Continental Sonderklasse II Tire - 700 x 23 Tubular Folding Black BlackChili CheckoutSpec= Bag/20 CeramicSpeed's OSPW RS System for

CeramicSpeed's OSPW RS System for Shimano Road Dura-Ace R9250 and Ultegra R8150 has been lifted with a distinctly modern and angular design

Provides 52mm or 55mm chainline depending on crank specification Tooth Count 34 Drivetrain Speeds 12 Round or Oval Round Offset 3 Material Aluminum Color Black Defined Color Black Direct Mount Type Direct Mount SRAM 3-Bolt Size 34T

5-mm front bolts five 6-mm front bolts and five 5-mm rear nuts so they will fit just about any chainring/crank combination including those with threaded holes

Features a ring pull know on each tool to quickly remove from stow

True one-finger braking is at hand

Continental Sonderklasse II Tire - 700 x 23 Tubular Folding Black BlackChili CheckoutSpec= Bag/20 CeramicSpeed's OSPW RS System forThe Sonderklasse II is an extremely light and fast handling tire made for endurance racing on the wooden boards. A special slick profile for the highest speeds putsthis tire into a class of its own in the track racing range. TPI 330 Color Black Weight 195 Defined Color Black ISO Width (mm) 23 ISO Diameter 622 Road 29" Tire Intended Use Road Tire Diameter 700c Tire Bead Folding Labeled Size 700 x 23 Tire Type Tubular PSI 170