CONTROLTECH品牌是1989年由一群單車愛好者在美國西雅圖創立,致力於研並提供騎乘者最好的產品。 1990年專注登山車相關的零配件,2000年後延伸產品線至公路車、計時車及三鐵車的領域。 Absorbs vibrations from poor quality tarmac and rough terrain to deliver an incredibly comfortable ride. Excellent strength-to-weight ratio, creating a solid platform for you to maximize your cadence and power output. Compared to material like aluminum, UD carbon fiber offers greater flexibility so you’ll suffer less from the effects of potholes and bumps in the road. Stainless steel bolts will last a lifetime and keep your seatpost firmly clamped to your saddle. Setback: 0mm Diameter: 31.6mm Length: 400mm Weight: 245mm