Kyosho TRW160-01 102mm Center Universal Swing Shaft Cup Racer Parts The HS-765HB sail arm servo

The HS-765HB sail arm servo has up to 140 degrees of travel and comes with a Heavy Duty 4

8" Chrome Revo/Maxx

Genuine HPI Racing replacement part #101787

One Two Speed Drive Hub (TRAC4892)

Pro-Line Hole Shot VTR 4

Kyosho TRW160-01 102mm Center Universal Swing Shaft Cup Racer Parts The HS-765HB sail arm servoThis is the 102mm center swing shaft for Kyosho's TRW160 universal center shaft assembly. A universal joint shaft differs from a standard dogbone in an important way: it maintains constant velocity through its operating angle instead of speeding up and slowing down twice per revolution. In the center of a four wheel drive chassis, where the shaft runs at full drivetrain speed and takes the whole torque load, that difference shows up as smoother power