SDG Bel-Air RL Saddle CrMo Rail - Black ModelNumber=K4307 A wider bead wall effectively

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

Designed from the ground up Rim Stix work with all tire and rim combos and include an emergency valve core remover

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

Model SRC Front/Rear Rear (HG 8-11sp) Axle/Spacing (mm) 12x170/177 Hole 32 Spoke J-Bend Brake 6-Bolt Color Black Weight 377g Axle Type Thru-Axle Size 12 X 170/177Mm

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

SDG Bel-Air RL Saddle CrMo Rail - Black ModelNumber=K4307 A wider bead wall effectivelyComfort, 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