Problem Solvers Seatpost Clamp w/ Rack Mounts (Black) (31.8mm)
Problem Solvers Seatpost Clamp w/ Rack Mounts (Black) (31.8mm), Problem Solvers Seatpost Clamp with Rack Mounts Features: Stainless bolt Two M5-threaded holes for mounting rack stays Specifications: Diameter: 31.8mm or 34.9mm Material: Aluminum Color: Black