Features: SX1 PRO 4T Control Unit with SX1 Controller and SX1 Connect.
Features: Easy to use pin-interlock system to prevent it from loosening. No special tools necessary. ACMA nut is designed solely for use as a top yoke nut. Do not use it on the rear axle or swingarm axle.Do not use it on the rear axle or swingarm axle..