50cc Bike Transmission

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Transmission

Chain Tensioner STR8 Derbi 12mm black (x2)

Rear Sprocket 40 teeth - 420 Voca Alu Neochrome Yamaha DT 50 LC Portugal

Rear Sprocket 40 teeth - 420 Voca Alu Red Yamaha DT 50 LC Portugal

Clutch Cable Holder Derbi STR8 Green

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

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

Chain Guard reinforced Derbi Senda / Aprilia SX / Gilera SMT black

Chain Guard reinforced Beta RR 50 / 125 aluminium black

Chain Guard reinforced Rieju MRT aluminium black

Rear Sprocket Premium 60 teeth 428 Vent Derapage / Baja 50 Euro 5

Rear Sprocket steel 62 teeth 420 CPI SM

Chain Kit Sherco SE-R 50 Afam 14x56 - 428

Chain Kit Sherco SE-R 50 Afam 12x56 - 428 (original ratio)

Chain Kit Aprilia SX 50 2012 - 2017 Afam 11x53 - 420 (original gear ratio)

Chain Kit Aprilia RX 50 2006 - 2017 Afam 11x53 - 420 (original gear ratio)

Chain Kit Aprilia RX 50 1999 - 2001 Afam 12x51 - 420 (original gear ratio)

Chain Kit Aprilia RX 2002 - 2006 Afam 11x51 - 420 original ratio

Chain Kit Aprilia RS 50 2003 - 2005 Afam 11x47 - 420 (original gear ratio)

Chain Kit Aprilia MX / SM 50 2003 - 2005 Afam 11x51 - 420 (original gear ratio)

Gear Selector Fork left secondary shaft AM6 Generic / CPI

Gear Selector Fork right secondary shaft type AM6 Generic / CPI / KSR

Gear Selector Fork primary shaft AM6 Generic / CPI / KSR

Rear Sprocket steel Sherco HRD Afam 56 teeth - 428

Rear Sprocket steel Sherco Enduro 50 Afam 47 teeth - 428

Rear Sprocket steel Peugeot / Rieju Afam 60 teeth - 420

Rear Sprocket steel Honda Monkey Z50 Afam 33 teeth - 420

Rear Sprocket steel Beta RR 50 Afam 60 teeth - 420

Clutch Cable Holder Derbi STR8 Black

Chain Guard Rieju MRT

Chain Guard Beta RR 50 / 125

Clutch Cable Holder Derbi STR8 Purple

Clutch Cable Holder Derbi STR8 Red

Clutch Cable Holder Derbi STR8 Orange

Clutch Cable Holder Derbi STR8 Gold

Clutch Cable Holder Derbi STR8 Neochrome

Clutch Cable Holder Derbi STR8 Carbon

Clutch Cable Holder Derbi STR8 Blue

Clutch Cable Holder Derbi STR8 Alu

Gearbox Bearings Voca Yamaha DT 50 LC Portugal

Rear Sprocket Yamaha DT 50 LC Portugal 40 teeth - 420 Alu black

Rear Sprocket Yamaha DT 50 LC Portugal 40 teeth - 420 Alu blue

Rear Sprocket Yamaha DT 50 LC Portugal 38 teeth 420 Alu red

Rear Sprocket Yamaha DT 50 LC Portugal 38 teeth - 420 Alu black

Rear Sprocket Yamaha DT 50 LC Portugal 38 teeth - 420 Alu blue

Rear Sprocket Sherco SM-R 50cc 53 teeth - 428 Alu Neochrome

Rear Sprocket Sherco SM-R 50cc 53 teeth - 428 Alu blue

Rear Sprocket Sherco SM-R 50cc 53 teeth - 428 Alu red

Rear Sprocket Sherco SM-R 50cc 53 teeth - 428 Alu black

Rear Sprocket Sherco SM-R 50cc 50 teeth - 428 Alu red

Rear Sprocket Rieju MRT 50 teeth - 420 Voca Alu red

Rear Sprocket Rieju MRT 50 teeth - 420 Voca Alu black

Rear Sprocket Rieju MRT 48 teeth - 420 Voca Alu black

Rear Sprocket Rieju MRT 48 teeth - 420 Voca Alu blue

Rear Sprocket Beta RR 50 teeth - 420 Voca Alu Neochrome

Rear Sprocket Beta RR 48 teeth - 420 Voca Alu black

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

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

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

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

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

The gearbox - tuning via gear ratio

The complex world of gear ratios