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Union Exoframe 4.0 Ankle Strap

2 Reviews
Select Style: black
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Exframe 4.0 ankle straps provide a secure and locked-in ride feel. Lightweight, super durable, and a team and shop favorite.

  • Left and Right Ankle Strap
  • Magnesium Ratchets x 2
  • Ratchet Screw x 2
  • Double Hinge Ankle Connector x 2
  • Tool-less Adjuster x 2
  • Size Medium Fits Medium and Large Union Bindings
  • Stiffness: 7/10
  • Union’s Most Responsive Strap
  • Super Durable Dupont Hytrel Material
  • Evenly Distributes Pressure for a Comfortable Snug Fit Across Boots
  • Double Hinge Connector for Easy Entry
  • Lightweight Magnesium Ratchets
  • Fully Assembled, Ready to Install
  • Mesh Carrying Bag



How to Adjust Your Ankle Strap - High-performance, highly comfortable. This ankle strap upgrade keeps your boot secure and locked in, made to give you superior hold and stability.

1. Remove the adjustment screw on ankle strap connector

2. Slide strap for proper length

3. Make sure holes are lined up for proper adjustment

4. Be careful not to cross thread your screws!

Tightening - Due to vibrations and stress brought on while riding, your binding hardware will loosen over time. Be sure to tighten ALL hardware EVERY DAY before you ride.

Compatibility - Union Binding company's straps are compatible with all Union bindings.


Overall Rating
Reviewed by 2 customers
broken union force ankle strap replace
by Stanley .C in Kenai, AK (Verified Buyer)
Posted on 3/29/2023
Union Exoframe 4.0 Ankle Strap - black
so i bought these strap replacements for my brand new store bought one year and six month old bindings that broke at the binding to ankle strap flex point i have used these 8 maybe 9 days on resort groomies .
These are OEM .replacments they are a well made and a whole lot cheaper than the manufacturers web site
just for context i am a 64 year old grandpa and was boarding with my 13 and 11 year old grand kids
1 person has found this review helpful
by Conor Alexander in Maine (Verified Buyer)
Posted on 1/13/2023
Union Exoframe 4.0 Ankle Strap - black
I put 120+ days on my union atlas. Probably could of gotten parts from Union but felt I had got my moneys worth out of broken strap. Now my bindings are brand new again! Can’t go wrong!
0 person has found this review helpful