DID origin Chain kitDERBI 50 ASTRO 50 - 2001 - 2003Ref : DE00085A / 102505101

BULTACO 50 Astro SM Chain Kit - Original by DID

Complete D.I.D chain kit designed for replacing the drive train, featuring a steel sprocket and crown for a composition close to the original. The provided assembly allows for a complete repair in a single operation and easy identification of parts during maintenance.

Design and Materials

• D.I.D 420D(B&B) RJ type D chain to maintain the manufacturer's reference during replacement.
• C50 steel crown offering suitable resistance for urban and road use.
• Standard version steel sprocket for direct replacement of the original sprocket.
• Black/black finish on chain and crown for a discreet and uniform appearance on the motorcycle.

Practicality and Features

• Complete kit with sprocket, C50 steel crown, and D.I.D chain for a single purchase replacement.
• Provided gear ratio 13/53*132 corresponding to the kit contents.
• Chain length of 132 links and pitch of 420 for a fit that matches the supplied gear ratio.
• Clip attachment included for quicker installation during assembly.
• Type of seal: None, maintenance suitable for non-sealed chains is recommended to preserve lifespan.
• Chain kits of inferior quality to the original quality are not guaranteed.

Examples of Compatible Motorcycles

• DERBI BULTACO 50 2T ASTRO LC CARB E1 50 (2003)

Complete list of compatible motorcycles available in the dedicated section below