Martial: Steel Bracket & Rubber Wheelssuitable For Most Bike Of 12 To 20 Inches, Comes With Parts, They're Individually Adjustable & Easy To Installthese Heavy Duty Rear Training Wheels Provide The Necessary Security And Stability Which It Needs In The First Road Tests On The Bike.gives Your Child The Best Start To Gaining Their Balance And Confidence Without Holding The Back Of The Saddle.the 3mm Thick High Quality Steel Bracket Arms Will Be More Security And Stability For Bike Beginnerfor Single Speed Bikes Only, Please Check That These Training Wheels Are Compatible With Your Bike. Training Wheels Are Additional Wheels Mounted On The Rear Wheel To Maintain The Balance Of The Bike. It Is A Good Helper For Bicycle Beginners To Reduce Their Fear And Gradually Learn To Keep The Bike In Balance. Note: Check That These Training Wheels Are Properly Tightened Before Each Use. Specification: -material: Steel & Rubber -color: Black -size: Wheel: 4.33 Inch'4.33 Inch'0.98 Inch /11cm '11cm'2.5cm Bracket Arms: 10 Inch'1.1 Inch / 25.4cm'2.8cm -fit: 12/ 14/ 16/ 18/ 20 Inch Bicycles, Not For Variable Speed Bicycle Package Includes: 2 Wheels 2 Bracket Arms 2 Shoulder Bolts 2 Locking Nuts 2 Stop Block. 2 Gasket
Material: Steel & Rubber
Color: Black
Size: Wheel: 4.33 inch'4.33 inch'0.98 inch /11cm '11cm'2.5cm Bracket Arms: 10 inch'1.1 inch / 25.4cm'2.8cm