Promax QR-M Quick Release Seat Clamp-1" (25.4mm)
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QR-M seatpost clamps are cold forged and CNC machined from 6061-T6 aluminum alloy. The QR-M only fits bikes with 25.4 diameter seat tubes.Available in anodized red, blue, gold and black with laser-etched graphics and stainless steel hardware. Meets or exceeds ENM standards.