
Currently not in stock
UFO
Chain Guide / Swingarm Slider Set Yamaha YZ 125 / 250 2003-2004 black UFO
Article no.: UF-YA04800@001

Chain Guide / Swingarm Slider Set Yamaha YZ 125 / 250 2003-2004 black UFO

25,50 €
Currently not in stock
UFO
Chain Guide / Swingarm Slider Set Yamaha YZ 125 / 250 2002-2002 black UFO
Article no.: UF-YA03899@001

Chain Guide / Swingarm Slider Set Yamaha YZ 125 / 250 2002-2002 black UFO

25,50 €
Currently not in stock
UFO
Chain Guide / Swingarm Slider Set Yamaha YZ 125 / 250 1997-2001 black UFO
Article no.: UF-YA03898@001

Chain Guide / Swingarm Slider Set Yamaha YZ 125 / 250 1997-2001 black UFO

25,50 €
Currently not in stock
UFO
Swingarm Slider Yamaha YZF 250 / 450 2004-2005 blue UFO
Article no.: UF-YA03871#089

Swingarm Slider Yamaha YZF 250 / 450 2004-2005 blue UFO

16,50 €
Currently not in stock
UFO
Swingarm Slider Yamaha YZF 250 / 450 2004-2005 black UFO
Article no.: UF-YA03871#001

Swingarm Slider Yamaha YZF 250 / 450 2004-2005 black UFO

16,50 €
Currently not in stock
UFO
Swingarm Slider Yamaha YZ 125 / 250 2003-2008 blue UFO
Article no.: UF-YA03870#089

Swingarm Slider Yamaha YZ 125 / 250 2003-2008 blue UFO

16,50 €
Currently not in stock
UFO
Swingarm Slider Yamaha YZ 125 / 250 2003-2008 black UFO
Article no.: UF-YA03870#001

Swingarm Slider Yamaha YZ 125 / 250 2003-2008 black UFO

16,50 €
Currently not in stock
UFO
Swingarm Slider Yamaha YZ 125 / 250 1997-2002 blue UFO
Article no.: UF-YA03808#089

Swingarm Slider Yamaha YZ 125 / 250 1997-2002 blue UFO

16,50 €
Currently not in stock
UFO
Swingarm Slider Yamaha YZ 125 / 250 1997-2002 black UFO
Article no.: UF-YA03808#001

Swingarm Slider Yamaha YZ 125 / 250 1997-2002 black UFO

16,50 €
Currently not in stock
UFO
Swingarm Slider Yamaha YZ 125 / 250 1989-1992 UFO neutral
Article no.: UF-YA02820#280

Swingarm Slider Yamaha YZ 125 / 250 1989-1992 UFO neutral

16,50 €
Currently not in stock
UFO
Swingarm Slider Yamaha YZ 85 2002-2018 neutral UFO
Article no.: UF-YA03894#280

Swingarm Slider Yamaha YZ 85 2002-2018 neutral UFO

16,50 €
Currently not in stock
UFO
Swingarm Slider Yamaha YZ 80 1993-2001 neutral UFO
Article no.: UF-YA03851#280

Swingarm Slider Yamaha YZ 80 1993-2001 neutral UFO

16,50 €
Currently not in stock
UFO
Chain Guide / Swingarm Slider Set Suzuki RM-Z 450 2007 yellow UFO
Article no.: UF-SU04925@102

Chain Guide / Swingarm Slider Set Suzuki RM-Z 450 2007 yellow UFO

25,50 €
Currently not in stock
UFO
Chain Guide / Swingarm Slider Set Suzuki RM-Z 450 2007 black UFO
Article no.: UF-SU04925@001

Chain Guide / Swingarm Slider Set Suzuki RM-Z 450 2007 black UFO

25,50 €
Currently not in stock
UFO
Chain Guide / Swingarm Slider Set Suzuki RM-Z 250 after 2019 yellow UFO
Article no.: UF-SU04946@102

Chain Guide / Swingarm Slider Set Suzuki RM-Z 250 after 2019 yellow UFO

25,50 €
Currently not in stock
UFO
Chain Guide / Swingarm Slider Set Suzuki RM-Z 250 after 2019 black UFO
Article no.: UF-SU04946@001

Chain Guide / Swingarm Slider Set Suzuki RM-Z 250 after 2019 black UFO

25,50 €
Currently not in stock
UFO
Chain Guide / Swingarm Slider Set Suzuki RM 125 / 250 2001-2008 yellow UFO
Article no.: UF-SU04924@102

