TNT Bicycles Double-Bolt BMX Seat Post Clamp - 31.8mm (1-1/4") & 28.6mm (1-1/8") - Purple 20" (406mm) The best-selling model for over

The best-selling model for over 100 years

Includes 6mm GDH  CrMo crank bolts and aluminum flush washers

Handlebar Pad: 9" long

Reach: 73-92mm

Color: Chrome (production

TNT Bicycles Double-Bolt BMX Seat Post Clamp - 31.8mm (1-1/4") & 28.6mm (1-1/8") - Purple 20" (406mm) The best-selling model for overThe TNT Double Bolt Seat Post Clamp is an anodized aluminum seat clamp with a classic design. The clamp is 1 1 4" (31. 8mm) and includes a built in shim for use with 1 1 8" (28. 6mm) seatposts. The TNT logo is laser etched on the clamp. Size: 1 1 4 (31. 8mm) or 1 1 8" (28. 6mm) with shim Color: Purple Note: This part was colored by anodizing, which is a method of coloring metal. Color differences do occur among manufacturers and even among batches