Flex-On IR-ON S Safety Stirrups
Description
The Flex-On IR-ON S is Flex-On's newest safety stirrup. A spring steel frame with a flexible safety arm that opens and releases your foot in a fall, wrapped in a sleek modern shape inspired by the Hunter H.
Underneath, it is a true Flex-On: shock-absorbing elastomers between frame and footbed, and an inclined ultra grip footbed that holds your foot still and keeps your heel down.
Why riders choose them
- Your foot comes free in a fall. The flexible arm releases under load.
- It does not look like a safety stirrup. Clean steel lines, no gimmicks, no rubber bands.
- Real joint protection. Elastomers absorb the landing shock before it reaches your ankles and knees.
- Serious grip. Inclined footbed with Ultra Grip stainless steel studs.
Important: the 40 kg rule
The release needs at least 40 kg (88 lb) of rider weight, or the equivalent force, acting on the arm to open it. Riders under that weight should use the Flex-On Safe-On Junior instead. Ask us and we will order it in.
Like any safety stirrup, the IR-ON S reduces the risk of a trapped foot. No stirrup can remove that risk completely.
Specification
- Frame: spring steel
- Flexible safety arm, resets by hand
- Inclined footbed with Ultra Grip inserts
- Shock-absorbing elastomers
- Compatible with Flex-On magnetic stickers
- Weight per pair: 1.170 kg
- Fits standard stirrup leathers
Which Flex-On stirrup is right for you?
| IR-ON S (this one) |
Safe-On | Composite | Aluminium | Hunter H | |
|---|---|---|---|---|---|
| Price | $450 | $399 | $285 | $420 | $395 |
| Frame | Spring steel | Spring steel, single branch | Composite with steel core | Forged aluminium | Composite |
| Foot releases in a fall | Yes | Yes | No | No | No |
| Colour choices | Few | Many | Many | Many | Silver or dark grey |
| Pick this if | You want a safety stirrup with a modern steel look | You want a safety stirrup you can still customise | You want the classic Flex-On feel at the best price | You jump big and want the most stable footbed | You show hunters and need a classic, quiet look |
Common questions
IR-ON S or Safe-On?
Both release your foot. The IR-ON S has the cleaner, more modern steel frame. The Safe-On gives you far more colour and customisation, and costs $51 less.
Will the arm open by accident while I ride?
No. It needs your weight driven against it, which happens in a fall, not in normal riding.
What if it opens?
Push it back into place by hand. It is made to be reset again and again.
Can I show in them?
Yes, for hunters, jumpers and equitation.
Ordering
- In stock combinations ship in 1 to 3 days.
- Other combinations are made to order, 3 to 4 weeks.
- Free shipping on orders over $200.
Malvern Saddlery is an authorised Flex-On dealer. Questions? Message us and a rider will help you choose.




