NEW Continental Grand Prix 4-Season Tire 700x25 Black DuraSkin Folding variant-size-56 Back and bottom reflective accents:

Back and bottom reflective accents: Enhance visibility

Color: Dark Red

Surly recommends the following sizes based on rider height:

Soluble in all mineral and synthetic engine oils

NEW Continental Grand Prix 4-Season Tire 700x25 Black DuraSkin Folding variant-size-56 Back and bottom reflective accents:The Continental Grand Prix 4 Season is an all year round tire and a reliable companion for those high mileage road cyclists. Maxgrip silica tread compound is formulated to wear longer and offer improved traction in wet conditions and lower temperatures Highly puncture resistant casing with Duraskin sidewall protection Uses a double Vectran fiber breaker which is extremely resistant to cuts and tears Defined Color: Black Weight (oz): 8. 1 PSI: 120 TPI: