The focus boldsup2 29 ltd electric mountain bike 2017 is a hardtail ebike built for use on rough terrain it39s intended for use on any kind of trail whether you39re on a downhill flat or uphill stretch powered by the new generation of shimano steps mtb motor it39s the consummate trail hardtail flying into corners and shooting out the focus boldsup2 lets you push your limits until none remain the triple butted aluminium tubes are designed so that the walls are thicker at area