De diáMetro 
(Mm) | 
Segmento 
(Mm) | 
NúMero de segmento |

D300 | 
44.6/40*3.0*20 | 
21 |

D350 | 
44.6/40*3.2*20 | 
25 |

D350 | 
44.6/40*3.2*20 | 
25 |

D400 | 
44.6/40*3.6*20 | 
29 |

D450 | 
44.6/40*3.8*20 | 
32 |

D500 | 
44.6/40*4.2*20 | 
36 |

D600. | 
44.6/40*4.6*20 | 
42 |