Diono Radian
Seat NameDiono Radian
Expiration8 years harness
10 years booster
Rear Facing5-45 lbs (R120/RXT)
5-40 lbs (R100)
up to 44”
Forward FacingHarness:
20-80 lbs (R120/RXT)
20-65 lbs (R100)
50-120 lbs (R120/RXT)
50-100 lbs (R100)
up to 57"
Seat NameDiono Radian
Premium Lower Anchor Connectors
No Re-thread Harness
Lock Offs
Fits Newborns
Additional Information 
Seat NameDiono Radian
  • Narrow
  • Low profile makes it great for 3-across situations
  • High rear facing weight limit
  • Allows for tethering rear facing
  • Can be difficult to install
  • Often requires the angle adjuster to avoid taking up a large amount of front to back space
  • Booster mode isn’t very functional because of the 50 lb minimum and the short belt guides, it will be outgrown at the same time as the harness function.
  • Note: to get a good newborn fit, you will need the infant insert and the shorter harness straps (sold separately)
  • CSFTL ReviewDiono Radian Review
    Buy at AmazonAmazon
    Retail Price$287