MountainE-bikeVerified spec

2024 Trek Rail 9.9 CXR Gen 4

Launched at $13,300

Own a 2024 Trek Rail 9.9 CXR 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

$9,544

$6,583 to $11,132

Like new

$9,067

$6,254 to $10,575

Excellent

$8,590

$5,925 to $10,019

Good

$7,158

$4,938 to $8,349

Fair

$5,249

$3,621 to $6,123

For parts

$2,863

$1,975 to $3,340

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

Fork: RockShox ZEB Ultimate, AirWiz, DebonAir spring, Charger 3 RC2 damper, 1.8" oversized tapered steerer, eMTB optimized crown, 44mm offset, Boost110, 15mm Maxle Stealth, 160mm travel
Stem: Bontrager Line Pro, 35mm, Knock Block, Blendr compatible, 0 degree, 45mm length
Tires: Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50"
Brakes: Shimano XTR M9120 4-piston hydraulic disc
Saddle: Bontrager Arvada, austenite rails, 138mm width
Wheels: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, Boost 110/148
Cassette: Shimano XTR M9101, 10-51, 12 speed
Crankset: E*thirteen E*spec Race carbon, 34T, 165mm length
Seatpost: Bontrager Line Elite Dropper, MaxFlow, internal routing, 34.9mm
Shifters: Shimano XTR M9100, 12 speed
Handlebar: Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 780mm width
Weight kg: 22.63
Rear shock: RockShox Super Deluxe Thru Shaft, AirWiz, 230mm x 57.5mm
Travel rear mm: 150
Rear derailleur: Shimano XTR M9100, Shadow Plus, long cage, 51T max cog
Travel front mm: 160

Motor: Bosch Performance Line CX Race Edition, smart system, magnesium motor body, 85 Nm, 20 mph or 32 km/h max assist (25 km/h max assist in EU and APAC)
Assist mph: 20
Battery wh: 750

15.5: Reach mm: 436; Stack mm: 625; Chainstay mm: 447; Wheelbase mm: 1213; Head angle deg: 64.6; Seat angle deg: 77.1
17.5: Reach mm: 456; Stack mm: 629; Chainstay mm: 447; Wheelbase mm: 1236; Head angle deg: 64.6; Seat angle deg: 77.1
19.5: Reach mm: 491; Stack mm: 643; Chainstay mm: 447; Wheelbase mm: 1277; Head angle deg: 64.6; Seat angle deg: 77.1
21.5: Reach mm: 521; Stack mm: 656; Chainstay mm: 447; Wheelbase mm: 1313; Head angle deg: 64.6; Seat angle deg: 77.1

Sold across model years 2023-2024 under one product code. Price as shown on Trek's US site, 2023-09 capture.

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