If you're suffering from a slipping seatpost, Surly has the remedy. The Constrictor Seatpost Clamp grabs your post tight and hangs on for dear life. It's machined from anodized aluminum billet, uses an 8mm bolt for ultimate strength, and can accommodate a rear cantilever brake hanger.
|Option||Barcode||Manufacturer's Part Number||Vendor Number|
|Black / 33.1mm||708752117020||ST0003||QBP-ST0003|