Specification BrakeStyle : rim Brand : RoyalBaby BulletPoint1 : Safety Assurance: Supported by two side training wheels, it balances the bike body, reduces the risk of children falling while riding, builds riding confidence, and minimizes accidents such as scrapes or collisions caused by imbalance, giving parents greater peace of mind BulletPoint2 : Wear-Resistant Materials: Made with high-quality wheel surfaces, it provides shock absorption and quiet operation, suitable for various road surfaces (cement, asphalt, plastic tracks, etc.). The sturdy brackets ensure strong support and extend service life BulletPoint3 : Universal Compatibility: Compatible with most 12-18 inch children's bicycles, such as RoyalBaby, WEIZE, Joystar, ONLYGU, Petimini and other kids' bikes. It can be installed via pre-drilled holes in the frame or universal clip fasteners, allowing parents to install it themselves BulletPoint4 : Multi-Scene Application: Suitable for various venues like parks, residential areas, and courtyards. It reduces the burden of parents holding the bike, allows children to explore independently in a safe environment, and enhances the ease of parent-child companionship BulletPoint5 : Always Reliable: RoyalBaby bike complies with the CPSC and EN-71 standards, and is trusted by millions of families from over 80 countries. Customers will be provided with high level warranty and local 24 hours service when contacting RoyalBaby for any queries Color : Black CompatibleWithVehicleType : Bicycle ExteriorFinish : Alloy Steel ExternallyAssignedProductIdentifier : 6975531563550 ExternallyAssignedProductIdentifier1 : 072774665020 ExternallyAssignedProductIdentifier2 : 0072774665020 IncludedComponents : Training Wheels (One Pair) ItemName : RoyalBaby Kids Bike Training Wheels for RoyalBaby 16 Inch & 18 Inch Bicycle, 16"/18" Black, 1 Pair ItemPackageDimensions_Height : 29.21 centimeters ItemPackageDimensions_Length : 5.08 centimeters ItemPackageDimensions_Width : 24.13 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : bike-wheels LoadIndex : 50 Manufacturer : RoyalBaby Cycle Material : Steel MaximumWeightRecommendation : 300 pounds ModelName : Training Wheel ModelNumber : 6970962662704 NumberOfItems : 1 NumberOfSpokes : 36 PackageLevel : unit PartNumber : 6970962662704 PitchCircleDiameter : 10 centimeters ProductDescription : Item Specifications: Size: 700C, Type: Tube Only, Brake Type: RIM, Axle: QR, Width ID (mm): 19, O.L.D.: 135, Ft / Rr / St: RR, Rim Model: Alloy, Hub Model: W/M MT-5000, Wall: Sgl, Hub Color: Blk, Spoke Type: 14G BK, Valve: SV, Rim Color: Blk MSW, Gears: 5/6/7s FW, Spoke Count: 36H, ProductSiteLaunchDate : 2023-09-01T08:30:32.124Z Size : 16 Inch / 18 Inch Style : For 16/18 Inch Wheel Bike SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 31162702 WarrantyDescription : Limited WebsiteShippingWeight : 0.794 kilograms