ISM PS 1.1 Road Bike Saddle - Black
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Product Information
Full details
The ISM PS 1.1 Road Bike Saddle is designed specifically for performance-oriented cyclists, triathletes, and time trialists who require maximum comfort in aggressive, aerodynamic riding positions. By utilizing a unique nose-less geometry and high-density foam with gel padding, it effectively minimizes soft tissue pressure and optimizes blood flow, though users accustomed to traditional saddles may find the lack of a nose requires a brief adjustment period.
All features
| Age Group | adult |
|---|---|
| Colour | Black |
| Gender | Unisex |
| Model Part Number | ISM-SA-PS1.1-K |
| Brand | ISM |
Extended Product Information
FAQs
Is this saddle suitable for mountain biking?
While designed primarily for road and triathlon use, the PS 1.1 can be used on mountain bikes if you prefer a nose-less design, though it may limit your ability to steer the bike with your inner thighs.
What is the weight capacity of the chromoly rails?
The chromoly rails are designed for standard adult cyclist weights. Consult your bike manufacturer's total weight limit guidelines for the seat post and frame.
How does the 30-series foam compare to other ISM models?
The 30-series foam is a mid-range density that offers a balance of firmness for power transfer and comfort for long-distance endurance.
Does this saddle come in different widths?
The PS 1.1 is provided in a standard 135mm width, which is engineered to support a wide range of sit-bone widths due to its specific contoured shape.
Can I use a standard seat bag with the transition hook?
Yes, however, ensure that the seat bag strap does not interfere with the rear transition hook or your ability to mount/dismount the bike quickly.
Troubleshooting
Feeling like sliding forward off the saddle
Check your bike fit; the saddle may be tilted too far downward or positioned too far forward. Try leveling the saddle or moving it back on the rails.
Discomfort on the sit bones
This is common during the first few rides. Allow your body time to adjust to the specific pressure distribution, and ensure your saddle height is not too high, which can cause excessive rocking.
Pros and Cons
Pros
- Superior pressure relief for long-distance riding
- Excellent support for aggressive aero positions
- Durable materials including chromoly rails
- Convenient transition hook for triathletes
- Promotes healthy blood flow
Cons
- Requires a break-in period to adapt to the nose-less design
- Not suitable for riders who prefer a traditional saddle shape
- May require more precise fore-aft adjustments compared to standard saddles
Setup, Compatibility & Care
Proper installation is crucial for the ISM PS 1.1. Begin by setting the saddle rails to a neutral position, but be prepared to make minor adjustments. Because of the 245mm length, this saddle is shorter than traditional racing seats, so you may need to increase your seat post height slightly to account for the thickness of the 30-series foam. For care, wipe the synthetic cover with a damp cloth after each ride to remove sweat and salt buildup. Avoid using harsh chemical cleaners, as these can degrade the material and the gel padding integrity over time. Check the chromoly rail bolts periodically to ensure they remain tightened to the manufacturer's specified torque settings.