Here's whats on Tekins site:

Redline Sensorless motors are Tekin's proud contribution to Hi-Performance Motor Technology. The Redline Series is a new breed of Brushless Motors precisely engineered to operate at the intersection of power and efficiency. No single motor can live up to that expectation under all conditions, so we designed a series of motors – each one targeting peak performance for a particular application. Tekin Redline Brushless motors deliver high-end competition performance.

Next Gen Sensorless Design
Ultra High Torque Output
High Power Solder Tabs
Logo Engraved Endbell
High Efficiency Design
Dual Oversized Precision Bearings
Removable Endbell
Removable/Replaceable Rotor
Powerful Sintered Magnet
M3 Motor Screws Included


BTW for anyone out there who doesnt know.......its pronounced Tee-kin