Topeak MTX BeamRack II Seatpost Mount Rack - A-Type Small Frames CheckoutSpec= 15x110mm SmartX locking system with Bluetooth

SmartX locking system with Bluetooth – high-quality

440% range gives the coverage 1x gravel riders want

The Piston® Pro features some of the same great features as The Piston® Pro X minus a few bells and whistles

} Large capacity trunk bag with divided main compartment

5-65mm travel) 475lb Black

Topeak MTX BeamRack II Seatpost Mount Rack - A-Type Small Frames CheckoutSpec= 15x110mm SmartX locking system with BluetoothTopeak MTXS BeamRack II Seatpost Mount Rack A Type Small 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 Perfect for mountain and trekking bikes Carries 20 lbs and loads with ease