Crosstriker (クロスストライカー?) is Trister's BakuNano in Bakugan: Mechtanium Surge.
Accurate and reliable, Crosstriker opens to reveal a shooting tip which pierces its target every time.
Crosstriker was given by Rafe to Marucho in Interspace Under Siege, and Trister used it to fight off Krakenoid.
It appeared again in A Hero Returns. It was used by Trister again but it was defeated when Zenthon went out of control and started attacking Bakugan Interspace.
It appeared again in Gundalia Under Fire. It was used to defeat a large army of Chaos Bakugan but was defeated when Razenoid used Flash Eclipse.
It appeared in Unlocking the Gate. It was used to defeat Braxion alongside Accelerak and Trister.
It appeared again in True Colours. It was used by Trister to defeat some Chaos Bakugan.
The Silver version has 40 Gs or 70 Gs, the Copper version has 50 Gs, and the Gold version has 50 Gs or 60 Gs.
- In ball form, it attaches to Tristar's back, but in Bakugan form, it attaches to his arm.