explorer parts Last chance! Parts unique to explorer and hammerhead strollers are no longer in production. Once the last of the explorer or hammerhead-specific parts have been sold, they're gone for good - we're sorry! sport 2015 - 2019 sunhood stroller harness buckle frame bung maintenance kit 12" rear wheel with hub cap 12 inch inner tube set includes 2x inner tubes 12 inch tyre set includes 2x tyres rear wheel axle set includes 2x axles wheel bearing set includes 6 bearings double kit sun mesh harness shoulder pads rear wheel guards double kit hinge set