KS Clamp Bolt Nut KS's Clamp Bolts and Nuts are required on thier seatposts to keep saddles secure. Seat clamp bolts load into this nut to hold the upper and lower seat clamps securely on your saddle rails. Specifications:Sold individually Compatible with LEV / DX / Integra / Supernatural posts5 Grams Made in Taiwan | Ks | Clamp Bolt Nut For Lev/dx/int/272