Chain Guide / Swingarm Slider Set Suzuki RM 125 / 250 2001-2008 yellow UFO

25,50 €
Currently not in stock
UFO
Chain Guide / Swingarm Slider Set Suzuki RM 125 / 250 2001-2008 black UFO
Article no.: UF-SU04924@001

Chain Guide / Swingarm Slider Set Suzuki RM 125 / 250 2001-2008 black UFO

25,50 €
Currently not in stock
UFO
Chain Guide / Swingarm Slider Set Suzuki RM 125 / 250 1999-2000 black UFO
Article no.: UF-SU04923@001

Chain Guide / Swingarm Slider Set Suzuki RM 125 / 250 1999-2000 black UFO

25,50 €
Currently not in stock
UFO
Swingarm Slider Suzuki RM-Z 250 / 450 after 2018 yellow UFO
Article no.: UF-SU04945#102

Swingarm Slider Suzuki RM-Z 250 / 450 after 2018 yellow UFO

16,50 €
Currently not in stock
UFO
Swingarm Slider Suzuki RM-Z 250 / 450 after 2018 black UFO
Article no.: UF-SU04945#001

Swingarm Slider Suzuki RM-Z 250 / 450 after 2018 black UFO

16,50 €
Currently not in stock
UFO
Swingarm Slider Suzuki RM 125 / 250 1999-2008 yellow UFO
Article no.: UF-SU03908@102

Swingarm Slider Suzuki RM 125 / 250 1999-2008 yellow UFO

16,50 €
Currently not in stock
UFO
Swingarm Slider Suzuki RM 125 / 250 1999-2008 black UFO
Article no.: UF-SU03908@001

Swingarm Slider Suzuki RM 125 / 250 1999-2008 black UFO

16,50 €
Currently not in stock
UFO
Swingarm Slider Suzuki RM 125 / 250 1989-1995 neutral UFO
Article no.: UF-SU02915#280

Swingarm Slider Suzuki RM 125 / 250 1989-1995 neutral UFO

16,50 €
Currently not in stock
UFO
Swingarm Slider Suzuki RM 85 black UFO
Article no.: UF-SU04916#001

Swingarm Slider Suzuki RM 85 black UFO

16,50 €
Currently not in stock
UFO
Chain Slider / Swingarm Slider Set KTM EXC 2012-2023 orange UFO
Article no.: UF-KT04036@127

Chain Slider / Swingarm Slider Set KTM EXC 2012-2023 orange UFO

25,50 €
Currently not in stock
UFO
Chain Slider / Swingarm Slider Set KTM EXC 2011 orange UFO
Article no.: UF-KT04034@127

Chain Slider / Swingarm Slider Set KTM EXC 2011 orange UFO

25,50 €
Currently not in stock
UFO
Chain Slider / Swingarm Slider Set KTM EXC 2011 black UFO
Article no.: UF-KT04034@001

Chain Slider / Swingarm Slider Set KTM EXC 2011 black UFO

25,50 €
Currently not in stock
UFO
Chain Slider / Swingarm Slider Set KTM SX / SXF 2016-2022 orange UFO
Article no.: UF-KT04067@127

Chain Slider / Swingarm Slider Set KTM SX / SXF 2016-2022 orange UFO

25,50 €
Currently not in stock
UFO
Chain Slider / Swingarm Slider Set KTM SX / SXF 2016-2022 black UFO
Article no.: UF-KT04067@001

Chain Slider / Swingarm Slider Set KTM SX / SXF 2016-2022 black UFO

25,50 €
Currently not in stock
UFO
Chain Slider / Swingarm Slider Set KTM SX / SXF 2011-2015 orange UFO
Article no.: UF-KT04030@127

Chain Slider / Swingarm Slider Set KTM SX / SXF 2011-2015 orange UFO

25,50 €
Currently not in stock
UFO
Chain Slider / Swingarm Slider Set KTM SX / SXF 2011-2015 black UFO
Article no.: UF-KT04030@001

Chain Slider / Swingarm Slider Set KTM SX / SXF 2011-2015 black UFO

25,50 €
Currently not in stock
UFO
Chain Slider / Swingarm Slider Set KTM SX / EXC 2007-2010 orange UFO
Article no.: UF-KT04005@127

