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Transmission

(212 products)
Moped 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 tensioner Circlip Clutch springs Front sprocket Gear lever Gearbox Gearbox accessories Ignition lock Pulley gear Chain rear sprocket Spring Transmission Transmission accessories Transmission gear Washer Woodruff key Bearing ball Gear shift shaft Pedal shaft Sprocket bolt
Brand
AFAM Algi Buzzetti Doppler IGM Iris KMC Malossi MotoForce Polini RMS Schmitt Stage6 Standard Parts Voca Racing
Price
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Standard Parts
Chain Tensioner Set 12mm alu Puch / Simson / Kreidler / Sachs black
Article no.: MOF-43010/BK

Chain Tensioner Set 12mm alu Puch / Simson / Kreidler / Sachs black

9,80 €
Currently not in stock
Voca Racing
Rear Sprocket 48 teeth / 420 Voca Alu black Senda / SX50 from 2011
Article no.: VCR-SD450.SDA.48/BK

Rear Sprocket 48 teeth / 420 Voca Alu black Senda / SX50 from 2011

50,00 €
Currently not in stock
RRP
54,00 €
-7% Discount
Polini
Primary Gears Polini Z=11-23 Piaggio Ciao / Si
Article no.: P202.1425

Primary Gears Polini Z=11-23 Piaggio Ciao / Si

73,50 €
Currently not in stock
RRP
86,00 €
-15% Discount
Standard Parts
Steering Lock with 2 keys Puch
Article no.: IP44179

Steering Lock with 2 keys Puch

10,50 €
Currently not in stock
Standard Parts
Pedal Chain 410 / 112 links 1/2 "x1/8"
Article no.: IP44150

Pedal Chain 410 / 112 links 1/2 "x1/8"

6,50 €
Currently not in stock
Doppler
Rear Sprocket Carrier Plate Doppler Open Peugeot 103 Bernardi / Grimeca
Article no.: CGN512883

Rear Sprocket Carrier Plate Doppler Open Peugeot 103 Bernardi / Grimeca

40,00 €
Currently not in stock
Malossi
Transmission Malossi 16/32 Peugeot Fox
Article no.: M676458

Transmission Malossi 16/32 Peugeot Fox

95,50 €
Currently not in stock
Standard Parts
Woodruff Key clutch basket Buzzetti 9.5x3x3.7mm Simson
Article no.: MOF-BZA30426

Woodruff Key clutch basket Buzzetti 9.5x3x3.7mm Simson

2,00 €
Currently not in stock
Standard Parts
Rear Sprocket Carrier V2 reinforced Simson
Article no.: MOF-42125

Rear Sprocket Carrier V2 reinforced Simson

17,00 €
Currently not in stock
Standard Parts
Chain Tensioner Set galvanized Simson
Article no.: MOF-41891

Chain Tensioner Set galvanized Simson

3,90 €
Currently not in stock
Standard Parts
Draw Key output shaft 3- / 4-speed Simson
Article no.: MOF-41386

Draw Key output shaft 3- / 4-speed Simson

7,10 €
Currently not in stock
Standard Parts
Gear Shift Spring Simson
Article no.: MOF-41286

Gear Shift Spring Simson

2,00 €
Currently not in stock
Standard Parts
Rear Sprocket Carrier Simson
Article no.: MOF-40834

Rear Sprocket Carrier Simson

3,70 €
Currently not in stock
Standard Parts
Chain Master Link 1/2x5.4 Simson
Article no.: MOF-40815

Chain Master Link 1/2x5.4 Simson

1,20 €
Currently not in stock
Standard Parts
Front Sprocket 13 teeth 1/2x5.4 Simson
Article no.: MOF-40808

Front Sprocket 13 teeth 1/2x5.4 Simson

5,40 €
Currently not in stock
Standard Parts
Rear Sprocket 22 teeth / 415 Tomos A35
Article no.: MOF-40304

Rear Sprocket 22 teeth / 415 Tomos A35

7,70 €
Currently not in stock
Standard Parts
Screw Set rear sprocket M7x25mm Tomos A35
Article no.: MOF-39730

Screw Set rear sprocket M7x25mm Tomos A35

3,20 €
Currently not in stock
AFAM
Chain Clip Master Link AFAM black A420
Article no.: AFAMRA420M

Chain Clip Master Link AFAM black A420

1,80 €
Currently not in stock
Standard Parts
Front Sprocket 17 teeth Puch Maxi
Article no.: MOF-28893
1

