The SPM4651T is small

5mm openings

Verify that your model supports a 3S high-voltage LiPo battery before installation

Compatible electronic speed controller

Send power to your rear wheels with confidence using this genuine Traxxas hardened steel rear driveshaft

Kyosho OT211C Knuckle Arm (L/R/OPTIMA) Chargers The SPM4651T is smallKyosho OT211C Knuckle Arm (L R OPTIMA) The Kyosho OT211C is a genuine left and right knuckle arm set designed for the OPTIMA. Manufactured to Kyosho's original specifications, it restores precise steering geometry for consistent handling. A direct fit replacement after a hard crash or extended wear on your OPTIMA. Genuine Kyosho part OT211C Knuckle arm, left & right Fits the Kyosho OPTIMA Direct fit replacement part