The Viper with AXYS by HENRYS. Thanks to its butterfly shape its ideal for string tricks but also performs looping well. With Speed Explosion AXYS axle system changeable from ball bearing version to sliding bearings, wooden bearings, firm or loose. Anodized precision aluminium hubs with smooth-running precision ball bearings and springy shells. Ø 66mm, width 35mm, weight 55g.