The Sachs New Success was a well designed, well constructed and well finished piece of equipment - but Sachs was just not a fashionable name in the peleton - and it did not sell. A few years after the appearance of this model Sachs gave up the fight and sold their bicycle components division to SRAM.

If you have to bow out, this is not a bad model to bow out with.

I think this is the final version of the Sachs New Success, with cut-away pulley cage plates, ‘Centeron’-style guide pulley, sealed bearing tension pulley and titanium pulley bolts.

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• Derailleur brands: Sachs
• Categories: Sachs - the admirable, but stubbornly unsuccessful, Success
• Country: Germany, manufactured in France
• Date of introduction: 1994?
• Date of this example: unknown (stamped ‘X5’)
• Model no.: RN500 (Sutherland’s 6th edition)
• Weight: 229g
• Maximum cog: 32 teeth (stamped on cage)
• Total capacity: 28 teeth (stamped on cage)
• Pulley centre to centre: 50mm
• Index compatibility: 8 speed
• Chain width: 3/32”
• Logic: top normal
• B pivot: sprung
• P pivot: sprung
• Materials: aluminium, with titanium pulley bolts