50cc Bike Transmission

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Transmission

Chain Guide Doppler Derbi / Aprilia / Gilera gold

Chain Guide Doppler blue Derbi / Aprilia / Gilera

Chain reinforced 140 d.420 links Doppler gold

Chain Master Link reinforced 420 Doppler gold

Rear Sprocket 52 teeth - 420 Peugeot XP6

Gearwheel 2nd gear secondary shaft Top Performances T33 AM6 V1

Gearwheel 4th gear secondary shaft Top Performances T27 AM6 V1

Gearwheel 3rd gear secondary shaft Top Performances T29 AM6 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

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)

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

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

Rear Sprocket 50 teeth - 420 d. 100mm red Beta RR

Gearbox Top Performances 2nd series Minarelli AM6

Front Sprocket 428 Derbi / Gilera / Aprilia

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

Chain Master Link Doppler 428

Chain Master Link Doppler 420 yellow

Chain Master Link Doppler 420 blue

Chain reinforced 138 links D.428 orange

Chain reinforced 138 links D.428 blue

Chain reinforced 138 links D.428 gold

Chain reinforced 130 links D.420 black

Chain Guide Derbi / Aprilia / Gilera red

Chain Guide Derbi / Aprilia / Gilera blue

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 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 Tensioner Doppler Alu red Rieju MRT

Chain Tensioner Doppler Alu black Rieju MRT

Washers and Circlips gearbox AM6 Top Performances

Rear Sprocket steel 53 teeth - 420 CPI SX / SM

Rear Sprocket steel 55 teeth - 420 Generic Trigger

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