
Fit finally released all the info about the new S4 Mike Aitken frame, check it out after the jump.
- Top Tube (butted and tapered, stronger overall and cleaner looking at seat-tube junction)
- Down Tube (classic round tube look, new proprietary material is stronger and more dent resistant)
- Down Tube Gusset (new shape and material is stronger)
- Head Tube (completely new design inside and out, stronger, lighter, and cleaner looking)
- Bottom Bracket (new shape and internal machining with same ribbed vent holes as Head Tube)
- Bottom bracket height 11.625″ (lower than S3.5)
- Stand over height 8 ½” (taller than S3.5)
- Seat tube (tapered)
- Seat and Chain Stays (tapered but larger at the drop-out than S3.5 for added strength)
- Single bend Chain stays (maximum tire clearance)
- Curved seat and chain stay bridges
- 13.40″ rear end length (13.65′ previous)
- Dropout with a round seat stay cut (cleaner peg fit)
- Axle Slot – increased length
- Longer cap on Chain-Stay (more out of the way for backwards grinds)
Previously: Justin Inman “F-IT| Brian Foster in Fit’s “F-It”| Welcome to Fit: Florent Soulas