Schwalbe Little Joe Active K-guard Endurance Tubeless 20´´ X 2.00 Mtb Tyre. Little Joe Active K-Guard Endurance Tubeless 20´´ x 2.00 MTB Tyre.Size:20´´ / 2.00.Little Joe is made for your child:He´s cool:- The profile works on mountain bikes yet still rolls well on the road.The reflective label is prominent ensuring good visibility.He's light:- A folding tire with LiteSkin sidewall considerable weight is saved on the wheel.Most saving is in the size 37-406.It seems unusually narrow, but we deliberately manufacture and recommend this size, because the performance is more than adequate for kids bikes.He's safe:- The K-Guard and 50 EPI carcasses provide the necessary puncture protection.Specifications:- Size:50-406 (20 x 2.00).- Performance:K-Guard.- Compound:Endurance Technology:Level 3 K-Guard:- Our minimum standard for protection belts.This Guard has been proven for many years.It consists of natural rubber and is reinforced with Kevlar® fibres.Together with the 50 Epi carcass all Active Line tires are well protected against punctures.Kevlar® is a trademark of DuPont.Active Line:- The basis for all Active Line tires is the high-quality 50 Epi casing material.Schwalbe no longer produces tires with a coarse 20 or 24 Epi casing material.In addition, K-Guard provides effective puncture protection for Active Line tires. tradeinn Bikeinn