50cc Bike Transmission

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Transmission

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

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

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

Sprocket Retainer Plate Derbi D50B0 after 2006 (24mm hole spacing)

Chain Pulley Set Aprilia / CPI / Derbi / Gilera

Rear Sprocket 53 teeth 420 Derbi Derbi DRD Pro

Gear Shift Shaft original spare part Rieju RS2

Rear Sprocket AFAM 51 teeth - 420 Beta RR / Caballero

Rear Sprocket 56 teeth - 428 Afam 6 holes d.110mm Sherco Enduro 50

Chain Tensioner left Rieju MX after 2000

Chain Tensioner right Rieju MX after 2000

Chain Tensioner OEM quality Rieju 50

Chain Master Link chain 428, reinforced, gold

Chain Master Link reinforced Afam for chain 415

Retainer Plate for sprocket 11 teeth special Derbi Euro 2 / Euro 3

Chain Kit aluminium gold 13x53 - 420 Doppler Rieju MRT

Chain Kit AFAM 12x50 428 Beta 50 RR Factory 2005 - 2013

Front Sprocket 11 teeth Derbi Euro 3 (D50B0)

Gear Selector Shaft Derbi Euro 3 (D50B0)

Lever for gear selector shaft Derbi Euro 3 (D50B0)

Chain Kit 12x53 - 420 d=108mm 6 holes Derbi Senda SM / DRD

Retaining Plate f. sprocket Derbi Euro 2 / Euro 3

Rear Sprocket 48 teeth - 420 Peugeot / Rieju

Chain Master Link Iris Racing super reinforced d=415

Chain Master Link Iris standard d=415

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

Chain Kit AFAM 11x60 Yamaha TZR after 2003

Roller for Chain Tensioner size=32mm inner diameter 8mm

Gearbox Minarelli AM6 1st series

Chain Kit 12x47 (size=420) Aprilia RS 1999 - 2004 (AM6)

Gearwheel 6th gear primary shaft Top Performances T26 AM6 V1

Pinion / Adapter Conti 14 teeth Derbi Euro 3 crankshaft on Euro 2

Gear Shift Cam Top Performances

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

Chain Guide Doppler Derbi / Aprilia / Gilera purple

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

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

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

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

Front Sprocket Cover / Chain Guard Doppler alu purple Minarelli AM6

Rear Sprocket aluminium Fantic XM / XE Doppler 53 teeth - 420 red

Rear Sprocket steel 53 teeth - 420 Doppler Origin Beta RR (02 - 05) and Caballero

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

Shift Drum Lock Lever Kit Generic / CPI / KSR

Chain Tensioner Roll Derbi Senda

Swingarm Slider Rieju MRT

Chain Kit Alu Sherco SM-R Afam 13x56 - 428 (original gear ratio)

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

Chain Kit Sherco SE-R 50 Afam 12x56 - 428 (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 50 1995 - 1998 Afam 12x51 - 420 (original gear ratio)

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

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

Chain Guide Derbi Senda red

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

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

The gearbox - tuning via gear ratio

The complex world of gear ratios