Key features

• •[**Compatibility Check**] To fit correctly on your bike, please check your bike's rear axle studs have at least 3/4" (0.75"/19mm) of exposed length. Additionally, the model you are currently browsing is for 20-inch, single-speed bikes. You can measure your bike size to avoid buying wrong. If both above are met, then you can pick this training wheels for 20 bike with full assurance!
• •[Ultra-Sturdy Brackets] As the most robust bracket ever, crafted from military-grade high-strength steel via one-piece precision stamping, our heavy duty training wheels brackets support up to 1,064 lbs per side (5 adults). Larger, wider, and thicker, provide long-term durability for children's safe riding. Your kid will no longer fear bending, wobbling or falling
• •[Dual Anti-Tip Protection] Tailored for different bike sizes separately, each size of our kids training wheels features a scientifically calibrated best lateral extension to maximize support and stability. Paired with 1.7-inch ultra-wide tires, will effectively prevent tipping over during turns or bumps, giving kids incomparable confident riding experience
• •[Dual Anti-Loss Protection] To better withstand nut loosening caused by long-term road vibration and impact, we use enlarged washers and deepened nuts with built-in elastic nylon. They will deform when tightened for a snug fit, greatly increasing friction and ensuring a firm lock—eliminating the risk of child injuries due to wheels falling off
• •[Triple Noise-Reduction Design] To avoid disturbing your neighbors while riding in the block, we equipped each wheel with a soft 85A PU tire and two premium ABEC-7 mute bearings to minimize abrasive sounds. A honeycomb hub absorbs low-frequency hum, while a sealed hubcap further blocks the rumble. Cutting the noise of the kids bike training wheels by 60% for a hassle-free quite ride anytime!
• •[Learn to Ride Easily] The 5 holes adjustable design (5mm/0.2inch increments per stage) simplifies installation and height alignment. By progressively increasing ground clearance, the child will feel more secure and naturally adapt to riding with less support. Helping them effortlessly and joyously develop true balance skills step-by-step