Reference: 2937.1558.38
Crown 38 to 43 teeth in 520 FRANCE EQUIPEMENT for APRILIA RS, TUONO 125cc from 1993 to 2007
Very good quality, ideal for best tuning the transmission of your 125cc motorcycle ....
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Kit complete chain reinforced FRANCE EQUIPMENT original size so no 428, 39-crown 46 teeth to the choices Pinion 13, 14, 15, 16, 17 and 18 teeth to the choices. Ideal for a start up on your HONDA CBR 125cc R, 3 versions to choose.
Reinforced: With RK chain 428 HZ STANDARD Reinforced
Hyper strengthened: With RK chain MXZ 428 HYPER Reinforced
Hyper reinforced O-RING: With RK chain HYPER 428 XSO Reinforced O-ring, so with seal holding the grease!
The pinion and the crown are cut from the best materials for quality and optimum life! You should know that original, motorcycles HONDA CBR 125 R 125cc équippées are a fairly low range channel kit (same as first prize here), and a final transmission 15X44 (after 2011)! You choose a bigger gear for more top speed, and a smaller gear for more acceleration! Attention kit chain longer tier is more difficult, so plan at least an exhaust and a sport air filter to pull a tooth or two gear more. A tooth pinion equivalent is around 5 teeth has the crown!
example:
If your teeth 14X52 speed is 100 KM / H 8000 rpm
It will be: 104km / H 14X50 teeth 8000 rpm
It will be: 107,14KM / H 15X52 teeth 8000 rpm
It will be: 111,43KM / H 15X50 teeth 8000 rpm
....
Itself on:
HONDA CBR 125cc 4T R from 2011
Reference: 2937.1558.38
Very good quality, ideal for best tuning the transmission of your 125cc motorcycle ....
Reference: 15022.E394.10
Pinion gearbox output 10 to 17 teeth to choose !!! High quality certified.
Reference: 58520D.084
High quality chain width 520 specific models with numbers of links to choice!