MAPLE/BAMBOO243(-3) LENGTH TO WEIGHT RATIOBBCOR CERTIFIEDAUTHENTIC PINNACLE SPORTS TRADEMARK Introducing the NEW Maple/Bamboo Hybrid series from Pinnacle Sports Equipment, Inc. Available in two turning styles. These maple/bamboo baseball bats are made with the highest quality materials available. We use a proprietary mix of different types of bamboo which creates a very durable and weight appropriate bat for players ages 13 years old to adult.