Shoe Science says about SC Pacer 

The New Balance FuelCell SuperComp Pacer v2 is a racing shoe that aims to bridge the gap between traditional racing flats and modern "super shoes.

• Road - Tempo, Racing flat
• Rotation - SuperComp Elite (Race), Hierro (Trail), 1080 (Recovery)
• Forward transition - 6/10
• Dynamic stability - 5/10
• Dynamic cushioning - 6/10
  

Many shoes will have a very similar profile yet perform differently for different people. We recommend an in-store fitting for a new style and online for the 'tried and true'.
 
NewBalance key stats

• Width - Std is standard width
• Weight - 212 gms
• Rear stack - 35 mm
• Forefoot stack - 27 mm
• Offset - 8 mm
• Carbon plate - Yes

NewBalance says

Built for road racing, these shoes feature lightweight performance technology made to take your running up a notch.