Features:

• Fixed timing motor for spec racing
• Compliant with ROAR and IFMAR rules 
• The use of a heat-resistant magnet attached aluminum case and double insulated windings, high precision bearings, and rotor with a strong structure guarantee outstanding performance and super durability.
• The built-in Hall sensor non-adjustable end bell combined with a high precision and balanced rotor guarantee the user a smooth and linear power on demand.
• The silicone O-ring seal fitted between the end bell and stator helps to conduct inner heat to the motor case and prevent dust from entering the HALL sensor.
• The detachable structure design for daily cleaning and maintenance can effectively prolong the service life of this Justock motor and improve its operating efficiency.
• Perfectly matched with the XR10-Justock ESC for all zero timing spec racing and also compatible with other Hobbywing Electronic Speed Controllers including other brands.
• Battery: 2S-3S LiPo
• 2 POLE
• 1/10 ,1/12 On-Road (Truggy / Drifting Car / F1 / Monster) & Off-Road (Buggy / 2WD SC Truck /Truck) STOCK / SPORT Race (choose the motor base on competition rules.) Free/casual run for new beginners.  Rock Crawler (21.5T, 25.5T only)

Specification:

• KV / Turn: 2300kv / 17.5T
• Ohm: 0.045
• Current w/o Load Amp: 3.5A
• Max Power: 157W
• Max Amp: 47A
• Weight: 176g
• Size:
  • Can: Outer diameter 35.9mm / (L): 52.5mm
  • Shaft: diameter 3.17mm / (L) Projecting part: 15mm
• Rotor: ∅7-12.3-U