Box One fixed Bolt On Seat Clamp Color:Blue 2mm post fits most pro

2mm post fits most pro (and larger) aluminum frames

stronger than the industry usual of 6061 Aluminum

8oz (845g)

and a BMX race-specific tread pattern designed to maximize traction out of the gate and around turns

TH: Triple Hollow

Box One fixed Bolt On Seat Clamp Color:Blue 2mm post fits most proThe Box One Bolt On Seat Clamp is a chunk of cold forged 6061 T6 aluminum alloy that has been CNC machined down to an ultra lightweight thing of beauty. Not content with just using as little material as possible with the clamp, Box has included titanium hardware to keep that weight down. FEATURES Titanium Hardware Lightweight Open Frame Anodized Finish Cold Forged Laser Etched Graphics GEOMETRY MATERIAL: 6061 T6 Aluminum, Titanium (hardware) SIZE: 25.