![](https://www.rrd-preparation.com/56294-large_default/crown-53-teeth-in-428-doppler-for-beta-factory-rr-50cc-2t-from-2005-color-neochrom.jpg)
Reference: 484145
Crown 52 teeth in 420 for HRD SONIC, CPI SM, SX, enduro or super biker 50cc
A crown of good quality, model identical to the origin but with a small price.
Banner
Here is the aluminum crown from DOPPLER. Very good quality, it is made in France in the best materials.
This crown will be ideal to start again on excellent transmission / chain / sprocket bases! Intended to be mounted on BETA motorcycles.
Width 428, available 53 teeth. To optimize your transmission, we advise you to change the chain as well as the sprocket.
Mounts on BETA FACTORY, RR ... 50cc 2T from 2005.
Reference: 484145
A crown of good quality, model identical to the origin but with a small price.
Reference: 3989.1955.48
A crown of very high quality with 6 sizes to choose from!
Reference: 264756
The same crown at the origin but with a low price!
Reference: 3951.1017.38
Crown high quality scooter Derbi FURAX 50.
Reference: 500930
DOPLLER reinforced crown in 420 with a superb color for BETA FACTORY, RR ... 50cc 2T motorcycles from 2005.
Reference: D420.30
Crown to be machined, in aluminium, available from 29 to 78 teeth! For 420 chain.
Reference: 264760
A crown of very good quality, identical to the origin but much less expensive.
Reference: D530.30
Crown to be machined, in aluminium, available from 30 to 70 teeth! For 530 chain.
Reference: 496716
A crown of very good quality, identical to the origin but much cheaper. Available in 4 colors
Reference: 3980.1015.48
Crown high quality for DERBI FENIX 50 and older Senda (tubular frame).
Reference: 3988.1385.48
A crown of very high quality with 2 sizes to choose!
Reference: 2907.1955.45
Very good quality, ideal for adjusting the transmission of your 50cc gearbox as well as possible.
Reference: 1051.2230.52
Lightweight ERGAL crown for VENT 50.
Reference: 264765A
The same crown at the origin but less than concession!
Reference: 264711
A crown of very good quality, identical to the original but much cheaper.
Reference: 0370.3000.30
Very good quality, ideal for refurbishing your motorcycle YAMAHA DTR 50. (adaptation in 420)