Prologo Nago R4 PAS 137 saddle

The Prologo Nago R4 PAS 137 saddle is designed for high-performance road cyclists seeking low weight. It has a semi-round T shape and is available with Nack or TiroX rails.

• Weighs just 138 g (137 mm version), useful when every gram counts on climbs
• The PAS system has two lateral sections made of variable-density foam for comfort
• The central channel and perforated base help relieve pressure on sensitive areas
• Long, injection-molded carbon fiber base for a rigid, lightweight structure
• How to choose: Nack has a nano carbon rail, while TiroX has a lightweight steel alloy rail

Technical specifications

• Dimensions: 245x137 mm
• Weight: 138 g (137 mm version)
• Nack rail: Nano carbon fiber (carbon, Kevlar and aluminum filaments)
• TiroX rail: Lightweight steel alloy
• Base: Long, injection-molded carbon fiber
• PAS system: Two independent lateral sections made of variable-density foam, central channel and perforated base
• Shape: T-shaped, semi-round
• Intended use: High-performance road cycling
• Variants: Nack, black; TiroX, black