CSTP CZAR 700x23 BK/RD 120lb WIRE 145 MM a lightweight aerospace grade material

a lightweight aerospace grade material that makes for the strongest of all Prologo rails

Narrow wide tooth profile benefits include reduced articulation in the chain while retaining accurate shifting

while providing impact defense

Great for use on suspension forks

Steel retainer bearings

CSTP CZAR 700x23 BK/RD 120lb WIRE 145 MM a lightweight aerospace grade materialLite race training tire with grooved lateral tread for traction, smooth center. DC Dual Compound, two compounds comprised of a harder, longer lasting center and a softer gripping corner EPS Exceptional Puncture Safety, offers an added layer of proprietary rubberized poly fiber material between the tread and the casing to help prevent punctures