Description
Experience superior performance, comfort, and versatility with the ISM PN 4.1 Saddle, expertly designed for road, gravel, and time trial cycling. Crafted with high-quality materials and innovative engineering, this unisex saddle delivers optimal weight distribution, enhanced mobility, and all-day comfort for serious cyclists.
Materials & Construction
Built with a durable chromoly rail system for reliable stability and lightweight performance, the ISM PN 4.1 features high-density ISM 40-series foam padding, engineered to strike the perfect balance between cushioning and power transfer. Its tapered-edge mold design improves comfort and reduces pressure points, making it ideal for long ride endurance and aggressive cornering.
Performance & Engineering
The PN 4.1’s design is centered around maximizing rider mobility and thigh clearance, enabling dynamic body positioning beneficial for fast cornering, sprinting, and challenging terrain. Its increased padding offers added comfort without sacrificing performance, making it suitable for competitive racing, gravel adventures, or triathlon events.
Components & Technology
Inspired by auto-racing airflow chassis, the ISM PN 4.1 features an auto-racing-inspired air vent chassis that enhances ventilation and reduces heat buildup during intense efforts. Its 125mm width accommodates a broader range of sit bone widths, ensuring a personalized fit for various riders. The narrow yet comfortable profile promotes excellent thigh clearance, allowing for unrestricted movement.
Style & Use Case
Sleek in all-black finish, the ISM PN 4.1 combines style with function – perfect for serious cyclists looking for a high-performance saddle for road cycling, gravel adventures, or time trial racing. Its versatile design is ideal for riders seeking a lightweight, efficient saddle that improves riding efficiency and comfort across different terrains.
Innovative & Differentiating Features
– Enhanced padding for increased comfort in the Performance Narrow category
– Auto-racing-inspired airflow chassis for improved ventilation
– Thigh and hamstring clearance optimized for aggressive riding and cornering
– Wide 125mm sit bone support for diverse anatomies
– Tapered-edge mold design reduces pressure points, enhancing long-distance comfort
| Rail | Chromoly |
| Size (LxW) | 255mmx125mm |
| Use | Road/Gravel/TT |






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