Volume Staple Stem synkro clone ktm shop nederland Versatile aero wheelset for Versatile aero wheelset for the modern road bike with tubeless and hookless rim profile Optimized tire bed for easy tire installation Wide 23mm rim profile creates a better tire interface to be fast on or off the road New ZR1 DB hub is engineered in Germany with better seal design for improved durability and quicker response with 66 points of engagement Ships with 12mm front and rear end caps Center locking rotor interface Zipp also tapped into expertise gained from its pioneering carbon stems and exhaustively researched the marketplace to create the SL Sprint Stem Reach: 53mm Stack Height: 33m Rise (Upright) 34mm Weight: 12