Union Seatpost Clamp Ø31.8mm Alu with Slit Black

This Union seatpost clamp with collar is a durable aluminum clamp designed to securely tighten a 31.8 mm seat tube and keep your seatpost firmly in place for everyday riding. Built from cold forged alloy with a stainless steel fixing bolt, it’s a dependable replacement when your original clamp is worn, damaged, or missing, and the integrated collar design helps maintain a stable and tidy fit on city, trekking, and commuter bikes.

- Ø31.8 mm clamp size for compatible seat tubes
- Aluminum construction keeps it strong and lightweight
- With collar design for a secure and stable seatpost setup
- Stainless steel fixing bolt for reliable tightening
- Ideal replacement part for repairs, upgrades, and refurb builds
- Black finish matches most frames and hardware
- Simple, dependable solution for daily commuter bikes

Specifications
Brand: Union
Type: Seatpost clamp
Diameter: Ø31.8 mm
Material: Aluminum
Color: Black