Topeak MTXS BeamRack II Seatpost Mount Rack - V-Type Large Frames. The Topeak Beam Seatpost Mount Rack carries up to 20lbs and comes in three variations to cover different frame sizes. The quick release clamp allows for easy removal for weekend rides.
Fits 25.4-31.8 mm seat posts
Tough 6061 T6 aluminum construction
Hinged seat post clamp with aluminum quick release lever
