Help keep the fairways healthy on your favourite golf course by using these fantastic z1 hedgehog wheels designed to lower the level of interaction between your z1 push and the golf course reducing the damage caused during wet weather conditions stewart golf z1 hedgehog wheels 2 large rear wheels 1 smaller front wheel with durable rubber spikes reduces damage to your golf course avoid winter trolley bansplease note that these wheels will not fit the stewart z3 trolley