Saddle
Prologo Nago R4 PAS
The open-channel version of Prologo's Nago R4, a semi-round T-shape race saddle tuned with pressure mapping. The PAS channel splits the top into two independent padded halves to remove pressure peaks. Comes in a 137 mm width (147 mm sold separately) with Nack carbon or Tirox steel rails.
Fitted to 31 builds across 10 bikes in the database.
Specs
- Saddle width
- 137 mm
- Widths available
- 137 mm, 147 mm
- Saddle length
- 245 mm
- Shape
- T-shape, semi-round profile, full-length PAS channel
- Rails
- Nack (carbon) or Tirox (steel alloy)
- Material
- Carbon base
- Weight
- 141 g5 oz
- Notes
- Weight is the Nack version; Tirox: 191 g.
Bikes that come with it
| Bike | Build | Price (MSRP) | Saddle width | Saddle length | Rails | Weight |
|---|---|---|---|---|---|---|
| Merida REACTO CF52027 | REACTO TEAM | — | — | — | — | — |
| Merida REACTO CF52027 | REACTO 10K | — | — | — | — | — |
| Merida REACTO CF52027 | REACTO ONE | — | — | — | — | — |
| Merida REACTO CF52027 | REACTO 9000 | — | — | — | — | — |
| BH Aerolight2026 | Aerolight 8.0 | €8,000€8,000£7,300 | — | — | — | — |
| BH Aerolight2026 | Aerolight 9.0 | €9,000€9,000£8,200 | — | — | — | — |
| Bianchi Oltre Comp2026 | Oltre Comp 105 Di2 | €5,300€5,300£4,558 | 137 mm | 245 mm | Steel | 265 g9.3 oz |
| Bianchi Oltre Comp2026 | Oltre Comp Rival AXS E1 | €5,300€5,300£4,558 | 137 mm | 245 mm | Steel | 265 g9.3 oz |
| Bianchi Oltre Pro2026 | Oltre Pro Force AXS E1 (Quarq power meter) | €8,000€8,000€8,000 | 137 mm | 245 mm | Nack carbon | 156 g5.5 oz |
| Bianchi Oltre Pro2026 | Oltre Pro Ultegra Di2 (4iiii power meter) | €8,000€8,000€8,000 | 137 mm | 245 mm | Nack carbon | 156 g5.5 oz |
| Bianchi Oltre RC2026 | Oltre RC Shimano Dura-Ace Di2 (4iiii power meter) | €12,600€12,600£10,850 | 137 mm | 245 mm | Carbon | 119 g4.2 oz |
| Bianchi Oltre RC2026 | Oltre RC SRAM Red AXS E1 Power Meter | €12,600€12,600£10,850 | 137 mm | 245 mm | Carbon | 119 g4.2 oz |
| Felt Nexar2026 | Nexar Pro Shimano Ultegra Di2 PWR | $8,899$8,899$8,899 | — | — | — | — |
| Felt Nexar UD Carbon STD2026 | Nexar Expert Shimano Ultegra Di2 | $6,999$6,999$6,999 | — | — | — | — |
| Felt Nexar UD Carbon STD2026 | Nexar Race Shimano 105 Di2 | $5,999$5,999$5,999 | — | — | — | — |
| Wilier Triestina Turbine SLR2026 | Turbine SLR Dura-Ace Di2 | €11,300€11,300€11,300 | 137 mm | — | — | — |
| Wilier Triestina Filante SLR ID22026 | Filante SLR ID2 SRAM Red AXS E1 Power Meter, Miche Deva RD 52 | €13,900$16,250€13,900 | 137 mm | — | — | — |
| Wilier Triestina Filante SLR ID22026 | Filante SLR ID2 Campagnolo Super Record 13, Miche Kleos RD 50 | €13,700$15,900€13,700 | 137 mm | — | — | — |
| Wilier Triestina Filante SLR ID22026 | Filante SLR ID2 Shimano Dura-Ace Di2 Power Meter, Miche Deva RD 52 | €13,700$15,900€13,700 | 137 mm | — | — | — |
| Wilier Triestina Filante SLR ID22026 | Filante SLR ID2 SRAM Red AXS E1 Power Meter, Miche Kleos RD 50 | €12,500$14,650€12,500 | 137 mm | — | — | — |
| Wilier Triestina Filante SLR ID22026 | Filante SLR ID2 Shimano Dura-Ace Di2 Power Meter, Miche Kleos RD 50 | €12,300$14,400€12,300 | 137 mm | — | — | — |
| Wilier Triestina Filante SLR ID22026 | Filante SLR ID2 SRAM Red XPLR AXS E1 1x13 Power Meter, Miche Kleos RD 50 | €12,200$14,250€12,200 | 137 mm | — | — | — |
| Wilier Triestina Filante SLR ID22026 | Filante SLR ID2 Shimano Dura-Ace Di2, Miche Kleos RD 50 | €11,500$13,450€11,500 | 137 mm | — | — | — |
| Wilier Triestina Filante SLR ID22026 | Filante SLR ID2 Shimano Dura-Ace Di2, Miche Kleos 50 | €10,900$12,700€10,900 | 137 mm | — | — | — |
| Wilier Triestina Filante SLR ID22026 | Filante SLR ID2 SRAM Force AXS E1 Power Meter, Miche Kleos 50 | €9,900$11,550€9,900 | 137 mm | — | — | — |
| Wilier Triestina Filante SLR ID22026 | Filante SLR ID2 SRAM Force AXS E1, Miche Kleos 50 | €9,500$11,100€9,500 | 137 mm | — | — | — |
| Wilier Triestina Filante SLR ID22026 | Filante SLR ID2 Shimano Ultegra Di2, Miche Kleos 50 | €8,500$9,900€8,500 | 137 mm | — | — | — |
| Wilier Triestina Supersonica SLR2026 | Supersonica SLR Dura-Ace Di2 + power meter (Kleos RD SPX3 / Crono lenticular) | €22,800€22,800€22,800 | 137 mm | — | Carbon | — |
| Wilier Triestina Supersonica SLR2026 | Supersonica SLR Dura-Ace Di2 (Kleos RD SPX3 / Crono lenticular) | €22,000€22,000€22,000 | 137 mm | — | Carbon | — |
| Wilier Triestina Supersonica SLR2026 | Supersonica SLR Dura-Ace Di2 Triathlon (Kleos 67/85) | €18,000€18,000€18,000 | 137 mm | — | Carbon | — |
| Wilier Triestina Turbine SLR2026 | Turbine SLR Ultegra Di2 | €9,900€9,900€9,900 | 137 mm | — | — | — |