ULTIMATE USE Vybe Suspension Seat PostThe suspension of the Vybe Suspension Seat Post reduces the effect of terrain on the body allowing energy to be concentrated on the pedals. This enables consistent seated pedalling for increased power and comfort. Youll finish your ride faster and fresher and ready to ride again. The Vybe features the DURO clamp, a highly acclaimed, quick fitting, simple to adjust system thats designed to ensure the perfect saddle position (full range of saddle tilt available). Serviceable and Rider-SpecificAll of ULTIMATE USE suspension seat posts are fully serviceable, adjustable for rider weight and give many years of loyal service with comfort, recovery and performance benefits. To achieve the optimum ride, choose your spring option from soft, medium or hard according to your weight. There is also a Pre-Load Adjustment screw at the bottom of the post allowing you to fine tune the post to give you the ultimate ride.Features: Durable alloy construction DURO rail clamp for fine angle adjustment Rider Weight Recommendation: Soft 38 - 55kg Medium 55 - 80kg Hard 80 - 100kgBuy ULTIMATE USE Components from Chain Reaction Cycles, the Worlds Largest Online Bike Store.