Saddle
Prologo Scratch M5
A compact, round T-shape saddle (250 x 140 mm) used across road, gravel and XC. Five separate foam zones (Multi Sector System) move with the pelvis, and a padded perforated base relieves pressure without an open hole. Sold with Nack carbon or Tirox steel rails.
Fitted to 20 builds across 4 bikes in the database.
Specs
- Saddle width
- 140 mm
- Widths available
- 140 mm (147 mm version sold separately)
- Saddle length
- 250 mm
- Shape
- T-shape, round profile, Multi Sector System padding, Active Base pressure relief
- Rails
- Nack (carbon) or Tirox (steel alloy)
- Material
- Carbon base
- Weight
- 153 g5.4 oz
- Notes
- Weight is the Nack version; Tirox: 214 g.
Bikes that come with it
| Bike | Build | Price (MSRP) | Saddle width | Notes |
|---|---|---|---|---|
| Merida REACTO CF32027 | REACTO 8000 | — | — | — |
| Merida REACTO CF52027 | REACTO PRO | — | — | — |
| Aurum Magma2026 | Magma Ultegra Di2 / Scope R-series | €8,299€8,299€8,299 | — | — |
| Aurum Magma2026 | Magma Ultegra Di2 / Scope Artech | €10,999€10,999€10,999 | — | — |
| Aurum Magma2026 | Magma Force AXS E1 / Scope R-series | €8,299€8,299€8,299 | — | — |
| Aurum Magma2026 | Magma Force AXS E1 / Scope Artech | €10,999€10,999€10,999 | — | — |
| Aurum Magma2026 | Magma Dura-Ace Di2 / Scope R-series | €9,899€9,899€9,899 | — | — |
| Aurum Magma2026 | Magma Dura-Ace Di2 / Scope Artech | €12,599€12,599€12,599 | — | — |
| Aurum Magma2026 | Magma Dura-Ace Di2 / Lightweight Obermayer | €17,849€17,849€17,849 | — | — |
| Aurum Magma2026 | Magma Red AXS E1 / Scope R-series | €10,999€10,999€10,999 | — | — |
| Aurum Magma2026 | Magma Red AXS E1 / Scope Artech | €13,699€13,699€13,699 | — | — |
| Aurum Magma2026 | Magma Red AXS E1 / Lightweight Obermayer | €18,949€18,949€18,949 | — | — |
| Aurum Magma2026 | Magma Super Record Wireless / Scope R-series | €10,949€10,949€10,949 | — | — |
| Aurum Magma2026 | Magma Super Record Wireless / Scope Artech | €13,649€13,649€13,649 | — | — |
| Aurum Magma2026 | Magma Super Record Wireless / Lightweight Obermayer | €18,899€18,899€18,899 | — | — |
| Colnago Y1Rs2025 | Y1Rs Campagnolo Super Record Wireless | — | 140 mm | Colnago may fit a Selle Italia SLR Boost Superflow Carbon Rail instead, subject to stock |
| Colnago Y1Rs2025 | Y1Rs Shimano Dura-Ace Di2 | — | 140 mm | Colnago may fit a Selle Italia SLR Boost Superflow Carbon Rail instead, subject to stock |
| Colnago Y1Rs2025 | Y1Rs SRAM Red AXS E1 | — | 140 mm | Colnago may fit a Selle Italia SLR Boost Superflow Carbon Rail instead, subject to stock |
| Colnago Y1Rs2025 | Y1Rs Shimano Ultegra Di2 | — | — | Colnago may fit a Selle Italia Novus Boost EVO TI316 Superflow instead, subject to stock |
| Colnago Y1Rs2025 | Y1Rs SRAM Force AXS E1 | — | — | Colnago may fit a Selle Italia Novus Boost EVO TI316 Superflow instead, subject to stock |