TNT Quick Release Seat Clamp head-tube-size-1-1-8-to-1-step-down 53mm or 47mm

53mm or 47mm

5-26  In-Boot Inseam: 21  Over-Boot Inseam: 25

Thin wall construction allows use without removal of cones and locknuts

including hard-to-cut index housing

TNT Quick Release Seat Clamp head-tube-size-1-1-8-to-1-step-down 53mm or 47mmThe TNT Quick Release Seat Clamp at J&R Bicycles is a lightweight and convenient way to make seat adjustments quickly and easily wherever you are. Weighing just 42. 52 grams, this clamp features a slick design and is available in a variety of colors to match your personal style. Whether you need to raise or lower your seat on the fly or perform some quick maintenance, with this Quick Release Clamp from TNT you can do so easily with no special tools.