50cc Bike Transmission

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Transmission

Rear Sprocket 53 teeth 420 Derbi DRD Pro

Chain Kit aluminium gold 13x53 - 420 Doppler Rieju MRT

Rear Sprocket 48 teeth - 420 Peugeot / Rieju

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

Chain Kit AFAM 11x60 Yamaha TZR after 2003

Gearbox Washers and Circlips AM6 (1st series)

Gear Selector Fork Set forged Top Performances AM6

Chain Guide Doppler Derbi / Aprilia / Gilera purple

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

Rear Sprocket steel 53 teeth - 420 Doppler Origin Fantic XM / XE

Rear Sprocket steel 53 teeth - 428 Doppler Origin Sherco 50

Rear Sprocket steel 53 teeth 420 CPI SM

Chain Tensioner Roll Derbi Senda

Swingarm Slider Rieju MRT

Chain Kit Sherco SM-R Afam 11x60 - 428 (original gear ratio)

Chain Kit Aprilia RX 50 1995 - 1998 Afam 12x51 - 420 (original ratio)

Chain Kit Aprilia RS 50 2006 - 2011 Afam 11x53 - 420 (original gear ratio)

Rear Sprocket Sherco SM 50 Afam 56 teeth - 428

Rear Sprocket steel Suzuki RMX / SMX Afam 50 teeth - 420

Rear Sprocket steel Sherco Enduro 50 Afam 53 teeth - 428

Rear Sprocket steel Generic Trigger Afam 50 teeth - 420

Rear Sprocket steel Derbi DRD Pro Afam 53 teeth - 420

Chain Tensioner Rieju MRT (x2)

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

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

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

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

Rear Sprocket Rieju MRT 50 teeth - 420 Voca Alu Neochrome

Rear Sprocket Rieju MRT 50 teeth - 420 Voca Alu blue

Rear Sprocket Rieju MRT 48 teeth - 420 Voca Alu red

Rear Sprocket Rieju MRT 48 teeth - 420 Voca Alu Neochrome

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

Chain Kit Doppler 13x53 - 428 Sherco 50 Alu Black

Chain Kit Doppler 13x53 - 428 Sherco 50 Alu Neochrome

Chain Kit Doppler 13x53 - 428 Sherco 50 Alu Blue

Chain Kit Rieju MRT after 2018 Afam 11x62

Chain Guide Doppler Rieju MRT Neochrome

Rear Sprocket steel 53Z - 420 Doppler Origin Peugeot / Rieju

Chain Master Link clip AFAM ARS A428MX-G gold

Rear Sprocket Premium 60 teeth - 420 black Fantic XM50 /XE50 after 2018

Rear Sprocket Premium 58 teeth - 420 black Fantic XM50 / XE50 after 2018

Chain Kit 14x60 - 420 Afam Rieju MRT

Chain Kit steel 13x53 Doppler Origin Rieju MRT

Rear Sprocket 53 teeth - 420 Doppler aluminium CNC red Fantic Caballero before 2015

Chain Kit steel 14x53 - 420 Doppler Origin Derbi Senda DRD

Chain Kit steel 13x53 - 420 Doppler Origin Yamaha TZR 50

Rear Sprocket bi-metal red 53 teeth - 420 Conti CHR Aprilia SX 50

Rear Sprocket bimetal red 53 teeth - 428 Conti CHR Beta RR

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 axle 15mm Doppler Alu CNC blue Derbi / Gilera / Aprilia

The gearbox - tuning via gear ratio

The complex world of gear ratios