50cc Bike Transmission

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Transmission

Gearwheel 4th gear secondary shaft Top Performances T27 AM6 V1

Primary Gear Shaft Top Performances Minarelli AM6 Z12 V2

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

Gearwheel 1st gear secondary shaft Top Performances T36 AM6 V2

Gearwheel 5th gear primary shaft Top Performances T24 AM6 V2

Gearwheel 3rd-4th gear primary shaft Top Performances Minarelli T19-22 AM6 V2

Gearwheel 2nd gear primary shaft Top Performances T16 AM6 V2

Gearbox complete Top Performances Minarelli AM6

Shift Drum Generic / Minarelli AM6

Gearbox complete Top Racing Derbi Euro 3

Primary Gears Derbi Euro 3 GPR

Chain Roller Pit Bike / Dirt Bike (just roller)

Cam Chain Tensioner d.10mm white

Chain Roller pin 8mm Apollo black

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

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

Gear Wheel 6th gear Top Performances (2nd series) Minarelli AM6

Front Sprocket 428 Derbi / Gilera / Aprilia

Chain reinforced 106 links D.415 Doppler gold

Chain Master Link Afam 428 gold

Chain Master Link Afam 420 gold

Rear Sprocket steel 48 teeth - 420 CPI SX / SM

Rear Sprocket 53 teeth - 420 Afam Generic Trigger

Rear Sprocket 51 teeth - 420 Afam Generic Trigger

Front Sprocket Cover aluminium gold Doppler Minarelli AM6

Chain Master Link Doppler 428

Chain Master Link Doppler 420 yellow

Chain Master Link Doppler 420 blue

Chain Master Link Doppler 420 black

Chain reinforced 138 links D.428 blue

Chain reinforced 138 links D.428 gold

Chain Guide Derbi / Aprilia / Gilera red

Chain Guide Derbi / Aprilia / Gilera blue

Rear Sprocket 48 teeth - 420 Rieju MRT

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

Rear Sprocket 53 teeth - 428 Doppler aluminium CNC black Sherco Enduro 50

Rear Sprocket 53 teeth - 420 Doppler aluminium CNC black Aprilia SX 50

Rear Sprocket 53 teeth - 420 Doppler aluminium CNC black Rieju MRT

Swingarm Slider Rieju MRT / MRX

Swingarm Slider Rieju 50cc / 125cc

Screw M8x1.00 - 40mm Rieju

Swingarm Slider aluminium Derbi Senda / Gilera SMT

Chain Kit aluminium red 14x53 - 420 Doppler Derbi GPR / Aprilia RS4

Chain reinforced 134 links 428 gold

Chain reinforced 134 links D.420 Doppler red

Chain reinforced 134 links D.420 Doppler black

Chain reinforced 134 links D.420 Doppler yellow

Chain reinforced 134 links D.420 Doppler blue

Chain reinforced 134 links D.420 Doppler white

Chain Tensioner Doppler Alu red Rieju MRT

Chain Tensioner Doppler Alu black Rieju MRT

Washers and Circlips (kit) gearbox Minareli AM6

Rear Sprocket steel 53 teeth - 420 CPI SX / SM

Rear Sprocket steel 55 teeth - 420 Generic Trigger

Chain Kit Afam 14x48 - 428 Rieju MRT / Yamaha DT

Chain Kit Afam 13x48 Derbi Fenix

Chain Kit 13x53 - 420 Derbi DRD Pro / Racing

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

Rear Sprocket reinforced 53 teeth - 420 Derbi Aprilia SX 50

Rear Sprocket reinforced 53 teeth - 420 Rieju MRT

The gearbox - tuning via gear ratio

The complex world of gear ratios