Reference: 3420.7257.50
Crown 46 to 63 teeth with the choices in 428 for BETA RR SM from 2005 to 2011 and TRACK from 2008 to 2021
Very good quality, ideal for a refurbishment on your motorcycle 50 with gearbox.
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Very well made, this sprocket will be ideal to start again on excellent transmission / chain / sprocket bases!
Intended to be mounted on APRILIA 50 RX 2018>2019 / BULTACO 50 SM ASTRO 2001> / DERBI 50 R SENDA X TREME 2018>2019, DRD R SENDA PRO 2005>2016 (check your crown before purchase)... .
Width 420, available in 53 teeth. To optimize your transmission, we advise you to change the chain as well as the sprocket.
Internal Ø 102mm, center distance 125mm and fixing holes Ø8.5mm.
Mounts on:
APRILIA RX 50 2018 to 2019
BULTACO ASTRO 50 2001
BULTACO LOBITO 50 1999
DERBI SENDA R DRD BLACK DEVIL 50 2004 to 2005
DERBI SENDA R DRD LIMITED 50 2007 to 2008
DERBI SENDA R DRD PRO 50 2005 to 2016
DERBI SENDA R X-TREME 50 2018
DERBI SENDA SM DRD BLACK DEVIL 50 2004 to 2005
DERBI SENDA SM DRD PRO 50 2005 to 2016
DERBI SENDA SM DRD RACING 50 2002 to 2010
GILERA RC R EN DURO 50 2012 to 2019
Reference: 3420.7257.50
Very good quality, ideal for a refurbishment on your motorcycle 50 with gearbox.
Reference: 509882
Reinforced crown DOPLLER with a superb color for motorcycles BETA FACTORY, RR ... 50cc 2T from 2005.
Reference: 2252.3059.46
Crown FRANCE EQUIPMENT for motorcycle with gearbox MBK X LIMIT from 1991 to 2002 in 420 with 8 holes.
Reference: 167803
AFAM rear transmission crown for your 50cc motorcycle with gearbox.
Reference: 264711
A crown of very good quality, identical to the original but much cheaper.
Reference: 264720
A crown of very good quality, identical to the original but much cheaper.
Reference: D428.30
Crown to be machined, in aluminium, available from 29 to 78 teeth! For 428 chain.
Reference: 0401.3003.30
Very good quality, ideal location to set the transmission of your bike 50cc.
Reference: 264725
A crown of very good quality, identical to the origin but much less expensive.
Reference: 3987.1020.45
Very good quality, ideal for refurbishment on your 50 gearbox motorcycle.
Reference: 484145
A crown of good quality, model identical to the origin but with a small price.
Reference: 264746A
Quality to replace your worn original crown!
Reference: 3980.1015.48
Crown high quality for DERBI FENIX 50 and older Senda (tubular frame).
Reference: D415.20
Crown to be machined, in aluminium, available from 20 to 85 teeth! For 415 chain.
Reference: 491212
Reinforced crown DOPLLER in 420 with a superb color for motorcycles RIEJU MRT, RS3, DERBI SENDA, PEUGEOT XP6 2000, MBK X-LIMIT 2003, XP7 ...
Reference: 500930
DOPLLER reinforced crown in 420 with a superb color for BETA FACTORY, RR ... 50cc 2T motorcycles from 2005.