Balance Bikes 2 Stroke 4 Stroke Trials Sherco 4 Stroke Range Sherco 250 4T SEF Factory $17,999.00 Sherco 300 4T SEF Factory – Hamish MacDonald Replica $19,200.00 Sherco 450 4T SEF Factory $19,500.00 Sherco SEF 4T 500 Factory $19,750.00