Pair of Proline Wabash 40 Series Yellow Monster Truck Wheels. Want to add some character to your beast without sacrificing performance? Then check out the latest addition to the Heavy Duty lineup of Monster Truck wheels from Pro-Line - the 40 Series 23mm Wabash wheel. The HD Wabash wheel offers the latest in design by incorporating 14 tapered spokes and a large hex mounting surface for use with those oversized wheel wrenches. Additionally, the Wabash wheel has 1/2" less offset then typical 40 Series wheels. This allows for REVO® owners to maintain standard front and rear track width and provides other monster trucks with a 1" narrower stance improving traction and corner speed. The Wabash features a high-strength, ultra-durable nylon material to outlast the punishment typically seen by today's Monster Trucks. The race inspired 23mm hex mounting system is now available for all-terrain terrors that are looking for the latest in style and performance. For monster trucks drivers that demand extreme performance, durability and style, pick-up a set of the all-new 23mm HD Wabash wheels. Pro-Line… simply the fastest R/C Accessories. · Maintains stock REVO® track width · Available gleaming yellow or ultra-bright white · High-strength, ultra-durable nylon material · For use with 23mm HD Hex system