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Gossamer MegaExo Tandem

Gossamer MegaExo Tandem


Cold-forged 6061 aluminium crank arms mean that the Gossamer Tandem crankset has the strength and reliability that tandem riders look for. A spacer system allows the chainline to be adjusted over a 10mm range, allowing the timing chain to be perfectly aligned. The rear chainset has a wide-range 52/39/30 triple configuation on the drive-side and a 42T ring opposite for the crossover drive. Both front and rear chainsets are available with a choice of arm lengths, and you can choose different lengths for front and rear. Laser-etched graphics provide a distinctive finishing touch.

  • BCD 130mm Double
    130mm Bolt Circle Diameter
  • Hollow Forging Aluminum
    Hollow forged crank arm techology
  • Megaexo
    External bottom bracket bearing and crank system


  • Cold forged AL6061/T6 aluminium crankarms
  • Monocoque crankarm and spider
  • Unique spacer system allows chainline adjustability
  • Q-Factor - 165mm
  • BCD - 130/74mm
  • 52/39/30T, 42T


  • Sizes: Front Arms - L172.5mm, L175mm
  • Rear Arms - L165mm, L170mm, L172.5mm
  • Crank Weight: 1,756g (front and rear crankset)