NEW Topeak Beam Seatpost Rack MTX E-Type for Standard Frames: Fits 25.4-31.8mm seatpost variant-size-md 5gr per stem including dust

5gr per stem including dust cap

but an overall lighter drivetrain

Turn the ratchet wheel to tighten or loosen mounting bolt

charger with cord

NEW Topeak Beam Seatpost Rack MTX E-Type for Standard Frames: Fits 25.4-31.8mm seatpost variant-size-md 5gr per stem including dustThe 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