255/50R21 Continental Contiwintercontact Ts 830 P 109HWhere reliability meets refinement: the 255 50R21 Continental Contiwintercontact Ts 830 P 109H. Built by Continental, the CONTIWINTERCONTACT TS 830 P emphasizes balance: grip when you need it and comfort when you want it. A durable Blackwall sidewall contributes to visual appeal and added resilience for urban and highway driving. The tread pattern is tuned to maintain traction on dry pavement, manage water in the wet, and stay composed in light snow.