UNIVERSAL:Suitable for Mountain bicycle, Road bicycle, Folding bike; For both double track seat tube and clip seat tube.Size 10.6"(long)* 8"(wide)
INTIMATE DESIGN?Inner high density perforating foam plus dual springs (covered by rubber rings for avoiding clip or hurt fingers), providing superior buffer and shock proof performance.
USE COMFORTABLE:Middle groove is helpful to air ventilation and sweat releasing,good for cyclers to go a long comfortable trip, hiking, cycling.
SUPERIOR QUALITY:Light weight elastomer spring for a smooth & supple ride.
EASY INSTALLATION: Great replacement for your beloved bike.Universal design installs on any standard seat post.