Kit complete chain reinforced FRANCE EQUIPEMENT of origin size therefore not of 428, crown with number of teeth to the choices (from 46 to 63 teeth), pinion of 13 to 17 teeth with the choices. BETA RR MOTARD, SM, SUPER MOTARD, ENDURO, CROSS 125cc air cooling before 2010, 4 quality with the choices:
-Reinforced: With RK 428 H STANDARD Reinforced
-Ultra reinforced: with chain RK428MXZ, very high quality, very reinforced, but not self-lubricated!
-Reinforced O'RING: With a chain RK 428 KRO Reinforced O-ring, so with seal that maintain lubrication!
-Ultra reinforced RX'RING: With a chain RK 428 XSO Ultra Reinforced RX-ring, therefore with seal which keep lubrication! The best chain in the market, extremely long life!
The pinion and the crown are cut in the best materials for a quality and an optimal life! The bikes BETA RR MOTARD, SM, ENDURO, CROSS ... 125cc are equipped with a chain kit of low range (identical to the first price here) and in 14X50 teeth! You will choose a larger sprocket or smaller crown for more top speed, and a smaller sprocket for more acceleration! Be careful, a longer chain kit is harder to tie, so have at least one exhaust line and a sports air filter to pull a tooth or two of sprocket more. A tooth with the pinion is equivalent to 5 teeth to the crown!
Example :
If your speed in 14X52 teeth is 100 KM / H at 8000 rpm
It will be: 104KM / H in 14X50 teeth at 8000 rpm
It will be: 107.14KM / H in 15X52 teeth at 8000 rpm
It will be: 111.43KM / H in 15X50 teeth at 8000 rpm
....
Mounts on :
BETA RR SUPER MOTOR, MOTOR, SM, ENDURO, CROSS ... Air cooling before 2010
