Speaking of sitting lower, in order for the driver to sit low in the car — and afford decent headroom under the low (50.6 - inch) roofline — Subaru had to design special frame rails for the front seats. (automobilemag.com)
All German mid drives; shimano and yamaha need special frame. (montaguebikes.com)
Not only do these special frames support your child, but they also do a great job of absorbing energy and shocks so that your little one can have a soft ride. (earlymomentsmatter.org)