Volume For easy transport of items weighing up to 10 kg Easy assembly and disassembly Attached with four screws and a spacer so that the luggage rack with cargo does not move Compatibility MTB trekking and racing bicycles - mounting on a seatpost (Ø 25-32 mm). Easy to install and use Equipped with straps for single and double panniers. Light weight 900 g. Bearing surface dimensions: 37 × 13 cm.