The GT Seat Clamp 31.8mm Quick Release in black. Images refer for further detail.
1986 GT SEAT CLAMP 1/2 WING HOT 25.4 1 Inch Old School restored BMX OG
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GT SPEED SERIES BMX GOLD and BLACK SEAT CLAMP AND CHAIN TENSIONERS.. Circa 2012
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GT Mountain Bike quick release seat clamp
IMPALAPRO Bike Quick Release Seatpost Clamp - Seat Clamp - Seat Clamp Bike - Seat Post Clamp- Seat Post Clamp - Bicycle Seat Clamp - Seat Lock Clamp 7075CNC (Red, 34.9 mm)
