Technical specifications
Function: adjustable stoker stem with integrated dual-diameter seat tube clamp
Adjustment:
- Diagonal adjustment through the stem body
- Independent adjustment of stoker handlebar and captain saddle position
Mounting system: integrated Campmajó dual-clamp system fixing directly to the seat tube and seatpost
Available diameters (seatpost / seat tube):
- 27.2 / 31.8 mm
- 30.9 / 34.9 mm
- 31.6 / 34.9 mm
Handlebar compatibility: 31.8mm diameter clamp
Independence: allows seatpost height adjustment without affecting stoker handlebar position
Dropper compatibility: fully compatible with dropper seatposts
Additional features: integrated threaded mounts for one bottle cage
Design: modular and robust structure designed for precise adjustment and high stability
Material: high-strength 7020 aluminium
Finish: matte black
Use case: ideal for tandem setups requiring frequent adjustment, multiple riders or tandems with captain dropper seatpost
Manufacturing: designed and manufactured by Campmajó Bikes in Tarragona, Spain
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