Thule Sleek Adapter Kit

Upper and lower adapters to configure your Thule Sleek into a sibling stroller.

• Quick and easy mounting and dismounting
• Adapters can be kept on while folding stroller
• Enables duo configurations with Thule Sleek main seat, Thule Sleek Sibling Seat, Thule Sleek Bassinet and specific car seats (for car seat configurations additional car seat adapters are required)
• Thule Sleek Adapter kit is included in Thule Sleek Bassinet and Thule Sleek Sibling Seat

Free shipping on eligible orders over $100.

Flat-rate shipping of $9.99 on eligible orders of $100 or less.

Estimated transit time is 1–3 business days after shipment.

Shipping charges and delivery options are confirmed at checkout.

Eligible online purchases may be returned within 15 days of delivery.

Please note: Strollers and car seats are final sale.

View our full Return & Refund Policy