Tekin 21.5 Gen4 Spec-R2 Pro BL Sensored Motor TT2689P

Tekin's SPEC-R2 brings next-level performance to SPEC racing classes. Improving on the original SPEC-R design, they revamped and refined the stator, rotor and materials used to increase both speed and torque while providing minimal fade during the late stages of the race. The SPEC-R2 is a hand-crafted, high-performance racing motor that is ready to hit the track right out of the box.

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Includes:

• TT2782 12.5mm SILVER rotor. Setup critical, SILVER rotors are a special extra strong material and can be damaged by excessive heat from over-gearing and over-timing.

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Features:

• 60 Degrees Adjustable Timing Advance
• SPEC Racing Specific Design
• CNC Machined 6061-T6 Billet Aluminum Heat Sink Can
• Neodymium Sintered Magnet
• Precision Engineered for Maximum Energy Conversion
• High Purity Copper Windings Maximize Conductivity
• Sensored System Ready
• Anodized Endbell Plates Maximize Corrosion and Wear Resistance
• High RPM Precision Bearings
• Oversized Front Bearing
• Legal in Major Governing Race Bodies
• ROAR Approved

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Specifications:

• Motor Turns: 21.5T
• Input Voltage: 1S-3S LiPo/LiHV / 4.2V-13.05V
• Design: 2-pole 3-slot
• Weight: 5.27oz / 149.5g
• Shaft Size: 3.18mm / 1/8in
• Motor Length: 50.25mm / 1.987in
• Motor Diameter: 35.85mm / 1.40in
• Bearing Dimensions: Front 4 x 13 x 5mm / Rear 1/8 x 3/8 x 5/32in
• Rotor Size: TT2782 12.5mm SILVER
• Max Operating Temperature: 180F / 82C
• Max RPM: 100,000
• Mounting Pattern: M3 @ 25.4mm / M3 @ 1.0in
• Rebuildable: YES