Selle San Marco Regal Short Open-Fit Dynamic Narrow Stack Height-19 10% Polyamide

10% Polyamide

and here are instructions on how to measure your BCD

This arrangement of bearings adds durability to the design

Axle Type 12mm TA Freehub Body SRAM XD-R Position Rear Hub Drilling 24H Hub Spacing 142mm Hub Spoke Type J-bend Hub Weight 223g Primary Color Pink Rotor Mount Center Lock

Selle San Marco Regal Short Open-Fit Dynamic Narrow Stack Height-19 10% PolyamideMade using a patented design, the Bow Rail System is fixed to the saddle's rearmost part, allowing the shell to be flexible and work with your body Adding shock absorbers allows flex Finished with manganese rails and an Open Fit design Model Regal Short Dynamic Size Narrow (S3) Rails Manganese Color Black LxW (mm) 255x140 Weight 280g Width Narrow