OkBaby Sirius Reclining Seat Mounted Child Seat

Okbaby has always guaranteed the highest standards in creativity, reliability and safety, especially for the delicate and demanding baby and infant sector. In its quest to develop new and innovative products, Okbaby has expanded its business by opening a state-of-the-art facility with 8,000 square metres of indoor space.

The Sirius child seat is designed for the ultimate in comfort and safety for your child. The Sirius comes complete with the combination locking bracket system, comfort padded seating, a 30&deg recline and easyfold storage. The Sirius really is a luxury when it comes to child seats and will give your child the best of any ride.

The child seat mounts to the seat post of the bike. The Three point safety harness secures your child safely and cannot be released by the child.


  • Child weight MAX: 22 kg
  • To be fixed on the seat tube with diameter between 28 and 40 mm
  • Adjusts horizontally by changing the angle of the multi-position backrest
  • Reclining backrest (30°)
  • Folding bike seat easy to carry and to store away
  • Equipped with ABS (Automatic Barycenter System), which maintains the center of gravity in the right position regardless of the seat back angle
  • Footrests: height adjustment in thirteen positions and equipped with safety straps and protective guards to avoid contact with the wheel spokes
  • 3-point safety harness adjustable in height in two positions and in length
  • Approved rear reflector, to make the bike seat more visible on the road
  • Thermoformed, water-repellent and weatherproof padding
  • The padding can be hand washed in lukewarm water with neutral soap
  • Toxic-free materials
  • Equipped with combination lock security system bracket
  • Patented model: you can recline the bike seat without compromising the balance, because the center of gravity stays in place over the center of the wheel. You can recline the bike seat with the child on it, while riding your bike, thanks to a central push-button.
  • The seat can be also mounted on power-assisted bicycles (E-bikes)
  • Supporting system that dampens vibrations caused by the unevenness of the road