Motorcycle Transmission

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Transmission

Chain Tensioner wheel axle 12mm Doppler Alu CNC blue Derbi / Gilera / Aprilia

Front Sprocket Doppler - 428 Black coating Minarelli AM6

Lever gear selector shaft Derbi Euro2

Chain Kit 14x53 - 420 Stage6 aluminium CNC black Aprilia SX 50

Chain Kit 13x53 - 420 Stage6 aluminium CNC black Aprilia SX 50

Chain Kit 13x53 - 420 Stage6 aluminium CNC Blue Beta RR

Chain Kit 14x53 - 420 Stage6 aluminium CNC Blue Beta RR

Gearwheel 3rd-4th gear primary shaft Top Performances Minarelli T19-22 AM6 V1

Gearwheel 4th gear secondary shaft T24 Euro 3 (D50B0)

Secondary Gear Shaft Top Performances Minarelli AM6 V2

Primary Gear Shaft Top Performances Minarelli AM6 Z12 V2

Gearwheel 2nd gear secondary shaft T30 Euro 3 (D50B0)

Gearwheel 2nd gear primary shaft Top Performances T16 AM6 V2

Gearbox complete Top Racing AM6

Rear Sprocket 60 teeth - 420 d. 100mm red Beta RR

Chain reinforced 138 links D.428 orange

Chain Tensioner Doppler Alu red Beta

Washers and Circlips gearbox AM6 Top Performances

Front Sprocket 420 orange Minarelli AM6

Rear Sprocket steel 50 teeth - 420 Aprilia SX 50

Front Sprocket 12 teeth 420 Derbi Euro2 before 1999

Front Sprocket 13 teeth 420 Derbi Euro2 before 1999

Chain Tensioner (x1) Derbi DRD Racing

Swingarm Slider Derbi Senda / Gilera SMT

Secondary Gears / Output Shaft long - GY6 50cc 139QMB

Primary Gears Polini Piaggio Zip / Vespa ET2 after 2000

Gear input shaft (clutch) - GY6 50cc 139QMB

Primary Gears Polini 15/38 2.53 / +22.9% Vespa ET2 98 / LX 50cc

Chain Kit 12x53 - 420 d=108mm 6 holes Derbi Senda SM / DRD

Secondary Gears 14-41 Doppler Minarelli

Chain Kit AFAM 12x53 Aprilia RS/RX/RS4 2006 - 2010

Gear Shift Cam Top Performances

Kickstart Repair Kit Polini Piaggio

Gearbox Washers and Circlips AM6 (1st series)

Gear Selector Fork Set forged Top Performances AM6

Chain Kit steel 13x53 - 428 Doppler Origin Beta RR

Rear Sprocket steel Beta RR 50 Afam 60 teeth - 420

Rear Sprocket Beta RR 50 teeth - 420 Voca Alu red

Rear Sprocket Beta RR 50 teeth - 420 Voca Alu black

Rear Sprocket Beta RR 50 teeth - 420 Voca Alu blue

Rear Sprocket Beta RR 48 teeth - 420 Voca Alu red

Rear Sprocket Beta RR 48 teeth - 420 Voca Alu Neochrome

Rear Sprocket Beta RR 48 teeth - 420 Voca Alu blue

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

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

Rear Sprocket Aprilia SX 50cc 48 teeth - 420 Voca Alu black

Rear Sprocket 60 teeth Doppler aluminium CNC black MBK 51 / Peugeot 103

Primary Gears Polini 13/40 Piaggio NRG after 1998

Primary Gears Polini 13/44 Yamaha Aerox / BW's

Secondary Gears Polini 16/44 Peugeot Speedfight / Ludix

Secondary Gears Polini 15/42 Minarelli 15/42 1:280

Secondary Gears Polini 14/41 Yamaha Aerox / BW's

Secondary Gears Polini 14/48 Piaggio NRG after 1998

Rear Sprocket Afam steel 50 teeth - 428 Beta RR

Front Sprocket AFAM 16 teeth 520 KTM 350 / 400 / 620 / 640 / 660 / 690 / 790

Front Sprocket AFAM 16 teeth 428 Kymco Pulsar / Sector / Maxxer / Derbi / Honda / Daelim

Front Sprocket AFAM 14 teeth 520 Kymco MXer 150 / MXU 150

Front Sprocket AFAM 14 teeth 420 Cagiva Mito / Derbi Senda / GPR / Fenix

Front Sprocket AFAM 13 teeth 520 Kymco KXR / Maxxer / MXU 250/300 / TGB Blade / Target

Chain Kit AFAM XS-Ring 13x60 Aprilia RS125 after 2011 / Tuono 125 after 2017

The gearbox - tuning via gear ratio

The complex world of gear ratios