• Orders placed after December 16 will be delivered after January 8
  • Buy a roof box, get 20% off roof racks
  • Extended returns on all November and December orders until January 31
  • A modular car seat system, simplified. Check out our car seats
  1. Home
  2. /
  3. Strollers
  4. /
  5. Accessories
  6. /
  7. Thule Sleek 2 sibling seat
Coming soon
Thule Sleek 2 sibling seat black
Thule Sleek 2 sibling seat black
Thule Sleek 2 sibling seat black
Thule Sleek 2 sibling seat black
Thule Sleek 2 sibling seat lifestyle
Thule Sleek 2 sibling seat lifestyle
A woman peers inside the gray Thule Sleek Sibling Seat canopy to see her child.
Parents sit in a cafe outside with their kids running around a stroller with a blue Thule Sleek Sibling Seat.
Thule Sleek 2 sibling seat lifestyle
A woman walks down a street with her kids in a stroller that has a blue Thule Sleek Sibling Seat.
Thule Sleek 2 sibling seat lifestyle
Current image number

Thule Sleek 2 sibling seat

sibling seat Black on black

CHF 349.95 349.95 CHF

Color

Thule Sleek 2 sibling seat black

Thule Sleek 2 sibling seat

sibling seat Black on black

In stock
Estimated availability
Estimated availability 13 January 2026
A comfortable and spacious seat that transforms your Thule Sleek 2 into a double stroller.

#

Your everyday single-to-double stroller

A perfect fit for two

Easily turn your Thule Sleek 2 into a comfortable sibling stroller—just add the Thule Sleek 2 sibling seat, and both kids are ready to ride.

Same comfort for both kids
The sibling seat offers full protection, comfort with recline options, and features like a magnetic buckle and adjustable footrest — just like the main seat
Numerous combinations
Add the sibling seat and combine it with options like a car seat, bassinet, rider board, or main seat to suit the age and needs of your kids

Compatibility

Thule Sleek 2

Dimensions (LxWxH)

25.5 x 10 x 83 cm

Weight

3.1 kg

Meets safety standards

Material

Steel, aluminum, plastic parts and solution dyed polyester fabrics

Country of origin

Poland

HS code

87150010

Color

Black on black

Model number

11000218

Spare parts

Select your vehicle to view instructions

Select your vehicle to get instructions for installing this roof rack on your car.

How to install the Thule Sleek 2 sibling seat

Notify me

Thule Sleek 2 sibling seat black

Thule Sleek 2 sibling seat

Black on black - 11000218

CHF 349.95 349.95 CHF

Invalid e-mail

Error

Thank you

Manufacturing information

Trademark Registered: Thule Sweden AB
Manufacturer Name: Thule Sweden
Manufacturer Address:  Borggatan 5, 335 73 Hillerstorp, Sweden
Email: Kontakt@thule.com
Website: www.thule.com