Fit S4 Aitken frame
A very clean, well designed frame with tested geometry backing it up. The S4 is a solid all round machine that will take pretty much anything you throw at it.
Integrated headset, seat clamp, removable brake mounts and a mid bb, what more could you ask for.
Sizes available: 20.5″, 20.75″, 21″
Backend length: 13.4″
Head-tube angle: 75°
Seat-tube angle: 71°
Standover: 8.5″
BB height: 11.6″
BB style: Mid BB
Removable Brake Mounts
Weight: 4.75 lbs / 2.15kg
Made with pride in the USA
