8mm Spur Gear Adapter Mugen Ofna Serpent Kyosho Arrma lipo Mamba Monster
Hardened Steel 8mm RC Spur  Gear Adapter 1Pcs
This fit larger pinion gears
Tested Top Speed up to 135  mph
Fits all 8mm shaft

Fit the following model :

(Traxxas Associated HPI Castles Leopard PMT GRP Robinson DM1 Serpent Mugen BMT  Losi TEKIN XL2 Mamba Poseidon Rustler Savage Integy Ofna GTP )

60 days warranty /replacement