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Very good quality, ideal for adjusting the transmission of your 50cc gearbox as well as possible.Centering Ø 44mm, diameter of the screw anchors 60mm.
Here is the steel crown from France Equipement. Of very good quality, this crown will be ideal to start again on excellent bases transmission / chain / pinion! Intended to be mounted on YAMAHA, CHAPPY, DT, DT MX, RD, .... Width 420, available from size 30 teeth to 52 teeth. To optimize your transmission, we advise you to change the chain as well as the sprocket. 
Do not forget to choose the desired number of teeth before adding to the basket.
Mounts on:
YAMAHA 50cc DT M from 1978 to 1980
YAMAHA 50cc DT MX from 1982 to 1987
YAMAHA 50cc DT MX-S from 1990 to 1995
YAMAHA 50cc LB Chappy from 1982 to 1984
YAMAHA 50cc RD from 1977 to 1978
YAMAHA 50cc RD M Sticks from 1979 to 1980
YAMAHA 50cc RD MX from 1981 to 1982
YAMAHA 50cc TY M from 1978 to 1981
Reference: 58420MX.060
High quality chain width 420 specific models with numbers of links to choice!
Reference: 0303.0255.35
Very good quality, ideal for refurbishment MONKEY on your bike.
Reference: 264778
A crown of very good quality, identical to the original but much cheaper.
Reference: 0401.3003.30
Very good quality, ideal location to set the transmission of your bike 50cc.
Reference: 484145
A crown of good quality, model identical to the origin but with a small price.
Reference: 3950.1011.34
High quality crown for the very few scooters DERBI DS WORLD CHAMPION.
Reference: 484142
Crown of very good quality, identical to the original but with a much lower price. Available in 48 or 52 teeth, 5 fixing points, Ø62mm.
Reference: 0404.5003.30
Very good quality, ideal to better adjust the transmission of your bike 50cc or 80cc ... .
Reference: 1914.1174.50
Very good quality, ideal for a refurbishment on your 50 motorcycle with box.
Reference: 3985.1018.50
Crown high quality for old Derbi GPR 50.
Reference: 484143
Crown of very good quality, identical to the origin but with a much lower price. Available in 48 or 52 teeth, 6 fixing points, Ø102mm.
Reference: 3951.1017.38
Crown high quality scooter Derbi FURAX 50.
Reference: 509881
DOPPLER reinforced crown in 420 in ultra light aluminum for RIEJU MRT, RS3, DERBI SENDA, PEUGEOT XP6 2000, MBK X-LIMIT 2003, XP7 ...
Reference: D530.30
Crown to be machined, in aluminium, available from 30 to 70 teeth! For 530 chain.
Reference: 26018
Crown very good quality, identical to the original but with a much lower price. Available in 48 or 52 teeth. 6 attachment points, Ø100mm.
Reference: 264756
The same crown at the origin but with a low price!
Reference: 264725
A crown of very good quality, identical to the origin but much less expensive.
Very good quality, ideal for adjusting the transmission of your 50cc gearbox as well as possible.Centering Ø 44mm, diameter of the screw anchors 60mm.
