Rim Diameter:20 Inches Item Weight:602 g Features: - The bicycle auxiliary wheels provide the necessary security and stability which it needs in the first road tests on the bike. - Ensure your child is safe when learning to ride. - Gives your child the best start to gain their balance and confidence on two wheels. - Supplied with fitting kit for easy installment to cycle. - Universal fitting all 12" - 20" Wheels. - The support wheels are individually adjustable. - Stable metal supports for more security. Specifications: Dimensions: approx 24.4 x 19.9 x 2.5 cm Suitable for all bikes from 12 to 20 inches Wheel Size: 12.5 cm Width: 2.5 cm Weight: 0.7kg Material: plastic / steel Colour: Red Package Included: 2 x Support Wheels About this item [Bicycle Auxiliary Wheel]: This bicycle wheel stabilizers is designed for road practices, help beginners gradually learn how to balance on a bicycle [Universal]: Compatible with most bike of 12 to 20 Inches, comes with parts, support wheels are individually adjustable & easy to install [Safe and Stable]: High quality steel bracket arms will deliver the safety and stability you need for your first road test, more security and stability for bike beginner [100% Satisfaction]: If you have any question about this item, please feel free to contact us, we will help you within 24 hours See more product details [Bicycle Auxiliary Wheel]: This bicycle wheel stabilizers is designed for road practices, help beginners gradually learn how to balance on a bicycle [Universal]: Compatible with most bike of 12 to 20 Inches, comes with parts, support wheels are individually adjustable & easy to install [Safe and Stable]: High quality steel bracket arms will deliver the safety and stability you need for your first road test, more security and stability for bike beginner [100% Satisfaction]: If you have any question about this item, please feel free to contact us, we will help you within 24 hours