Prologo Scratch M5 PAS CPC Saddle – Tirox Rails – 250 x 140mm – Hard Black
Scratch M5 use 4.0 technologies; innovative in terms of size, shape and ergonomics, they are suitable for multiple uses from road and off-road to Triathlon
The Round Shape of the M5 allows the pelvis a natural rotation, creating stability and support for the lumbar areas and distributes pressure over a greater area
MSS Multi Section System - This technology provides three different individual zones mapped and separated along the saddle, each composed of different interactive foams and single-cell padding
CPC Models feature material on top of the saddle that provides higher grip, better airflow and vibration absorption
The Prologo Scratch M5 PAS CPC is a versatile performance saddle designed to work across road, off-road, and triathlon use. Its round profile supports natural pelvic rotation, helping riders stay stable and supported through changing positions and long efforts.
Riders choose the Scratch M5 when they want a balanced saddle that manages pressure, vibration, and stability without forcing an aggressive or overly upright posture.
Key Features
• Round M5 shape for natural pelvic rotation and lumbar support
• PAS (Perineal Area System) central channel to reduce pressure and numbness
• CPC surface material for increased grip, airflow, and vibration absorption
• MSS (Multi Section System) with three mapped foam zones for tuned support
• Carbon-injected base with reinforced clamp area
• Tirox Ti-alloy rails for strength-to-weight balance
Compatibility & Use Notes
• Saddle size: 250mm x 140mm
• Rail type: Tirox (standard 7mm round rails)
• Compatible with standard seatposts and clamps
• Designed for road, gravel, MTB, and mixed-terrain riding
• Unisex T-shape profile
Service / Ownership Context
Round-profile saddles allow more movement on the seat, which can improve comfort across disciplines but requires careful fore–aft setup. CPC grip material helps stabilize position but may increase wear on some bib fabrics. Small tilt adjustments can significantly affect comfort.
Fit & Use Signals
• A good fit for riders who move between multiple riding positions
• Commonly chosen for road, gravel, and endurance off-road riding
• Works well for riders who prefer a round saddle profile
• Not ideal for riders who prefer a flat, locked-in saddle feel
• Not the right choice for very upright, comfort-bike setups