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Transmission

(235 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 release lever Clutch springs Front sprocket Gear lever Gearbox Gearbox accessories Ignition lock Pulley 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 Iris KMC Malossi MotoForce Polini RMS Schmitt Stage6 Standard Parts Swiing Voca Racing
Price
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Stage6
Chain Master Link 420 Stage6 white
Article no.: S6-2020003

Chain Master Link 420 Stage6 white

3,40 €
In stock soon
Stage6
Chain Master Link 420 Stage6 red
Article no.: S6-2020001

Chain Master Link 420 Stage6 red

3,40 €
In stock soon
KMC
Chain reinforced KMC 120 links / 415 blue
Article no.: CGN505608

Chain reinforced KMC 120 links / 415 blue

15,50 €
In stock soon
Doppler
Chain Master Link Doppler 420 red
Article no.: CGN504530

Chain Master Link Doppler 420 red

3,00 €
In stock soon
3,20 €
-6% Discount
Doppler
Chain Master Link Doppler 420 black
Article no.: CGN504529

Chain Master Link Doppler 420 black

3,00 €
In stock soon
3,20 €
-6% Discount
Standard Parts
Rear Sprocket BTS 54T Peugeot 103 SP / MVL (steel rims 94mm)
Article no.: CGN2944

Rear Sprocket BTS 54T Peugeot 103 SP / MVL (steel rims 94mm)

17,00 €
In stock soon
Standard Parts
Gear 10 teeth Peugeot 103 SPX / RCX
Article no.: CGN860

Gear 10 teeth Peugeot 103 SPX / RCX

8,00 €
In stock soon
KMC
Chain reinforced KMC 103 links / 415 yellow
Article no.: CGN505606

Chain reinforced KMC 103 links / 415 yellow

14,00 €
Currently not in stock
Standard Parts
Pedal Drive Shaft Piaggio Ciao
Article no.: R121530300

Pedal Drive Shaft Piaggio Ciao

23,00 €
Currently not in stock
Standard Parts
Chain reinforced 120 links D.415 Doppler gold
Article no.: CGN504287

Chain reinforced 120 links D.415 Doppler gold

13,00 €
Currently not in stock
Standard Parts
Chain reinforced 106 links D.415 Doppler gold
Article no.: CGN504286

Chain reinforced 106 links D.415 Doppler gold

12,00 €
Currently not in stock
Standard Parts
Rear Sprocket 53 teeth 420 Derbi DRD Pro
Article no.: 34937

Rear Sprocket 53 teeth 420 Derbi DRD Pro

23,50 €
Currently not in stock
Standard Parts
Pinion Circlip Peugeot 103 SPX / RCX 13mm
Article no.: CGN485297

Pinion Circlip Peugeot 103 SPX / RCX 13mm

1,70 €
Currently not in stock
1,90 €
-11% Discount
Standard Parts
Chain Tensioner Piaggio Ciao PX / Bravo
Article no.: CGN3223

Chain Tensioner Piaggio Ciao PX / Bravo

9,80 €
Currently not in stock
Standard Parts
Rear Sprocket 45 teeth Peugeot 103 SP / MV (d.94mm)
Article no.: CGN2933

Rear Sprocket 45 teeth Peugeot 103 SP / MV (d.94mm)

13,50 €
Currently not in stock
Standard Parts
Rear Sprocket 45 teeth Peugeot 103 SPX / RCX (Grimeca 98mm)
Article no.: CGN2949

Rear Sprocket 45 teeth Peugeot 103 SPX / RCX (Grimeca 98mm)

13,50 €
Currently not in stock
Standard Parts
Gear 12 teeth Peugeot 103 SPX / RCX
Article no.: CGN862

Gear 12 teeth Peugeot 103 SPX / RCX

5,50 €
Currently not in stock
Standard Parts
Gear 11 teeth Peugeot 103 SPX / RCX
Article no.: CGN861

Gear 11 teeth Peugeot 103 SPX / RCX

6,70 €
Currently not in stock
Standard Parts
Pedal Shaft Peugeot 103 SP / MV / Vogue
Article no.: CGN702

Pedal Shaft Peugeot 103 SP / MV / Vogue

11,00 €
Currently not in stock
Standard Parts
Rear Sprocket 52 teeth Peugeot 103 SP / SPX (Grimeca rim)
Article no.: CGN2952

Rear Sprocket 52 teeth Peugeot 103 SP / SPX (Grimeca rim)

14,50 €
Currently not in stock
Iris
Chain Iris standard 120 links size 415
Article no.: CGN3038

Chain Iris standard 120 links size 415

12,50 €
Currently not in stock
Iris
Chain Iris reinforced 108 links size 415 gold
Article no.: CGN321025

Chain Iris reinforced 108 links size 415 gold

15,50 €
Currently not in stock
AFAM
Chain 420 reinforced Afam gold 144 links
Article no.: AFAM219212

Chain 420 reinforced Afam gold 144 links

25,00 €
Currently not in stock
AFAM
Chain 420 reinforced Afam gold 142 links
Article no.: AFAM219267

Chain 420 reinforced Afam gold 142 links

25,00 €
Currently not in stock
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 Aprilia SX 50cc 50T - 420 Voca Alu black
Article no.: VCR-SD450.SDA.50/BK

Rear Sprocket Aprilia SX 50cc 50T - 420 Voca Alu black

49,50 €
Currently not in stock
RRP
57,00 €
-13% Discount
Voca Racing
Rear Sprocket Aprilia SX 50cc 48T - 420 Voca Alu red
Article no.: VCR-SD450.SDA.48/RE

Rear Sprocket Aprilia SX 50cc 48T - 420 Voca Alu red

48,00 €
Currently not in stock
RRP
54,00 €
-11% Discount
Standard Parts
Pulley aluminium 11 teeth black moped
Article no.: CGN517366

Pulley aluminium 11 teeth black moped

39,50 €
Currently not in stock
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
Chain Guide / Frame Guard Puch Maxi N
Article no.: IP44214

Chain Guide / Frame Guard Puch Maxi N

11,00 €
Currently not in stock
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

6,50 €
Currently not in stock
Doppler
Rear Sprocket 60T Doppler alu CNC black MBK 51 / Peugeot 103
Article no.: CGN512881

Rear Sprocket 60T Doppler alu CNC black MBK 51 / Peugeot 103

49,50 €
Currently not in stock
RRP
50,00 €
-1% Discount
Doppler
Plate f. rear sprocket Doppler aluminium black Peugeot 103
Article no.: CGN512883

Plate f. rear sprocket Doppler aluminium black Peugeot 103

40,00 €
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
2,00 €
-40% Discount
Standard Parts
Front Sprocket 13 teeth 1/2x5.4 Simson
Article no.: MOF-40808

Front Sprocket 13 teeth 1/2x5.4 Simson

5,30 €
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
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

Front Sprocket 17 teeth Puch Maxi

3,80 €
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
Malossi
Front Sprocket 17 teeth Malossi Puch Maxi
Article no.: M612499B

Front Sprocket 17 teeth Malossi Puch Maxi

12,00 €
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
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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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