Lightweight by design, Thunder Skateboard Trucks are known for their lightning-quick turning response, excellent board control, and strength. Sold as a pair, adding one unit to your cart will provide you with a set of two trucks Thunders are exceptional trucks for a wide variety of skating.Creating a middle-to-long wheelbase, they are uniquely special for their pinch on things like feebles or krooks. A smooth ride with good turning without sacrificing stability and control, and lighter than comparable price-point Indys Team riders including Shane O'Neill, Dennis Busenitz and Ishod Wair. 90a Bushing colour may vary. Extra strong reinforced solid axles Custom aluminium baseplates Premium grade solid kingpins Thunder Truck Size Guide Deck Width Truck Width 7.0 - 7.6 143 7.4 - 7.9 145 7.9 - 8.12 147 8.12 - 8.38 148 8.38 - 8.62 149 8.62 - 8.85 151 8.9 - 9.5 161 Sizes 143, 145, and 147 have an Axel Height of 50 mm Sizes 148, 149 151 and 161 have an Axel Height of 52mm Size 161 has an Axel 53mm High Less weight - More strength. Thunder Trucks.