Circe – Helios Triplet Complete Tandem

Any Helios tandem model can have the Triplet module added to convert it into a Triplet bike, but for general usage, like the school run or leisure family rides, we recommend a build based on the Helios Duo.


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FrameHelios w/Triplet Kit
ForkCro-Mo with V and Disc brake mounts
Crankset captainShimano Sora 170 mm 39T
Crankset stoker oneCirce junior crankset 125 mm / 39/34T
Crankset stoker twoCirce Junior crankset 125mm / 52/39/34T
Brake frontAvid BB7-MTB Disc/160mm
Brake rearAvid BB7-MTB Disc/160mm
Shift leverAlivio Rapidfire
Brake leverAlivio
Bottom bracketShimano Hollowtech II
Front derailleurMicroshift
Rear derailleurShimano Sora 9sp
Front hubShimano RS505 Splined 32h
Rear hubShimano RS505 Splined 32h
RimCirce CH-240 32h
TyreSchwalbe Big Apple 20″x2″ (50-406)
Handlebar stoker oneCirce stoker
Handlebar stoker twoStraight
Handlebar captainStraight
Saddle captain2B Comfort
Saddle both stokersCirce Junior saddle
Seatpost captainOne piece
Seatpost stoker oneOne piece
Seatpost stoker twoTelescopic
CassetteShimano 9sp (11-32)