MountainVerified spec

2025 Trek Top Fuel 9.9 X0 AXS Gen 4

Launched at $8,500

Own a 2025 Trek Top Fuel 9.9 X0 AXS Gen 4?

Track its value in your garage, or list it for sale locally in a few taps.

What a used one is worth

New

$6,630

$4,675 to $7,650

Like new

$6,298

$4,441 to $7,267

Excellent

$5,967

$4,207 to $6,885

Good

$4,972

$3,506 to $5,737

Fair

$3,646

$2,571 to $4,207

For parts

$1,989

$1,402 to $2,295

From the launch price, aged to 2026 and adjusted for condition. Guidance from our catalog, not an appraisal.

Fork: RockShox Pike Ultimate, DebonAir spring, Charger 3.1 RC2 damper, 44mm offset, Boost110, Maxle Stealth, 130mm travel
Tires: Bontrager Gunnison RSL XT, Tubeless Ready, triple compound, aramid bead, 120 tpi, 27.5x2.40'' (S); Bontrager Montrose RSL XT, Tubeless Ready, triple compound, aramid bead, 120 tpi, 29x2.40'' (M, ML, L, XL); Bontrager Gunnison RSL XT, Tubeless Ready, triple compound, aramid bead, 120 tpi, 29x2.40'' (M, ML, L, XL)
Brakes: SRAM Level Silver 4-piston hydraulic disc (S, M, ML, L, XL); SRAM Level Silver Stealth 4-piston hydraulic disc (S, M, ML, L, XL)
Saddle: Verse Short Pro, carbon rails, 145mm width
Wheels: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 27.5'' (S); Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29'' (M, ML, L, XL)
Cassette: SRAM Eagle XS-1295, T-Type, 10-52, 12 speed
Crankset: SRAM X0 Eagle, DUB, 30T steel, T-Type, 55mm chainline, 170mm length
Seatpost: RockShox Reverb AXS, 100mm travel, wireless, 34.9mm, 340mm length (S); RockShox Reverb AXS, 170mm travel, wireless, 34.9mm, 480mm length (M, ML, L, XL)
Shifters: SRAM AXS POD (S, M, ML, L, XL); SRAM AXS POD, paired with dropper (S, M, ML, L, XL)
Weight kg: 13.1
Rear shock: RockShox Deluxe Ultimate RCT, 185mm x 50mm
Rear derailleur: SRAM X0 Eagle AXS, T-Type
Travel front mm: 130

L: Reach mm: 482; Stack mm: 608; Chainstay mm: 439; Wheelbase mm: 1227; Head angle deg: 65.9; Seat angle deg: 76.3
M: Reach mm: 452; Stack mm: 599; Chainstay mm: 434; Wheelbase mm: 1188; Head angle deg: 65.9; Seat angle deg: 77.3
S: Reach mm: 422; Stack mm: 566; Chainstay mm: 434; Wheelbase mm: 1150; Head angle deg: 65.9; Seat angle deg: 76.5
ML: Reach mm: 467; Stack mm: 604; Chainstay mm: 439; Wheelbase mm: 1210; Head angle deg: 65.9; Seat angle deg: 76.6
XL: Reach mm: 512; Stack mm: 626; Chainstay mm: 444; Wheelbase mm: 1270; Head angle deg: 65.9; Seat angle deg: 75.6

Price as shown on Trek's US site, 2024-08 capture.

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