Circe – Helios Duo Complete Tandem

The Duo is the general purpose Helios. Specced for versatility, it is an ideal family, utility or sports bike that, with the addition of the Cargo rack conversion, can serve as a standalone child or freight carrier.



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ForkCro-Mo with V & Disc mounts
Crankset stokerSora 50/39/30T,170mm
Crankset captainSora 30T,170mm (c/guard)
Brake – frontAlivio V-brake
Brake – rearAlivio V-brake
Shift leverAlivio Rapidfire
Brake leverDeore
Bottom BracketShimano Hollowtech II
Front derailleurMicroshift
Rear derailleurSora 9sp
Front hubShimano RS505 Splined 32h
Rear hubShimano RS505 Splined 32h
RimCirce CH-240 32h
TyreSchwalbe Big Apple 20″ x 2″ (50-406)
Handlebar captainStraight
Handlebar stokerCirce stoker
Saddles2B Comfort
Seatpost captainOne piece
Seatpost stokerTelescopic
CassetteAlivio 9sp (11-32)
Gear range in inches23″ – 85″