ISM PN 4.0

was £240.00 now from £196.95 save 17.94%

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  • Buy it Now Fawkes Cycles - £196.95
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    price updated: 13/12/2025

    ISM PN 4.0

    NEW for 2020! The ISM PN4.0 is the newest offering in the Performance Narrow category of bike saddles. Similar in design to the award-winning ISM PN3.0, we increased the sit bone contact points 5mm to accommodate a range of pelvic/body positions. Rider response told us 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 offerings 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 bike seats, 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. Features 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. Specification Category: Performance Narrow. Length: 255mm. Width: 125mm. Padding: 30-Series Foam. Rails: Proprietary Stainless Steel Alloy. Colours: Black. Find out more...

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    About: ISM

    ISM is a brand that specializes in making bike saddles that are designed to be comfortable and efficient for a wide range of cyclists. Their saddles are known for their unique shape, which is designed to reduce pressure on sensitive areas and provide more support where it's needed most. The company offers a variety of saddles for different types of riding, including road, mountain, and triathlon, and they also offer a range of accessories to help cyclists customize their riding experience. ISM has a reputation for quality and innovation, and their saddles are a popular choice among many cyclists.

    About: Fawkes Cycles

    Fawkes Cycles is a UK-based cycling retailer built on a foundation of elite racing experience and a genuine love for the sport. Founded by former professional cyclists Nigel and Mandy—whose achievements include representing Great Britain and winning a world championship—Fawkes Cycles combines expert insight with a strong commitment to customer service. The store offers a wide selection of bikes, parts, and accessories from trusted brands, alongside exclusive deals, discount codes, and convenient services like free UK delivery and click & collect. Whether you're a beginner or a seasoned rider, Fawkes Cycles is a name you can trust for quality, value, and real cycling know-how.

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