Blade CF Tail Boom Brace Set (2): B500 3D/X - BLH1861 Contour Logo Each pack contains two ring

Each pack contains two ring gear axles and two pinion gear axles

The TRX8637 is a genuine Traxxas part

Compatible Traxxas vehicle requiring TRX10922 nerf bars

meaning it matches the original specification and fits without modification

Direct replacement for the factory rear hinge pin on the Losi 8X

Blade CF Tail Boom Brace Set (2): B500 3D/X - BLH1861 Contour Logo Each pack contains two ringThe Blade CF Tail Boom Brace Set (2): B500 3D X (BLH1861) is a helicopter spare part that is a direct fit replacement that keeps your RC heli flying true. Key Features Genuine Blade helicopter replacement part Confirm it fits your specific heli before fitting