Pn 4.0
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Description
The ISM Pn 4.0 is a performance saddle built around ISM's signature split-nose design, which redistributes pressure away from soft tissue and toward the sit bones. For riders logging serious kilometres on Indian roads — whether on the Pune–Mumbai expressway, the Nilgiri climbs near Ooty, or early-morning Hyderabad training loops — this saddle addresses the comfort equation that no amount of chamois padding can fully compensate for.
Use Cases
Daily training. Reliable use across Indian training conditions — heat, humidity, and rough tarmac.
Race day. Performance-grade construction for competitive efforts.
Long rides. Built for full-day rides across Western Ghats, Sahyadri, or Nilgiri climbs.
Our Take
ISM's nose-free geometry genuinely changes long-ride comfort, and the Pn 4.0 sits at the performance end of their range. Indian summer rides above 35°C add extra pressure to saddle choice: this design's open channel improves airflow and reduces perineal pressure during back-to-back training blocks. Riders preparing for brevets or century rides in Chennai, Pune, or Delhi will find the adjustment period worthwhile — allow five to six rides before forming a verdict.
Sizing for Indian Riders
ISM saddles are measured by nose width, not rear width — a key difference from conventional saddles. Most Indian riders fit comfortably on standard ISM widths, but those with narrower sit-bone measurements may prefer a narrower variant. In India's heat, a synthetic-cover saddle like the Pn 4.0 ventilates better than leather alternatives and resists monsoon moisture effectively.
Compatibility Notes
The ISM Pn 4.0 mounts on standard 7×7mm rail clamp seatposts. Match your seatpost diameter to your frame — common sizes include 27.2mm, 30.9mm, and 31.6mm. For carbon-railed versions, use a carbon-compatible torque setting per the seatpost manufacturer's specification. Fore-aft position adjustment is especially important with ISM's split-nose design; a bike fit is strongly recommended when switching from a conventional saddle.
Pairs Well With
For the best experience on long Indian rides, consider pairing the Pn 4.0 with quality padded bib shorts, a layback or setback seatpost suited to your frame geometry, chamois cream for hot-weather rides, and a lightweight saddle bag to keep your setup clean on Lonavala or Coorg climbs.
Explore the full ISM collection at Cobbled Climbs
Specifications
| Specification | Detail |
|---|---|
| Brand | ISM |
| Product Type | Cycling Product |
| Shipped From | Mumbai, India |
Explore the full ISM collection at Cobbled Climbs
Why buy from Cobbled Climbs
- 100% genuine — authorised ISM retailer in India
- Free delivery on orders above Rs. 2,500
- Cash on delivery available nationwide
- 7-day easy returns
- Shipped from Mumbai
- Expert advice — built for Indian cycling conditions
Frequently Asked Questions
What is the ISM Pn 4.0 best used for?
The ISM Pn 4.0 is best suited for performance road cycling, long-distance training, and endurance events. Its split-nose design makes it particularly effective for riders spending three or more hours in the saddle — whether tackling Pune–Lonavala climbs, Delhi morning training rides, or full-day brevet events across Indian highways.
How does ISM saddle sizing work, and what size should I order?
ISM saddles are sized by nose width and designed around riding position, not rear sit-bone width alone. The Pn 4.0 suits a forward, performance-oriented position. If you are unsure, consult a bike fitter before ordering. Indian riders transitioning from conventional saddles should allow a fitting adjustment period of at least five to six rides.
Will the ISM Pn 4.0 hold up in Indian heat and monsoon conditions?
Yes. The Pn 4.0's synthetic cover resists moisture and ventilates well in 35°C+ Indian summer heat — superior to leather in humid conditions. The open channel design also improves airflow on long hot rides. Store the saddle away from direct prolonged sunlight when off the bike to maintain cover and foam integrity over time.
How does the ISM Pn 4.0 compare to a conventional road saddle?
A conventional saddle supports weight across the full length including the nose. The ISM Pn 4.0 removes the nose entirely, shifting all support to the sit bones and eliminating soft-tissue pressure. This design suits aggressive forward positions. Riders used to a flat conventional saddle should expect an adjustment period before the ISM geometry feels natural.
Is the ISM Pn 4.0 worth Rs. 18,999 in India, and what warranty does it include?
At Rs. 18,999, the Pn 4.0 is a serious investment, but one that pays off over thousands of kilometres compared to replacing cheaper saddles repeatedly. ISM products are covered by manufacturer warranty against defects — contact Cobbled Climbs for warranty claims. Free delivery above Rs. 2,500 and cash on delivery across India are available at checkout.
Why pay full price when loyalty pays back?
Club House rewards you for every purchase — up to 5% cashback, 100 bonus points to start, birthday rewards, and early access to limited drops. It’s our way of saying thanks for riding with us.
Shipping:
We ship all orders within 48 hours, excluding Sundays and public holidays. Delivery typically takes 3 to 5 days depending on your location.
Returns:
If your item arrives damaged, incorrect, or doesn’t fit, you may request a return within 7 days of delivery. Email us at support@cobbledclimbs.com with your order details. Items must be unused and returned in original packaging with all tags and labels intact.
Sale Item Guidelines:
Products purchased on sale are final sale and not eligible for return or exchange. Please double-check sizing, fit, and product details before purchasing.
Please note:
We follow a no money refund policy. Eligible returns are offered store credit or exchange only.
Crash Replacement
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Frequently Asked Questions
Does Cobbled Climbs ship Pn 4.0 across India?
Is the Pn 4.0 on Cobbled Climbs 100% authentic?
What is the return and exchange policy for Pn 4.0?
Is Pn 4.0 currently in stock?
What payment methods are accepted?
Does Pn 4.0 come with a manufacturer warranty?
How do I find the right size for Pn 4.0?
Can I get a price match if I find Pn 4.0 cheaper elsewhere?
What We Reach For
When the ride calls, we don’t think twice. A jersey that’s made to move. A computer that knows the way. A care kit that keeps it all running smooth. These are the pieces we reach for — ride after ride.
