SDG Bel-Air RL Saddle CrMo Rail - Black ModelNumber=K4307 1 1/8" top (straight 1

1 1/8" top (straight 1 1/8" or 1 1/2" to 1 1/8" taper) steerer tubes only

and this is the second fluor-free MWC

Its Sacred Geometry hollow bead wall and Bead Bite tubeless interface improve lateral stiffness impact resistance and air retention—even under low pressure

1 RC2 W/ButterCups Damping Adjustments External begin stroke rebound low speed compression high speed compression e-Bike approved Yes Steerer Tube 1-1/8-1

A wider bead wall effectively reduces pinch flats and increases impact resistance

SDG Bel-Air RL Saddle CrMo Rail - Black ModelNumber=K4307 1 1/8" top (straight 1Comfort, pressure relief groove on top Synthetic top with Kevlar sides, or microfiber with Cordura sides, generous foam padding Traditional railed saddle with nylon carbon base. Nose and tail guards Model Bel Air RL Rails CrMo Top Synthetic Color Black LxW (mm) 270x140 Weight 320g