sport v1 parts Last chance! Parts unique to sport and s3 strollers are no longer in production. Once the last of the sport or s3-specific parts have been sold, they're gone for good - we're sorry! maintenance kit 12 inch inner tube set includes 2x inner tubes 12 inch tyre set includes 2x tyres 12" rear wheel with hub cap rear wheel axle set includes 2x axles 12" front wheel for legacy classic, classic twin... bumper bar wheel bearing set includes 6 bearings double kit hinge set harness shoulder pads