Chain Slider / Swingarm Slider Set KTM SX / EXC 2007-2010 orange UFO

25,50 €
Currently not in stock
UFO
Chain Slider / Swingarm Slider Set KTM SX / EXC 2007-2010 black UFO
Article no.: UF-KT04005@001

Chain Slider / Swingarm Slider Set KTM SX / EXC 2007-2010 black UFO

25,50 €
Currently not in stock
UFO
Chain Slider / Swingarm Slider Set KTM SX / EXC 1997-2006 orange UFO
Article no.: UF-KT04004@127

Chain Slider / Swingarm Slider Set KTM SX / EXC 1997-2006 orange UFO

25,50 €
Currently not in stock
UFO
Chain Slider / Swingarm Slider Set KTM SX / EXC 1997-2006 black UFO
Article no.: UF-KT04004@001

Chain Slider / Swingarm Slider Set KTM SX / EXC 1997-2006 black UFO

25,50 €
Currently not in stock
UFO
Swingarm Slider KTM SX / SX-F 2011-2022 orange UFO
Article no.: UF-KT04028#127

Swingarm Slider KTM SX / SX-F 2011-2022 orange UFO

16,50 €
Currently not in stock
UFO
Swingarm Slider KTM SX / EXC 2007-2010 orange UFO
Article no.: UF-KT03099#127

Swingarm Slider KTM SX / EXC 2007-2010 orange UFO

16,50 €
Currently not in stock
UFO
Swingarm Slider KTM SX 85 after 2015 orange UFO
Article no.: UF-KT04058#127

Swingarm Slider KTM SX 85 after 2015 orange UFO

16,50 €
Currently not in stock
UFO
Swingarm Slider KTM SX 85 2004-2014 orange UFO
Article no.: UF-KT03068#127

Swingarm Slider KTM SX 85 2004-2014 orange UFO

16,50 €
Currently not in stock
UFO
Swingarm Slider KTM SX 85 2004-2014 black UFO
Article no.: UF-KT03068#001

Swingarm Slider KTM SX 85 2004-2014 black UFO

16,50 €
Currently not in stock
UFO
Swingarm Slider KTM SX 65 2009-2015 black UFO
Article no.: UF-KT04018#001

Swingarm Slider KTM SX 65 2009-2015 black UFO

16,50 €
Currently not in stock
UFO
Chain Roller inférieure Kawasaki KXF 250 after 2021 black UFO
Article no.: UF-KA04754#001

Chain Roller inférieure Kawasaki KXF 250 after 2021 black UFO

14,50 €
Currently not in stock
UFO
Chain Roller inférieure Kawasaki KXF 250 2009-2020 black UFO
Article no.: UF-KA04711#001

Chain Roller inférieure Kawasaki KXF 250 2009-2020 black UFO

14,50 €
Currently not in stock
UFO
Chain Roller Kawasaki KXF 250 2006-2008 neutral UFO
Article no.: UF-NY02456#280

Chain Roller Kawasaki KXF 250 2006-2008 neutral UFO

14,50 €
Currently not in stock
UFO
Chain Roller Kawasaki KXF 250 2006-2008 black UFO
Article no.: UF-NY02456#001

Chain Roller Kawasaki KXF 250 2006-2008 black UFO

14,50 €
Currently not in stock
UFO
Chain Slider / Swingarm Slider Set Kawasaki KXF 250 / 450 2021-2023 green
Article no.: UF-KA04756@026

Chain Slider / Swingarm Slider Set Kawasaki KXF 250 / 450 2021-2023 green

25,50 €
Currently not in stock
UFO
Chain Slider / Swingarm Slider Set Kawasaki KXF 250 / 450 2021-2023 black
Article no.: UF-KA04756@001

Chain Slider / Swingarm Slider Set Kawasaki KXF 250 / 450 2021-2023 black

25,50 €
Currently not in stock
UFO
Chain Slider / Swingarm Slider Set Kawasaki KXF 250 / 450 2017-2020 green
Article no.: UF-KA04744@026

Chain Slider / Swingarm Slider Set Kawasaki KXF 250 / 450 2017-2020 green

25,50 €
Currently not in stock
UFO
Chain Slider / Swingarm Slider Set Kawasaki KXF 250 / 450 2017-2020 black
Article no.: UF-KA04744@001

Chain Slider / Swingarm Slider Set Kawasaki KXF 250 / 450 2017-2020 black

25,50 €
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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