This is the Reedy 17.5 Turn S-Plus Competition Spec Torque Brushless Motor. Reedy S-Plus 17.5T, torque Select versions of Reedy's Sonic S-Plus motors are now available featuring a unique high-torque stator. These high-torque models are perfectly suited for high-grip on- and off-road conditions and tracks with short run-ups to critical jumps. Features: CNC-machined lightweight can High-torque stator High-strength, balanced rotor Silver plated solder tabs Precision ball bearings Optimized air cooling Adjustable timing Competition proven ROAR approval pending Specifications: Cells: 1-2S LiPo Diameter (mm): 35.8 Length (mm): 50.4 Shaft Diameter (mm): 3.15 Weight (g): 152