You may back order this item and it will ship when it arrives in stock.
Please Log in to receive a notification when this item arrives in stock.
$1.99 Flat Rate Shipping!
This item is eligible for $1.99 flat rate shipping Learn More
This item earns up to 40 VIP Reward Points
A 1st Knuckle adaptor is for old 15mm square hole, vertical style hitches. The 1st Knuckle adaptor makes it possible to use an older Adam's Trail-A-Bike with the new and improved hitch. All Trail-A-Bike models from 1998 (or one with a 15mm vertical lock pin) require a retrofit to replace the old knuckle with a 1st Knuckle.
This product was added to our catalog on April 25, 2018