Bicycle Training Wheels(12 to 20Inch Wheels) boy/girl outdoor learning safe ride

HURRISE Bicycle Training Wheels(12 to 20Inch Wheels) Specification: Dimensions: approx 24.4 x 19.9 x 2.5 cm Suitable for all bikes from 12 to 20 inches Material: plastic / steel Package includes: 2 x Stable jockey wheel for bicycles from 12 "- 20" mounting material. ãMaterialãMade of high quality ABS+Steel material, and our training wheels support rods are updated to 3.0mm,while the old support rods are 2.5mm.This new one will be more strong and stable for training. ãUniversalãThis practical training wheels, with 12",14",16",18",20"individually height adjustable holes,universal fitting all 12" - 20" Wheel Bicycles with single speed only. ãFunctionãStabilizer wheel kit can 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 on two wheels. ãSizeãWheel Size: Dia.11 x W2.6 cm/4.33 x 1.02inch,Bracket: L23 x W3 x0.3cm/9 x1.18 x0.12inch. ãInstallationãWhen installing the training wheels,you need to place the limit block inside properly.One side of limit block is with a prominent corner and it need to be stuck in the frame.And need to pay attention to the bilateral balance, generally slightly higher than the rear wheel 0.5-1CM and higher than the ground about 0.5cm.Please note that do not install too high or too low from the ground and must tighten the screws before ride.