Bultaco 50 ASTRO SM

Find below all chainkits, front and rear sprockets and chains for Bultaco 50 ASTRO SM.

Chain kit standard

  • ECONOMIC
  • STANDARD
  • ECONOMIC
  • STANDARD
SKU: KBU020-05
  • Front sprocket 13 teeth
    Front sprocket 13 teeth
    Exists from 10 to 16 teeth

  • Steel rear sprocket 53 teeth
    Steel rear sprocket 53 teeth
    Exists from 48 to 59 teeth
    Exists in Aluminium Ergal7075 / Steel

  • Chain 420 standard 132L
    Chain 420 standard 132L
    • No O ring



Economical model
« An entry-level chain kit at a very competitive price. »

Chain kit IRIS reinforced

  • REGULAR USE
  • REINFORCED
  • REGULAR USE
  • REINFORCED
SKU: KBU020-15
  • Front sprocket 13 teeth
    Front sprocket 13 teeth
    Exists from 10 to 16 teeth

  • Steel rear sprocket 53 teeth
    Steel rear sprocket 53 teeth
    Exists from 48 to 59 teeth
    Exists in Aluminium Ergal7075 / Steel

  • Chain Iris 420 reinforced gold 132 L
    Chain Iris 420 reinforced gold 132 L
    • No O ring



Gold chain
« A reinforced chain kit with gold chain. »

Chain kit RK reinforced

  • INTENSIVE USE
  • SUPER REINFORCED
  • INTENSIVE USE
  • SUPER REINFORCED
SKU: KBU020-25
  • Front sprocket 13 teeth
    Front sprocket 13 teeth
    Exists from 10 to 16 teeth

  • Steel rear sprocket 53 teeth
    Steel rear sprocket 53 teeth
    Exists from 48 to 59 teeth
    Exists in Aluminium Ergal7075 / Steel

  • Chain RK 420 reinforced 132L
    Chain RK 420 reinforced 132L
    • No O ring


    Resistance : 18.5kN


Multipurpose model
« A reinforced chain kit suitable for all uses. »

Chain kit RK UW-ring

  • INTENSIVE USE
  • SUPER REINFORCED
  • INTENSIVE USE
  • SUPER REINFORCED
SKU: KBU020-60
  • Front sprocket 13 teeth
    Front sprocket 13 teeth
    Exists from 10 to 16 teeth

  • Steel rear sprocket 53 teeth
    Steel rear sprocket 53 teeth
    Exists from 48 to 59 teeth
    Exists in Aluminium Ergal7075 / Steel

  • Chain RK 420 U'Ring reinforced 132 L
    Chain RK 420 U'Ring reinforced 132 L
    • U ring


    Resistance : 22.2kN


Premium Model
« A premium quality chain kit. »
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