Trek Rail+ 9.9 XX AXS T-Type Gen 5 (2025)

Ideal for you!
You want an efficient, powerful e-bike that doesn’t compromise on the components necessary to tackle the most extraordinary adventures. You need plenty of suspension to face the roughest and most turbulent terrains, a powerful motor to conquer the steepest climbs, and a strong battery to support you during the longest adventures. Upgrades matter, which is why you’re looking for the best wireless SRAM drivetrain and the added benefit of a RockShox suspension package.

The technology you get
OCLV Mountain Carbon frame with Bosch Performance CX system (85Nm, 250W) and a powerful integrated removable RIB 2.0 battery with 800Wh. RockShox ZEB Ultimate fork with 160mm travel, DebonAir spring, and Charger 3 RC2 shock; RockShox Super Deluxe rear suspension. Tubeless Ready Bontrager Line Pro 30 carbon wheels, top-tier wireless XX AXS SRAM drivetrain for clean shifts even under load, SRAM Maven hydraulic disc brakes for maximum stopping power, and RockShox Reverb AXS dropper post.

The final word
Rail+ 9.9 is the ultimate e-bike for tackling the most epic adventures. In addition to the RockShox TyreWiz system, it offers an updated suspension package, a powerful motor to conquer great climbs, and a highly potent battery to assist you mile after mile. This bike is built to make every dream come true.

Here’s why you’ll love it
Rail+ offers levels of suspension and power that allow you to tackle epic adventures across peaks or endless enduro routes.
Upgrades across the board: suspension, drivetrain, wheels, and more.
You can adjust the geometry and suspension leverage ratio based on riding style and add new variable-angle headset cups (sold separately) for even more customization.
The powerful Bosch Performance CX system excels on steep climbs and prevents wasting precious energy on descents.
The powerful 800Wh RIB 2.0 battery provides maximum assistance mile after mile and is easily removable during transfers or when it needs to be stored.

FRAME KIT

• Frame: OCLV Mountain Carbon, integrated removable battery (RIB 2.0), tapered head tube, internal cable routing, Motor Armor, adjustable-angle headset, Mino Link adjustable geometry, adjustable leverage ratio, 34.9mm seat tube, ABP, UDH Boost148, 12mm thru-axle, 160mm travel
• Fork: RockShox ZEB Ultimate, DebonAir spring, Charger 3.1 RC2 damper, tapered steerer tube, 44mm offset, Boost110, Maxle Stealth 15mm, 160mm travel
• Suspension: RockShox Super Deluxe Ultimate RC2T, 205x65mm
• Max fork travel compatibility: 180mm

WHEELS

• Front Wheel:
  - Size: S - Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru-axle, 27.5"
  - Size: M, L, XL - Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru-axle, 29"
• Rear Wheel: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12mm thru-axle, 27.5"
• Rear Axle: Bontrager Switch Thru-Axle, removable lever
• Tires:
  - Size: S, M, L, XL - Bontrager Brevard RSL SE, Tubeless Ready, triple compound, aramid bead, 120tpi, 27.5x2.50"
  - Size: M, L, XL - Bontrager Brevard RSL SE, Tubeless Ready, triple compound, aramid bead, 120tpi, 29x2.50"
• Tire Sealant: Bontrager TLR Sealant, 6oz
• Nipple Protector: Bontrager TLR
• Max Tire Size: Frame: 27.5x2.60", Fork: See fork manufacturer specs

ELECTRONIC SYSTEM

• Charger: Bosch standard 4A, 230V, smart system
• Controller: Bosch BRC3100 system controller, smart system
• Motor: Bosch Performance Line CX, maximum assistance 20mph/32km/h (maximum assistance 25km/h in the EU and APAC)

DRIVETRAIN

• Rear Derailleur: SRAM XX Eagle AXS, T-Type
• Crankset: SRAM XX Eagle, 165mm length
• Cassette: SRAM Eagle XS-1297, T-Type, 10-52, 12-speed
• Chain: SRAM XX Eagle, T-Type, 12-speed
• Pedals: VP-536 Nylon Platform
• Max Chainring Size: 1x: 36T

COMPONENTS

• Saddle: Verse Short Comp, steel rails, 145mm width
• Seatpost:
  - Size: S - RockShox Reverb AXS, 100mm travel, wireless, 34.9mm, 340mm length
  - Size: M, L, XL - RockShox Reverb AXS, 170mm travel, wireless, 34.9mm, 480mm length
• Handlebar: Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 780mm width
• Grips: Bontrager XR Trail Elite, nylon lock-on
• Stem: Bontrager Line Pro, 35mm, Blendr-compatible, 0-degree rise, 45mm length
• Headset: Integrated cartridge bearing, 1-1/8” top, 1.5” bottom, compatible with adjustable-angle headset cups
• Brakes: SRAM Maven Ultimate hydraulic disc, 4-piston
• Brake Rotor:
  - Size: S, M, L, XL - SRAM 6-bolt, 200mm
  - Size: S, M, L, XL - SRAM HS2, 6-bolt, 220mm
• Max Rotor Size: Frame: 220mm, Fork: See fork manufacturer specs

ACCESSORIES

• Fenders: Custom Trek 27.5” fender

WEIGHT

• Weight: M - 24.03 kg / 52.98 lbs (with TLR sealant, no inner tube)
• Weight Limit: This model has a total maximum weight limit (combined weight of bike, rider, and cargo) of 136kg.

The manufacturer reserves the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice. The prices shown are the manufacturer's suggested retail prices.