Tandem pushchair reversible seat frame material aluminium carrycot pushchair seat backrest multiple brakes locking brake canopy removable viewing window harness system 5 point safety harness slider adjustable handlebar height 89 5 x 105 cm folding mechanism collapsible wheel settings removable front swivel wheels wheel types air chamber wheels eva tyres number of wheels 4 max load 30 kg safety bars height adjustable removable footrest adjustable