TNT Quick Release Seat Clamp head-tube-size-1-1-8-to-1-step-down It's also lightweight enough that

It's also lightweight enough that it is easy for younger riders to manage

53mm or 47mm

Thin wall construction allows use without removal of cones and locknuts

Up to 35mm of brake pad adjustment

Color: Black or Chrome

TNT Quick Release Seat Clamp head-tube-size-1-1-8-to-1-step-down It's also lightweight enough thatThe 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.