✓ Training Wheels Flash Mute Wheel Bicycle stabiliser Mounted Kit Compatible for Bikes of 12 14 16 18 20 Inch, 1 Pair Specification: ✓ Material: Steel + Plastics + Rubber ✓Color: Blue ,Black, Red, Green ✓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 ✓How to Install Bicycle Training Wheels? 1. Insert bolt though wheel. Attach nut and tighten. Follow the step: Screw - Wheel -Support rod - Screw washer - Nut- Nut wrench - Tighten and fixed 2.Remove rear axle nut from bicycle wheel axle. 3. Depending on the size of the bicycle or the size of the wheel, select the appropriate the limit piece. 4. Determine desired height of training wheels. When attached, the training wheels should have about 1/4 to 1/8 in clearance from the ground. 5. Keep your bicycle vertical with ground, make sure two training wheels vertical with ground too. Tighten axle nut by our wrench. ✓A Pair of Bicycle Mute Training Wheels for 12 14 16 18 20 inch Single Speed Bicycle stabilizer ✓If you are not satisfied with our products, you can contact us by email and we will solve it for you within 24 hours.If you are not satisfied with our products, you can contact us by email and we will solve it for you within 24 hours. Easy to install, comprises two nuts, two washers, two shoulder bolts, two vertical bracket arms, two wheels, a car bell, a wrench. Material: high-quality ABS wheels and high-quality steel, which will be safer and more stable for beginners. Light weight and noiseless. This Set of Heavy Duty Rear Training Wheel Stabilizers Assists Young Learners to Ride Bicycle until They Have Developed a Usable Sense of Balance on the Bicycle. Improve your child's safety and confidence without holding the back of the saddle. Much more durable, fit for Children's bicycles of 12"/14"/ 16"/ 18"/ 20" Wheels diameter:4.33 inch. Tips: For Single Speed Bikes Only (Cannot Be Installed On Bikes with Derailleurs) and Supports Riders up to 100 Pounds.Vehicle Service Type: Bicycle. Item Diameter: 4.33 Inches. Rim Size: 18 Inches. Material: Abs,Rubber,Steel. Brand: DREAMWIN. Size: 10 inch. Date First Available: June 17, 2020. Best Sellers Rank: #116,675 in Sports & Outdoors. Customer Reviews: 3.7 out of 5 stars 1,263 ratings 3.7 out of 5 stars. : B08BC46VXG. Size: ?10 inch. Part Number: ?DREAMWIN. Manufacturer: ?DREAMWIN. Material: ?Abs,Rubber,Steel. Color: ?Red. Brand Name: ?DREAMWIN. Package Weight: ?0.66 Kilograms. Item Package Dimensions L x W x H: ?9 x 5.5 x 2 inches.