2Pcs Upgraded Bicycle Axle Extenders,304 Stainless Steel Stabilizer Extension Bolts for 12-20″ Kids Bikes Training Wheels

About this item Upgraded Material: Made of 304 stainlss steel, which is More sturdy and durable ,corrosion-resistant and long-lasting . Function: used to solve the problem of not being able to install training wheels on bicycles with short rear axles. Easy to Install : Easy fit stabilizer extension bolts with 3/8inch(9.5mm) thread Wide Application: Fit most kids bikes from 20″- 26″ Wheel Enables you to keep the gears on the bike and fit your stabilizers Dimensions: 3/8″ × 24TPI × 45mm, the limited length is 23mm, and the thread length is 22mm