Sledgehammer tread pattern

One 3x10mm machine cap screw w/washer

For: HPI Sprint 2

-Belt-type 4WD system delivers excellent drive efficiency and stability

Spektrum SPMXSM3300 Firma 3900Kv 4-Pole Brushless Motor TRX-6 Parts Sledgehammer tread patternSpektrum SPMXSM3300 Firma 3900Kv 4 Pole Brushless Motor Description Genuine Spektrum Firma 3900Kv 4 pole brushless motor built as a direct upgrade for 1 10 scale 2WD and 4WD vehicles using 540 550 size brushed motors. The low cog 4 pole rotor, CNC machined aluminum housing, and high purity copper windings deliver higher RPM and smoother power delivery than a stock brushed system. Preinstalled 4mm gold plated bullet connectors and a SafeD 5 compatible