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

Ideal for you!

Chase big rides on any terrain and you need an e-bike that can keep up. You want suspension capable of devouring roots and rocks, and a full-assist motor that won’t give up on challenging climbs. You’re looking for upgraded components where it matters most, like a carbon frame, an upgraded suspension package, and a completely wireless Shimano drivetrain.

The technology you get:

OCLV Mountain carbon frame with Bosch Performance CX system (85Nm, 250W) and a powerful removable integrated RIB 2.0 800Wh battery. FOX Performance Elite Float 38 fork with 160mm travel, Float EVOL spring, Grip X damper, and FOX Performance Elite Float X rear suspension. Bontrager Line Comp 30 Tubeless Ready wheels, SRAM GX AXS wireless drivetrain, SRAM CODE Bronze 4-piston hydraulic disc brakes, and internal cable routing telescoping seatpost.

The final word:

The Rail+ 9.8 is ready to take on epic adventures that will take you far beyond the usual limits. With ample travel to tackle the roughest terrain, a powerful motor to climb steep hills, and a mighty battery to accompany you mile after mile, this bike is built to take on any situation.

Why you'll love it:

• Rail+ offers travel and power levels that let you tackle epic adventures spanning from peak to peak or challenge endless enduro trails
• A series of updates where it matters most, such as the wireless SRAM drivetrain and the RockShox suspension package
• You can modify the geometry and leverage ratio of the suspension depending on your riding style and add new adjustable-angle headset cups (sold separately) for even more customization
• The powerful Bosch Performance CX system provides maximum performance on steep climbs and helps conserve precious energy on descents
• The powerful RIB 2.0 800Wh battery guarantees maximum support ride after ride and can easily be 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, adjustable Mino Link geometry, adjustable leverage ratio, 34.9mm seat tube, ABP, UDH Boost148, 12mm thru-axle, 160mm travel
• Fork: Fox Performance Elite Float 38, Float EVOL air spring, GRIP X damper, tapered head tube, 44mm offset, Boost110, Kabolt-X 15mm thru-axle, 160mm travel
• Suspension: Fox Performance Elite Float X, 2-position damper, 205mm x 65mm
  Max compatible fork travel: 180mm

WHEELS

• Front Wheel:
  - Size: S - Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru-axle, 27.5"
  - Size: M, L, XL - Bontrager Line Elite 30, OCLV Mountain carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru-axle, 29"
• Rear Wheel:
  - Size: S - Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12mm thru-axle, 27.5"
  - Size: M, L, XL - Bontrager Line Elite 30, OCLV Mountain carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD driver, Boost148, 12mm thru-axle, 27.5"
• Front Hub: Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15mm thru-axle
• Rear Axle: Bontrager Switch Thru Axle, removable lever
• Rim: Bontrager Line Elite 30, Tubeless Ready
• 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, 6oz
• Nipple Guard: Bontrager TLR
• Max tire size: Frame: 27.5x2.60", Fork: Check manufacturer's specs

ELECTRONIC SYSTEM

• Controller: Bosch BRC3100, smart system
• Motor: Bosch Performance Line CX, max assist 20mph/32km/h (max assist 25km/h in EU and APAC)

DRIVETRAIN

• Shifter: SRAM AXS POD
• Rear Derailleur: SRAM GX Eagle AXS, T-Type
• Crankset: SRAM GX, 160mm length
• Cassette: SRAM Eagle XS-1275, T-Type, 10-52, 12-speed
• Chain: SRAM GX Eagle, T-Type, 12-speed
• Pedals: Nylon VP-536 platform
• Max Chainring Size: 1x: 36T

COMPONENTS

• Saddle: Verse Short Comp, steel rails, 145mm width
• Seatpost:
  - Size: S - Bontrager Line telescopic seatpost, 150mm travel, MaxFlow, internal cable routing, 34.9mm, 410mm length
  - Size: M - Bontrager Line telescopic seatpost, 170mm travel, MaxFlow, internal cable routing, 34.9mm, 450mm length
  - Size: L, XL - Bontrager Line telescopic seatpost, 200mm travel, MaxFlow, internal cable routing, 34.9mm, 515mm 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
• Brakes: SRAM CODE Bronze, 4-piston hydraulic disc
• Brake Rotors:
  - Size: S, M, L, XL - SRAM 6-bolt, 200mm
  - Size: S, M, L, XL - SRAM HS2, 6-bolt, 220mm
• Max Disc Rotor Size: Frame: 220mm, Fork: Check fork manufacturer's specs

ACCESSORIES

• Fenders: Custom Trek 27.5” fenders

WEIGHT

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