Motorcycle Transmission

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Transmission

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

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

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

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

Wheel Axle / Driveshaft Malossi C-One / RC-One Minarelli

Primary Gears Malossi 16/40 Yamaha Aerox / BW's

Secondary Gears Malossi 15/41 Gilera Runner 125-150cc

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)

Gearbox complete Top Racing AM6

Rear Sprocket 51 teeth - 420 d. 100mm red Beta RR

Chain reinforced 138 links D.428 red

Rear Sprocket 53 teeth - 428 Doppler aluminium CNC black Beta RR

Chain Tensioner Doppler Alu red Beta

Chain Tensioner Doppler Alu black Beta

Chain Kit 11x53 - 420 D.108mm 6 holes Derbi GPR / Senda X-Treme

Front Sprocket 420 red Derbi

Front Sprocket 420 orange Minarelli AM6

Front Sprocket 12 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

Driveshaft / Wheel Axle - China 2-stroke, CPI, Keeway

Primary gear shaft (clutch) CPI 13 teeth version 1

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

Lever for gear selector shaft Derbi Euro 3 (D50B0)

Retaining Plate f. sprocket Derbi Euro 2 / Euro 3

Rear Sprocket 56 teeth MBK 51 (Grimeca rim)

Rear Sprocket 48 teeth MBK 51 (Grimeca rim)

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

Kickstart Repair Kit Polini Piaggio

Gearbox Washers and Circlips AM6 (1st series)

Gear Selector Fork Set forged Top Performances AM6

Rear Sprocket 53 teeth - 428 Doppler aluminium CNC purple Beta RR 50

Rear Sprocket 53 teeth - 420 Doppler aluminium CNC purple Beta RR 50

Chain Kit steel 13x53 - 428 Doppler Origin Beta RR

Chain Tensioner Beta RR 50 (x1)

Rear Sprocket Beta RR 50 teeth - 420 Voca Alu blue

Rear Sprocket Beta RR 48 teeth - 420 Voca Alu black

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

Gearbox Voca Racing Derbi

Chain Kit steel 13x53 - 420 Doppler Origin Beta RR

Chain Tensioner Plate (x1) Derbi DRD Racing

Rear Sprocket 68 teeth Doppler aluminium CNC black MBK 51 / Peugeot 103

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

Chain Tensioner wheel axle 15mm Doppler Alu CNC red Derbi / Gilera / Aprilia

Chain Tensioner wheel axle 15mm Doppler Alu CNC black Derbi / Gilera / Aprilia

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

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

Front Sprocket Doppler - 428 Black coating Minarelli AM6

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

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

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

The gearbox - tuning via gear ratio

The complex world of gear ratios