Specialized sirrus stc my17 crosstrail carbon & my18 sirrus carbon seat clamp wedge sb blk w/blk bolt Tip Size-6mm Synthetic yarns are blended to

Synthetic yarns are blended to have a soft feel and move moisture away from the skin all while providing the perfect amount of compression

Shimano "Top Normal" feature for faster shifting

The Hope Center-Lock Lockring is designed for use with a center-lock disc rotor

Cassette Body Type Shimano/SRAM 8 9 10 Speed Cassette Cogs 12-13-15-17-19-22-25-28-32-36 Drivetrain Speeds 10 Range 12-36 Color Silver Defined Color Silver

Specialized sirrus stc my17 crosstrail carbon & my18 sirrus carbon seat clamp wedge sb blk w/blk bolt Tip Size-6mm Synthetic yarns are blended toSTC WEDGE MY17+ SBC ACTIVE BIKES SEATPOST WEDGE ASSEMBLY (V2)