SR engraved seat clamp. The clamp is aluminum and anodized blue. 25.4 (1”) size and fits old hutches, Supergoose’s mongoose’s redlines torkers thrusters Diamond Backs SCHWINN and the 99% of all old school Bmx bikes. blue seat post clamp.

I am willing to take you old clamp on trade as long as it has no dents or dings. Your trade must be the exact same clamp.