The Sprinter tire has square, angled pins that are stacked vertically to flex and fold evenly across the tire. QMx Star Trek Discovery Black Badge & Pin Set. $21.95Price. Excluding Sales Tax. Quantity*. Out of Stock. Notify When Available The sidewall area blends nicely into a step-spike feature which helps smooth the transition in bumpy sections and create side-bite. Horizontal traction bars connect several pins near the center of the tire which bonds a critical area for increased push at high-speed. JConcepts 3134-02 Sprinter 2.2" 2WD Front Buggy Dirt Oval Tires (2) (Green) ... JConcepts 3133-01 Sprinter 2.2" Rear Buggy Dirt Oval Tires (2) (Blue) This... Jconcepts Swagger Sct JConcepts Sprinter Short Course Dirt Oval Tires (2) JConcepts Sprinter Short Course Dirt Oval Tires (2) (MRG - Premounted 1.3'' Tires Typically, a stacked tread will wear less and provide more forward bite while the aligned space helps rotation in the turns and gives a snappy release to square up quickly. JConcepts - Hobby Action Chandler Since the Sprinter tire is directional, there is a Left (L) and Right (R) tire included in each package. With the popularity of dirt-oval racing, vehicles being designed with either mid-motor or laydown transmission options, a new generation pin style, carcass and outer tread design was needed. The blended tread to tire body is supported with a generous radius which promotes “pin snap” and resists tearing or separation. Starting with the new tread, the team focused on durability and performance to bring a tire option to market that competes on loose surfaces which are wet or dusty.