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Whether you're racing, training or exploring new roads on your gravel bike, this versatile saddle is engineered for maximum performance. It features a 5mm wider profile than the previous PN3.0 model, which allows it to accommodate a greater range of sit bone width. ISM has also equipped this model with proprietary stainless steel alloy rails, so you benefit from a secure hold to your seatpost as you ride across uneven and unpredictable mixed terrain conditions.
- 5mm wider than the PN3.0 to accommodate a greater range of sit bone width
- Tapered-edge mould design for incredible comfort
- Auto-racing inspired air vent chassis
The ISM PN4.0 is in the Performance Narrow category of saddles. Similar in design to the award-winning ISM PN3.0, ISM increased the sit bone contact points 5mm to accommodate a range of pelvic/body positions. Rider response told ISM that some cyclists wanted a 125mm saddle to allow for more relaxed pelvis tilt related to road and gravel cycling.
Like the other PN saddles, the PN4.0 offers superb thigh and hamstring clearance. This allows for more rider body movement around the seat and is great for diving into fast corners.
Like all ISM saddles, the PN4.0 is nose-less and designed to remove pressure from soft tissue, ensuring maximum blood flow, no genital numbness, and a healthier, more enjoyable ride.
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