With Giant's all-new Gavia Course tires, today's road riders can now enjoy the performance benefits that mountain bikers have known for years: lower rolling resistance, better cornering traction, improved comfort and more safety due to a reduced risk of flats Featuring an exclusive ultra-lightweight and cut-resistant Kevlar® material that ensures a high level of puncture protection in a fast rolling tire. *Currently available on Gavia Course 0. For ultimate low rolling resistance and excellent all-round grip, this compound offers consistent performance. Provides better tire shoulder grip resulting in superior cornering capability. 170 tpi casing Gavia Course 0 provides an exceptionally smooth ride. Lightweight and durable, the Carbon/Kevlar Composite Bead keeps the tire secured to the rim with greater strength to withstand the higher pressures necessary for road tires.