Top Fuel 9.9 XTR Gen 4
Trek
Trail
Top Fuel 9.9 XTR Gen 4 is een trail-mountainbike (2025) by Trek, onderdeel van de Top Fuel-familie. Dit past bij rijders die een actiever, prestatiegericht offroad-gevoel zoeken. Houding: sportieve, actieve houding. Terrein: sterk op natuurlijke trails en gemengd terrein. Qua metrics valt hij op door sterk klimgedrag op langere hellingen, een balans tussen comfort en directheid en gebalanceerde, veelzijdige snelheid voor dagelijks gebruik. Tegelijkertijd Om rekening mee te houden: value hangt meer af van prioriteiten dan van puur ‘goedkoop’. Als dit dichtbij voelt: vergelijk hem op MatchBikes.com met alternatieven.
6.1
Beoordeling

+12
Image 1 of 18
Score Summary
Prestatie
6.8
Waarde
2.9
Pasvorm
7.2
Prestatie
Built for speed and efficiency
Snelheid
6.2
Gemiddeld
Klimefficiëntie
9.8
Berggeit
Vering
6.0
Zelfverzekerde trailcontrole
Pasvorm
Dialed-in Fit & Comfort
Rijpositie
7.2
Sportief
Pasvorm Flexibiliteit
6.2
Gemiddeld verstelbaar
Rijcomfort
7.7
Gebalanceerd
Waarde
Prijs-kwaliteitverhouding
2.9
Te duur
Ondergrond Bereik
Natuurlijke trailsSpecificaties
Algemeen
Merk
Trek
Model
Top Fuel 9.9 XTR Gen 4
Jaar
2025
Prijs
$7,875
Gewicht
12.63 kg
Categorie
Mountain
Subcategorie
Trail
Groepset
XTR, e*thirteen TRS Race
Frame
Frame
OCLV Mountain Carbon, internal storage, tapered head tube, internal guided routing, downtube guard, alloy rocker link, 4-way Mino Link, ABP, Boost148, 120mm travel
Voorvork
RockShox Pike Ultimate, DebonAir spring, Charger 3.1 RC2 damper, 44mm offset, Boost110, Maxle Stealth, 130mm travel
Achterdemper
RockShox Deluxe Ultimate RCT, 185mm x 50mm
Veringtype
Full
Aandrijving
Shifters
Shimano XTR M9100, 12 speed
Achterderailleur
Shimano XTR M9100, Shadow Plus, long cage, 51T max cog
Cassette
Shimano XTR M9101, 10-51, 12 speed
Crankstel
E*thirteen TRS Race Carbon, 30T, 55mm chainline, 170mm length
Trapas
E*thirteen BB20-P, BSA threaded, 73mm width
Ketting
Shimano Dura-Ace/XTR M9100, 12 speed
Wielen
Velgen
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''
Banden
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''
Remmen
Remtype
Hydraulic Disc
Rembeschrijving
Shimano XTR M9100 hydraulic disc
Cockpit
Handvatten
Bontrager XR Trail Elite, nylon lock-on
Zadel
Zadel
Verse Short Comp, steel rails, 145mm width
Zadelpen
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
Geometrie
| Afmetingen | 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 |




























































