Top Fuel 9.9 XTR Gen 4
Trek
Trail
Top Fuel 9.9 XTR Gen 4 es una MTB trail (2025) de Trek, parte de la familia Top Fuel. Es ideal para quienes buscan una sensación off-road más activa y orientada al rendimiento. Postura: deportiva y activa. Uso: va muy bien en senderos naturales y terreno mixto. Puntos fuertes según las métricas: muy buena en subidas largas, equilibrio entre comodidad y respuesta y velocidad equilibrada y versátil para el día a día. El principal compromiso es el value depende más de prioridades que del precio puro. Añádela a comparar en MatchBikes.com y mira cómo queda frente a alternativas.
6.1
Valoración

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Score Summary
Rendimiento
6.8
Valor
2.9
Ajuste
7.2
Rendimiento
Built for speed and efficiency
Velocidad
6.2
Media
Eficiencia en subida
9.8
Cabra montesa
Suspensión
6.0
Control seguro en senderos
Ajuste
Dialed-in Fit & Comfort
Posición de conducción
7.2
Deportiva
Flexibilidad de ajuste
6.2
Moderadamente ajustable
Comodidad
7.7
Equilibrada
Valor
Relación calidad-precio
2.9
Sobrevalorada
Rango de superficie
Senderos naturalesEspecificaciones
General
Marca
Trek
Modelo
Top Fuel 9.9 XTR Gen 4
Año
2025
Precio
$7,875
Peso
12.63 kg
Categoría
Mountain
Subcategoría
Trail
Grupo
XTR, e*thirteen TRS Race
Cuadro
Cuadro
OCLV Mountain Carbon, internal storage, tapered head tube, internal guided routing, downtube guard, alloy rocker link, 4-way Mino Link, ABP, Boost148, 120mm travel
Horquilla de Suspensión
RockShox Pike Ultimate, DebonAir spring, Charger 3.1 RC2 damper, 44mm offset, Boost110, Maxle Stealth, 130mm travel
Amortiguador Trasero
RockShox Deluxe Ultimate RCT, 185mm x 50mm
Tipo de suspensión
Full
Transmisión
Palancas de Cambio
Shimano XTR M9100, 12 speed
Desviador Trasero
Shimano XTR M9100, Shadow Plus, long cage, 51T max cog
Cassette
Shimano XTR M9101, 10-51, 12 speed
Biela
E*thirteen TRS Race Carbon, 30T, 55mm chainline, 170mm length
Eje de Pedalier
E*thirteen BB20-P, BSA threaded, 73mm width
Cadena
Shimano Dura-Ace/XTR M9100, 12 speed
Ruedas
Llantas
Front: Size: S, Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 27.5''; Size: M, ML, L, XL, Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29'', Rear: Size: S, Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD driver, Boost148, 12mm thru axle, 27.5''; Size: M, ML, L, XL, Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD driver, Boost148, 12mm thru axle, 29''
Neumáticos
Size: S, Bontrager Gunnison RSL XT, Tubeless Ready, triple compound, aramid bead, 120 tpi, 27.5x2.40''; Size: M, ML, L, XL, Bontrager Montrose RSL XT, Tubeless Ready, triple compound, aramid bead, 120 tpi, 29x2.40''; Size: M, ML, L, XL, Bontrager Gunnison RSL XT, Tubeless Ready, triple compound, aramid bead, 120 tpi, 29x2.40''
Frenos
Tipo de freno
Hydraulic Disc
Descripción del freno
Shimano XTR M9100 hydraulic disc
Cockpit
Puños
Bontrager XR Trail Elite, nylon lock-on
Asiento
Sillín
Verse Short Comp, steel rails, 145mm width
Tija de Sillín
Size: S, Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 34.9mm, 310mm length; Size: M, ML, L, XL, Bontrager Line Dropper, 170mm travel, MaxFlow, internal routing, 34.9mm, 450mm length
Geometría
| Medida | SM High | SM Low | MD High | MD Low | MD/LG High | MD/LG Low | LG High | LG Low | XL High | XL Low |
|---|---|---|---|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.341 mm | 1.367 mm | 1.325 mm | 1.349 mm | 1.293 mm | 1.314 mm | 1.261 mm | 1.283 mm | 1.223 mm | 1.243 mm |
| Bottom Bracket Height | 345 mm | 339 mm | 348 mm | 342 mm | 348 mm | 342 mm | 348 mm | 342 mm | 348 mm | 342 mm |
| Front Center | 716 mm | 716 mm | 755 mm | 755 mm | 772 mm | 772 mm | 789 mm | 789 mm | 827 mm | 828 mm |
| Rake | 41 mm | 43 mm | 42 mm | 43 mm | 42 mm | 43 mm | 42 mm | 43 mm | 42 mm | 43 mm |
| Trail | 111 mm | 115 mm | 121 mm | 125 mm | 121 mm | 125 mm | 121 mm | 125 mm | 121 mm | 125 mm |
| Stack | 566 mm | 570 mm | 599 mm | 603 mm | 604 mm | 607 mm | 608 mm | 612 mm | 626 mm | 630 mm |
| Reach | 422 mm | 417 mm | 452 mm | 447 mm | 467 mm | 462 mm | 482 mm | 477 mm | 512 mm | 507 mm |
| Top Tube Length | 558 mm | 559 mm | 587 mm | 588 mm | 611 mm | 612 mm | 630 mm | 631 mm | 672 mm | 673 mm |
| Seat Tube Angle | 76.5 ° | 76 ° | 77.3 ° | 76.9 ° | 76.6 ° | 76.2 ° | 76.3 ° | 75.9 ° | 75.6 ° | 75.2 ° |
| Seat Tube Length | 360 mm | 360 mm | 410 mm | 410 mm | 420 mm | 420 mm | 435 mm | 435 mm | 470 mm | 470 mm |
| Head Tube Angle | 65.9 ° | 65.5 ° | 65.9 ° | 65.5 ° | 65.9 ° | 65.5 ° | 65.9 ° | 65.5 ° | 65.9 ° | 65.5 ° |
| Head Tube Length | 105 mm | 105 mm | 105 mm | 105 mm | 110 mm | 110 mm | 115 mm | 115 mm | 135 mm | 135 mm |
| Chainstay Length | 434 mm | 435 mm | 434 mm | 435 mm | 439 mm | 440 mm | 439 mm | 440 mm | 444 mm | 445 mm |
| Wheelbase | 1150 mm | 1151 mm | 1188 mm | 1188 mm | 1210 mm | 1210 mm | 1227 mm | 1227 mm | 1270 mm | 1271 mm |
| Bottom Bracket Drop | 10 mm | 16 mm | 26 mm | 32 mm | 26 mm | 32 mm | 26 mm | 32 mm | 26 mm | 32 mm |
| Standover Height | 705 mm | 700 | 755 mm | 750 mm | 755 mm | 750 mm | 760 mm | 755 mm | 765 mm | 760 mm |
| Wheels | 27" | 27" | 29" | 29" | 29" | 29" | 29" | 29" | 29" | 29" |
| Rider Min Height | 155 cm | 155 cm | 164 cm | 164 cm | 173 cm | 173 cm | 177 cm | 177 cm | 187 cm | 187 cm |
| Rider Max Height | 166 cm | 166 cm | 176 cm | 176 cm | 180 cm | 180 cm | 189 cm | 189 cm | 195 cm | 195 cm |




























































