Trek Rail+ 9.9 XX AXS T-Type Gen 5 2025
Bike details
Key information split into simple groups.
Bike summary
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Frame Carbon
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Travel Front 160mm
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Travel Rear 160mm
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Fork RockShox ZEB Ultimate
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Groupset XX Eagle Transmission
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Suspension Full
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Motor Bosch 600W 85Nm mid-drive
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Drivetrain 1 × 12 Electronic
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Brakes Hydraulic Disc
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
OCLV Mountain Carbon, Removable Integrated Battery (RIB 2.0), tapered head tube, guided internal routing, Control Freak internal routing, Motor Armour, Boost148, 12 mm thru axle, 160 mm travel
Suspension Fork
Rockshox ZEB Ultimate, DebonAir spring, Charger 3.1 RC2 damper, tapered steerer, 44 mm offset, Boost110, 15 mm Maxle Stealth, 160 mm travel
Rear Shock
RockShox Super Deluxe Ultimate RC2T, 205x65 mm
Drivetrain
Rear Derailleur
SRAM XX Eagle AXS, T-Type
Cassette
SRAM Eagle XS-1297, T-Type, 10-52, 12-speed
Crank
SRAM XX Eagle,165 mm length
Chain
SRAM XX Eagle, T-Type, 12-speed
Pedals
VP-536 nylon platform
Wheels
Rims
Front: Size: S, Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15 mm thru-axle, 27.5"; Size: M, L, XL, Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15 mm thru-axle, 29", Rear: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless-Ready, Rapid Drive 108, 6-bolt, Boost148, 12 mm thru axle, 27.5"
Tires
Size: S, M, L, XL, Bontrager Brevard RSL SE, Tubeless Ready, triple compound, aramid bead, 60 tpi, 27.5x2.50"; Size: M, L, XL, Bontrager Brevard RSL SE, Tubeless Ready, triple compound, aramid bead, 60 tpi, 29x2.50"
Brakes
Brakes
SRAM Maven Ultimate 4-piston hydraulic disc
Cockpit
Stem
Bontrager Line Pro, 35 mm, Blendr-compatible, 0-degree, 45 mm length
Handlebar
Bontrager Line Pro, OCLV Carbon, 35 mm, 27.5 mm rise, 780 mm width
Grips
Bontrager XR Trail Elite, nylon lock-on
Seat
Saddle
Verse Short Comp, steel rails, 145 mm width
Seatpost
Size: S, RockShox Reverb AXS, 100 mm travel, wireless, 34.9 mm, 340 mm length; Size: M, L, XL, RockShox Reverb AXS, 170 mm travel, wireless, 34.9 mm, 480 mm length
Motor & Battery
Motor
Bosch Performance Line CX, 20 mph (25 km/h in Europe)
Remote
Bosch System Controller BRC3100, smart system
Charger
Bosch standard 4A, 230V, smart system
Fit data
Numbers for sizing and ride feel.
| Size | 15.5" High | 15.5" Low | 17.5" High | 17.5" Low | 19.5" High | 19.5" Low | 21.5" High | 21.5" Low |
|---|---|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.375 mm | 1.381 mm | 1.387 mm | 1.393 mm | 1.311 mm | 1.316 mm | 1.292 mm | 1.295 mm |
| Bottom Bracket Height | 344 mm | 338 mm | 345 mm | 338 mm | 345 mm | 338 mm | 345 mm | 338 mm |
| Front Center | 755 mm | 831 mm | 784 mm | 783 mm | 832 mm | 831 mm | 867 mm | 867 mm |
| Rake | 43 mm | mm | 39 mm | 41 mm | 38 mm | 40 mm | 37 mm | 41 mm |
| Trail | 119 mm | 122 mm | 127 mm | 131 mm | 127 mm | 131 mm | 127 mm | 131 mm |
| Stack | 598 mm | 594 mm | 631 mm | 627 mm | 649 mm | 645 mm | 672 mm | 667 mm |
| Reach | 435 mm | 430 mm | 455 mm | 450 mm | 495 mm | 490 mm | 520 mm | 515 mm |
| Top Tube Length | 562 mm | 563 mm | 591 mm | 592 mm | 639 mm | 639 mm | 670 mm | 670 mm |
| Seat Tube Angle | 77.9 ° | 77.4 ° | 77.7 ° | 77.2 ° | 77.5 ° | 77 ° | 77.4 ° | 76.9 ° |
| Seat Tube Length | 380 mm | 380 mm | 410 mm | 410 mm | 435 mm | 435 mm | 470 mm | 470 mm |
| Head Tube Angle | 65 ° | 64.5 ° | 65 ° | 64.5 ° | 65 ° | 64.5 ° | 64.9 ° | 64.5 ° |
| Head Tube Length | 100 mm | 100 mm | 100 mm | 100 mm | 120 mm | 120 mm | 145 mm | 145 mm |
| Chainstay Length | 446 mm | 448 mm | 446 mm | 448 mm | 446 mm | 448 mm | 446 mm | 448 mm |
| Wheelbase | 1201 mm | 1278 mm | 1229 mm | 1230 mm | 1277 mm | 1278 mm | 1313 mm | 1314 mm |
| Bottom Bracket Drop | 12 mm | 18 mm | 18 mm | 24 mm | 18 mm | 24 mm | 17 mm | 24 mm |
| Standover Height | 763 mm | 758 mm | 775 mm | 769 mm | 775 mm | 769 mm | 798 mm | 779 mm |
| Wheels | 27" | 27" | 29" | 29" | 29" | 29" | 29" | 29" |
