Vittoria cross evo xn tubular cyclocross tyrevittorias latest offering to cyclocross riders comes packaged in the innovative and exclusive cross evo xn tubular cyclocross tyre this dry weather tubular tyre features vittorias exclusive 320 tpi casing with latex inner to offer you the same smooth grippy ride you receive when running their competition series tyres fast and lightthis cross evo xn tubular cyclocross tyre is perfectly suited to firm dry courses vittorias diamond tread will en