Continental Grand Prix 4000 - 650c Tires - Clincher

Continental Grand Prix 4000 - 650c Tires - Clincher 

DESCRIPTION

Continental Grand Prix 4000 - 650c: Grand Prix 4000 uses Vectran fiber which is extremely resistant to cuts and tears. Symmetrical tread pattern, shifted to shoulder of tire for increased traction. Colored Grand Prix 4000 tires Use updated Activated

USER REVIEWS

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[Nov 18, 2013]
CRITIC
Triathlete

Strength:

Easy to Install
Run True
Flat Resistant
Fantastic Wear
Light 190g

Weakness:

Price ? Poor Reviews for 700 sidewalls

GP4000 Black Side Wall not the "S"
Bought New Old Stock in 2012
Not sure of the manufactured year
5000 KM so far rear tire is just squaring off
Time Trial Bike Weight is ~23 lbs with ~155 lb rider
105 psi Front and 110 Psi Rear
Zero Flats ... No Punctures ... No Blowouts or Separation
Handles fine at speeds up to 60 km/h on my bike

The Many Bad Reviews here of ALL Tire Manufacturers have Scared me.
Especially Reports of Sidewall Separation

Vittoria Web site has an Excellent Tire Pressure Chart
Select Casing TPI, Weight, and Road Conditions for Recommended Pressure.
Under the Tech section

Similar Products Used:

Michelin Pro Race, Vittoria Rubino, Hutchinson, Cadence Pro Kevlar

OVERALL
RATING
5
VALUE
RATING
5
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