Trek Rail+ 9.9 X0 AXS T-Type Gen 5 (2025)

Ideal for you!

You want an efficient, powerful e-bike that doesn’t compromise on the components needed to tackle the most extraordinary adventures. You need plenty of suspension to handle the roughest and most turbulent terrains, a powerful motor to challenge the steepest climbs, and a strong battery to assist you on the longest journeys. Updates 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 800Wh battery. RockShox ZEB Ultimate 160mm fork with DebonAir spring and Charger 3 RC2 shock absorber and RockShox Super Deluxe rear suspension. Tubeless Ready Bontrager Line Pro 30 carbon wheels, wireless X0 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 best for tackling the most epic e-bike adventures. In addition to the RockShox TyreWiz system, it offers an upgraded suspension package, a powerful motor for tackling big climbs, and a super-powered battery to assist you kilometer after kilometer. This bike is built to make every one of your dreams come true.

Here’s why you’ll love it

• Rail+ offers suspension and power levels that allow you to tackle epic adventures that span from one peak to another or challenge endless enduro trails.
• Upgrades across the board: suspension, drivetrain, wheels, and more.
• You can adjust the geometry and leverage ratio of the suspension based on your riding style and add new adjustable-angle headset cups (sold separately) for even more tuning.
• The powerful Bosch Performance CX system delivers on steep climbs and saves your precious energy on descents.
• The powerful 800Wh RIB 2.0 battery provides maximum assistance kilometer after kilometer and can be easily removed during transfers or when it needs to be stored.

FRAME KIT

• Frame: OCLV Mountain Carbon, removable integrated 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 shock, tapered head tube, 44mm offset, Boost110, Maxle Stealth 15mm, 160mm travel
• Suspension: RockShox Super Deluxe Ultimate RC2T, 205x65mm
• Max fork travel compatible: 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 lock: Bontrager Switch thru-axle, removable lever
• Tire:
  • 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 component: Bontrager TLR Sealant, 6oz
• Nipple protector: Bontrager TLR
• Max tire size: Frame: 27.5x2.60", Fork: Check the manufacturer's specs

ELECTRONIC SYSTEM

• Battery: Bosch PowerTube 800Wh, intelligent system
• Charger: Bosch standard 4A, 230V, intelligent system
• Controller: Bosch BRC3100 system controller, intelligent system
• Motor: Bosch Performance Line CX, max assistance 20mph/32km/h (max assistance 25km/h in EU and APAC)

DRIVETRAIN

• Rear derailleur: SRAM X0 Eagle AXS, T-Type
• Crankset: SRAM X0 Eagle, 160mm length
• Cassette: SRAM Eagle XS-1295, T-Type, 10-52, 12-speed
• Chain: SRAM X0 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, 45mm length
• Headset: Integrated cartridge bearing, 1-1/8" upper, 1.5" lower, compatible with adjustable-angle headset cup
• Brake: SRAM Code Silver, 4-piston hydraulic disc
• Brake rotor:
  • Size: S, M, L, XL - SRAM 6-bolt, 200mm
  • Size: S, M, L, XL - SRAM HS2, 6-bolt, 220mm
• Max brake rotor size: Frame: 220mm, Fork: see fork manufacturer specs

ACCESSORIES

• Mudguards: Custom Trek 27.5” mudguard

WEIGHT

• Weight: M - 23.98 kg / 52.87 lbs (with TLR sealant, without inner tube)
• Weight limit: This model has a maximum total limit (combined weight of bike, rider, and load) 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.