and you get two rockets

Dimensions(mm): 40

of which two different types are included to allow three different lever ratios (ratio of tire movement to suspension movement)

Fits 260mm wheelbase cars

Team Associated - Zappers DR 6100mAh 130C 7.6V High Voltage LiPo Shorty Battery HPI106133 and you get two rocketsZappers DR batteries use state of the art LiPo chemistry with advancements in construction that result in improved power output and internal resistance without sacrificing durability. Reedy strives to improve all aspects of battery performance in the increasingly popular and competitive world of RC drag racing. Zappers DR batteries feature a 3. 8V cell nominal voltage, meaning that the battery can be safely charged to 4. 35V cell. It is not a secret