Suggested Retail: $34.99. Ultraverse Kids Bike Training Wheels for 20 Inch Tire Size with Wide Silent Wheels - The Ultraverse Kids Bike Training Wheels are designed for 20 inch tire size with wide silent wheels. They work on most 20 inch bicycles, but may not be compatible with some mountain or BMX bikes. The wheels are easy to install and adjustable in height. Made of high quality plastic and rubber, they are anti-slip, wear resistant, lightweight and quiet. The steel pipe is sturdy and heavy duty, with a unique double bearing design for stability. These training wheels can support riders up to 120 lbs and are perfect for helping children learn to ride a bike. Brand: Ultraverse Model: Ultrv-10001 -- LOT STICKER: BB-BOX-BOX00000156-ITEM-LPNRRFM9478638-81d1a884 -- SIZES ARE ESTIMATED. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.