Including : Hex Adaper-4pcs Hex Adaper Cover-4pcs Hex Socket Screw 19mm-4pcs 5mm Metal Washer-4pcs M4x2.5x13 Screw Shaft-4pcs Handbook volume: 8269+8270+8271+3467 Product major function & usage:
1. Extend the wheel-base by widening the width regarding hex. For on-road drive, replace the tires from crawling to on-road synthetic radial tires. 2. Self-lock design provides better safety whenever driving and switching. This pair of tires and tires with optional hex adapters is fairly well worth on-road cost rushing motorists ideal for on-road drive, do not ever for crawling. Suggestion: usage with 75-80mm damper with hard springtime getting additional stable drive and provide a diverse berth to rollover.