Front Sprocket 17 teeth Puch Maxi

3,80 €
Currently not in stock
Standard Parts
Front Sprocket 16 teeth Puch Maxi
Article no.: MOF-28892

Front Sprocket 16 teeth Puch Maxi

4,30 €
Currently not in stock
Standard Parts
Front Sprocket 14 teeth Puch Maxi
Article no.: MOF-28889

Front Sprocket 14 teeth Puch Maxi

5,60 €
Currently not in stock
Standard Parts
Front Sprocket 11 teeth Puch Maxi
Article no.: MOF-28887

Front Sprocket 11 teeth Puch Maxi

3,70 €
Currently not in stock
Standard Parts
Sprocket Washer Zündapp 3-speed
Article no.: 31524

Sprocket Washer Zündapp 3-speed

1,10 €
Currently not in stock
Schmitt
Clutch Realease Bearing Schmitt reinf. + thrust bearing Puch 4-/3-speed R
Article no.: STT49610

Clutch Realease Bearing Schmitt reinf. + thrust bearing Puch 4-/3-speed R

36,00 €
Currently not in stock
Schmitt
Clutch Realease Bearing Schmitt reinf. + thrust bearing Puch 2-/3-speed
Article no.: STT49611

Clutch Realease Bearing Schmitt reinf. + thrust bearing Puch 2-/3-speed

36,00 €
Currently not in stock
Standard Parts
Chain Tensioner Set 12mm alu Puch / Simson / Kreidler / Sachs green
Article no.: MOF-43010/GR

Chain Tensioner Set 12mm alu Puch / Simson / Kreidler / Sachs green

10,00 €
Currently not in stock
Standard Parts
Chain Tensioner Set 12mm alu Puch / Simson / Kreidler / Sachs gold
Article no.: MOF-43010/GO

Chain Tensioner Set 12mm alu Puch / Simson / Kreidler / Sachs gold

9,80 €
Currently not in stock
Malossi
Primary Gears Malossi Malossi Piaggio Ciao
Article no.: M677021

Primary Gears Malossi Malossi Piaggio Ciao

194,00 €
Currently not in stock
Standard Parts
Idle Gear 40 teeth 2nd gear / 4-speed gear Simson
Article no.: MOF-41419

Idle Gear 40 teeth 2nd gear / 4-speed gear Simson

21,50 €
Currently not in stock
Standard Parts
Front Sprocket old version 11 teeth Simson
Article no.: MOF-41738

Front Sprocket old version 11 teeth Simson

9,70 €
Currently not in stock
Standard Parts
Gear Wheel 38 teeth Simson
Article no.: MOF-41610

Gear Wheel 38 teeth Simson

44,00 €
Currently not in stock
Standard Parts
Chain Drive 14 parts Simson KR51/2
Article no.: MOF-44479

Chain Drive 14 parts Simson KR51/2

92,00 €
Currently not in stock
Standard Parts
Chain Drive 14 parts Simson KR51/1
Article no.: MOF-43937

Chain Drive 14 parts Simson KR51/1

98,50 €
Currently not in stock
Standard Parts
Chain Drive 14 parts Simson KR50
Article no.: MOF-43938

Chain Drive 14 parts Simson KR50

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 24/32 / 1st gear long ratio Simson
Article no.: MOF-43540

Gearbox 5-speed Sport 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
Schmitt
Sealing Cap drive shaft Schmitt aluminium CNC Simson
Article no.: MOF-STT42162

Sealing Cap drive shaft Schmitt aluminium CNC Simson

33,50 €
Currently not in stock
Standard Parts
Lock Plate shift drum bolt B8. 4-ST DIN 463 Simson
Article no.: MOF-42172

Lock Plate shift drum bolt B8. 4-ST DIN 463 Simson

0,70 €
Currently not in stock
Standard Parts
Front Sprocket 18 teeth (old version) Simson
Article no.: MOF-41875

Front Sprocket 18 teeth (old version) Simson

3,40 €
Currently not in stock
Standard Parts
Chain Case w/ cover Simson chrome
Article no.: MOF-41828

Chain Case w/ cover Simson chrome

15,50 €
Currently not in stock
Standard Parts
Front Sprocket 16 teeth (old version) Simson
Article no.: MOF-41743

Front Sprocket 16 teeth (old version) Simson

7,00 €
Currently not in stock
Standard Parts
Front Sprocket 15 teeth (old version) Simson
Article no.: MOF-41742

