Or as low as 
Vittoria Corsa G+ Isotech Tubular Tyre – 700c
The world’s best-known and most-used cotton tubular tire is the best performance tire: fast, flexible, reliable and proven by millions of race kilometers, evolved.
Features:
- 4C compound for best speed, grip, durability and puncture protection
- Kevlar® reinforced Corespun K for increased sidewall protection
- G+ Graphene for superb grip, speed and rolling resistance
- Isogrip compound
- Excellent flat protection
- 220 TPI
- Weight: From 265g
- 28mm version is a special production as used by the pro peleton.
