Suntour AR II rear mech – RD-4200


Short cage 1980s ‘aero’ road rear derailleur

Only 1 left in stock


Sturdy mid-range, mid 80s road rear derailleur from the all-conquering Suntour. The AR* series of parts were a response to Shimano’s AX ‘aero’ groupset parts without the crazy styling and awkward plastic covers on everything. This short cage rear mech is date stamped 1986 and is from the AR II range which seemingly only hung around one year before it was replaced, it is essentially an ARX.

  • Model: RD-4200
  • Short cage
  • Total capacity of 28 teeth
  • Max cog size: 26
  • Weighs: 283 grams
  • Dated 1986
  • Made in Japan
  • Includes bolt on gear hanger

Additional information

Weight 450 g
Dimensions 30 × 20 × 10 cm