Front Sprocket 15 teeth (old version) Simson

10,00 €
Currently not in stock
Standard Parts
Front Sprocket 13 teeth (old version) Simson
Article no.: MOF-41740

Front Sprocket 13 teeth (old version) Simson

11,00 €
Currently not in stock
Standard Parts
Engine Ratchet Plate Simson
Article no.: MOF-41615

Engine Ratchet Plate Simson

8,50 €
Currently not in stock
Standard Parts
Hollow Shaft gearshift lever Simson
Article no.: MOF-41575

Hollow Shaft gearshift lever Simson

97,50 €
Currently not in stock
Standard Parts
Gear Selector Fork Simson
Article no.: MOF-41559

Gear Selector Fork Simson

21,50 €
Currently not in stock
Standard Parts
Gear Shift Shaft Simson
Article no.: MOF-41542

Gear Shift Shaft Simson

21,00 €
Currently not in stock
Standard Parts
Gear Shift Fork / Bracket Simson
Article no.: MOF-41541

Gear Shift Fork / Bracket Simson

9,10 €
Currently not in stock
Standard Parts
Lock Plate front sprocket Simson
Article no.: MOF-41538

Lock Plate front sprocket Simson

1,10 €
Currently not in stock
Standard Parts
Sealing Cap front sprocket Simson
Article no.: MOF-41537

Sealing Cap front sprocket Simson

9,90 €
Currently not in stock
Standard Parts
Spring Seat clutch pressure spring Simson
Article no.: MOF-41533

Spring Seat clutch pressure spring Simson

3,00 €
Currently not in stock
Standard Parts
Spring output shaft Simson
Article no.: MOF-41515

Spring output shaft Simson

2,50 €
Currently not in stock
Standard Parts
Washer output shaft spring Simson
Article no.: MOF-41508

Washer output shaft spring Simson

0,80 €
Currently not in stock
Standard Parts
Ball 7mm output shaft Simson
Article no.: MOF-41493

Ball 7mm output shaft Simson

0,30 €
Currently not in stock
Standard Parts
Bolt shift drum 3- / 4-speed Simson
Article no.: MOF-41468

Bolt shift drum 3- / 4-speed Simson

13,00 €
Currently not in stock
Standard Parts
Idler Gear 38 teeth 2nd gear 3-speed Simson
Article no.: MOF-41456

Idler Gear 38 teeth 2nd gear 3-speed Simson

18,00 €
Currently not in stock
Standard Parts
Shift Drum 4-speed Simson
Article no.: MOF-41454

Shift Drum 4-speed Simson

50,00 €
Currently not in stock
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Moped Transmission

On a moped, the drivetrain consists of two parts: the clutch, which sits directly on the crankshaft and drives the V-belt (with or without a variator), and the chain kit (final drive consisting of front sprocket, chain, and rear sprocket).

We are focusing here on the drivetrain of classic mopeds with automatic transmissions (Peugeot 103, MBK 51, Piaggio Ciao, Derbi Variant, etc.). For mopeds with manual transmissions (such as Puch or Simson), please refer to the explanations for motorcycle manual transmissions.

The front and rear sprockets have a direct influence on top speed and acceleration. A short gear ratio provides good acceleration at the expense of top speed, and vice versa.

Moped Drivetrain - Maintenance and Tuning

The final drive of a vintage moped must be maintained and can be optimized.

Transmission Maintenance

To properly maintain the transmission and all related components, refer to the owner's manual or maintenance guide. There you will find a lot of useful information: maximum chain wear limits, standard dimensions, etc.

To extend the life of your chain kit, it is recommended to clean and grease the chain regularly (a well-lubricated chain even contributes to your vehicle's performance by reducing friction losses in the transmission).

The chain guide and swingarm slider should also be replaced regularly. The chain tensioners must be functional to ensure precise adjustment of the chain tension.

Transmission Tuning

The easiest way to modify the transmission is to adjust the final drive ratio (chain kit). A longer ratio provides more top speed, while a shorter one ensures better pull.

For mopeds like Simson, it is also possible to swap the gears. Both complete gearboxes and individual parts with modified gear ratios and reinforced components are available from well-known manufacturers.

Moped Transmission Parts in Our Shop

In our online shop, we offer everything necessary to repair, maintain, and optimize your moped's drivetrain. We carry complete chain kits as well as useful accessories (chain tensioners, pedal shafts, etc.), always striving to deliver these parts at the best price and in the shortest possible time.

We offer products from various renowned manufacturers: Afam, Doppler, Buzzetti, Swiing, Motoforce, Stage6, etc.

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