Trek Rail+ 8 Gen 5 - Lithium/Gloss Black Splatter

This trail-ready mountain e-bike delivers a perfect balance of performance and rugged utility, making it an excellent match for weekend trail exploration, multi-day bikepacking adventures, or a rock-solid daily driver. Equipped with a premium RockShox Lyrik suspension fork to absorb bumps and trail chatter, this model features an advanced Alpha Platinum Aluminium frame with trail-smoothing Active Braking Pivot (ABP) technology and Mino Link adjustable geometry, a crisp-shifting 12-speed SRAM Eagle T-Type wireless electronic drivetrain, a seamless and ultra-quiet Bosch smart drive system, and a factory-spec Bontrager Line Dropper post for instant on-the-fly saddle adjustments.

Specifications

Frameset & Suspension

• Frame: Alpha Platinum Aluminium, Removable Integrated Battery (RIB 2.0) system architecture, tapered head tube, guided internal cable routing, integrated Motor Armor shielding, angle-adjust headset, Mino Link adjustable geometry chip, adjustable leverage rate, 34.9 mm seat tube, Active Braking Pivot (ABP), UDH (Universal Derailleur Hanger), Boost148 spacing, 12 mm thru axle, 160 mm travel capacity format.

• Fork: RockShox Lyrik, Delta RC, DebonAir+ spring, tapered alloy steerer, 44 mm offset, Boost110 spacing, 15 mm Maxle Stealth axle, 160 mm travel.

• Rear Shock: RockShox Super Deluxe, Linear XL (205 mm x 65 mm).

E-System Integration

• Motor: Bosch Performance Line CX, high-torque smart system output (Regional assistance limits: Europe and APAC up to 25 km/h, US and ROW up to 20 mph / 32 km/h).

• Battery: Bosch PowerTube 800 Wh, integrated smart system frame pack.

• Display / Computer: Bosch Kiox 400C premium layout with mini handlebar remote unit.

• Charger: Bosch standard 4A, 230V smart system wall charger.

• E-bike Classification: Class 1.

Drivetrain & Shifting (SRAM Eagle T-Type 1x12 Electronic)

• Shifter: SRAM Eagle 70, 12-speed electronic.

• Front Derailleur: N/A (1x Dedicated single-ring drivetrain layout).

• Rear Derailleur: SRAM Eagle 70, T-Type direct-mount wireless electronic.

• Cassette: SRAM Eagle XS-1270, T-Type, 10-52, 12-speed wide-range.

• Chain: SRAM Eagle 70, T-Type, 12-speed.

• Pedals: VP-536 nylon platform bodies.

• Crankset Configurations (FSA Alloy arm setup):

  • All Sizes: Dedicated 160 mm arm length.

• Max Chainring Limits: 1x configuration: Maximum 36T | 2x configuration: N/A | 3x configuration: N/A.

Brakes & Rotors

• Brakes: Shimano MT620 hydraulic disc system.

• Rotors: Shimano RT66, 6-bolt hub interface, heavy-duty 203 mm front and rear.

• Rotor Size Limits: Frame maximum capacity is 220 mm | Fork capacity: See specific fork manufacturer guidelines.

Wheels & Tyres

• Wheelset System (Bontrager Line TLR 30 rims, Tubeless-Ready, robust 28-hole drilling, Presta valves):

  • Front Configuration: Bontrager alloy hub, sealed bearings, alloy axle, 6-bolt disc interface, 110x15 mm thru axle.

  • Rear Configuration: Bontrager alloy hub, sealed bearings, 6-bolt disc interface, Rapid Drive 108 engagement system, Shimano freehub body, 148x12 mm thru axle.

• Rear Thru-Axle Skewer: Bontrager Switch thru axle, with integrated removable lever mechanism.

• Tyres standard by Size (Bontrager Brevard Pro XR, Tubeless Ready, dual compound, aramid folding bead, 60 tpi):

  • Size S: 27.5x2.50" configuration.

  • Sizes M, L, XL: 29x2.50" configuration.

• Included Tubeless Spares: Bontrager TLR rim strips and Bontrager TLR sealant (180 ml / 6 oz).

• Max Tyre Clearance: Frame limits at 27.5x2.60" | Fork clearance: See specific fork manufacturer guidelines.

Cockpit & Components

• Saddle: Bontrager Verse P3, durable steel rails.

• Handlebar Tape / Grips: Trek Line Comp, nylon dual lock-on system.

• Dropper Seatpost Integration (Bontrager Line Dropper internal dropper system, MaxFlow technology, 34.9 mm diameter):

  • Size S: 150 mm travel layout (410 mm total length).

  • Size M: 170 mm travel layout (450 mm total length).

  • Sizes L, XL: 200 mm travel layout (515 mm total length).

• Stem Geometry by Size (Bontrager Elite alloy, 35 mm clamp, 0-degree rise):

  • All Sizes: 45 mm length.

Sizing, Weight & Performance Limits

• Alpha Sizes Available: S, M, L, XL.

• Total Bike Weight: 24.68 kg / 54.42 lbs (Size M configuration setup with factory TLR sealant, no inner tubes).

• Weight Limit: This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lbs).

Included Accessories

• Mud Protection System: Trek custom integrated frame mudguard.

Please Note: We make every effort to ensure the accuracy of the specification information, but components are subject to change by the manufacturer at any time without prior notice due to ongoing factory running parts substitutions. Bike and frame weights are based on pre-production painted frames at time of publication; production variances may occur.