- What it is: Metal cases for the front and rear axle bridge on MN D90, D91, MN99, MN99S 1/12 scale RC cars. Upgrade parts and accessories. - Why you need it: Provides greater strength and durability for the axle bridge area, protects components from debris and impacts, reduces flex for more precise handling, and extends service life over stock plastic parts. - Compatibility: Specifically designed to fit MN D90, D91, MN99, and MN99S 1/12 scale RC cars for the front and rear axle bridge components. - Material: Made of metal for improved rigidity and wear resistance. - Function: Upgrades the front and rear axle bridge on the listed MN models, replacing or reinforcing the original bridge components. - Performance: Enhances stiffness and reliability in demanding driving conditions, supporting higher torque and more aggressive driving styles. - Use scenarios: - Off road bashing on MN D90 or D91 where extra protection and bridge rigidity help withstand impacts. - High torque sessions on MN99 or MN99S during extended runs or competition where durability matters. - Routine maintenance or rebuild to replace worn or fragile stock bridge parts and restore performance.