NEW Continental Grand Prix 4-Season Tire 700x25 Black DuraSkin Folding variant-size-56 Ultegra Di2 6770

Ultegra Di2 6770

Surly recommends the following sizes based on rider height:

This bar provides comfort and power with an impressive weight

Now let's rally

Rounded external edge prevents cutting of skin in case of contact with rotor

NEW Continental Grand Prix 4-Season Tire 700x25 Black DuraSkin Folding variant-size-56 Ultegra Di2 6770The 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: