-16% Sale!

Trek Rail+ 8 Gen 5 2026 | Dark Star

Original price was: £5,000.00.Current price is: £4,199.00.

Trek Rail+ 8 Gen 5 Electric Mountain BikeBuilt for Big TerrainA powerful long-travel electric mountain bike designed for steep climbs, tough descents and all-day adventures.Key HighlightsBosch Performance Line CX motor – 85 Nm (upgradeable to 100 Nm)800 Wh battery for all-day riding (Removeable)160 mm travel front and rear (Piggyback rear — Read More

GTIN (UPC): 24TREKRAIL8GEN525BLK Categories: , , , , Brand:

Spread the cost from £114.67 monthly*

Buying Guides

Description

Trek Rail+ 8 Gen 5 Electric Mountain Bike

Built for Big Terrain

A powerful long-travel electric mountain bike designed for steep climbs, tough descents and all-day adventures.

Key Highlights

  • Bosch Performance Line CX motor – 85 Nm (upgradeable to 100 Nm)
  • 800 Wh battery for all-day riding (Removeable)
  • 160 mm travel front and rear (Piggyback rear with lockout)
  • MX wheel setup for stability and agility
  • Enduro-ready frame with Active Braking Pivot

Strong Bosch Smart System Performance

The Rail+ 8 uses Bosch’s latest Smart System with the Performance Line CX motor for smooth, adaptive power.

  • Optional upgrade to 100 Nm torque via the Flow app
  • Large 800 Wh PowerTube battery for extended range
  • RIB 2.0 system for simple battery removal when charging or travelling

Built for Tough Riding

The Alpha Platinum Aluminium frame is engineered for aggressive trail use, featuring 160 mm of controlled rear travel and Trek’s Active Braking Pivot for improved grip on steep, rough terrain.

Confident Handling on Technical Ground

  • RockShox ZEB Select fork for stability in demanding terrain
  • Adjustable leverage rate for either a plush or more progressive suspension feel
  • MX wheel setup:
    • 29″ front for rollover and stability
    • 27.5″ rear for agility and responsive handling

Reliable, Trail-Ready Components

  • Shimano XT/SLX drivetrain for dependable shifting under load
  • SRAM DB8 4-piston brakes for consistent stopping power
  • Bosch Kiox 400C display with USB-C charging
  • Tubeless-ready wheels and long-travel dropper post

Sizing Guide

  • Small: 155–165 cm
  • Medium: 165–177 cm
  • Large: 177–188 cm
  • Extra Large: 188–195 cm

Who Is This Bike For?

The Trek Rail+ 8 Gen 5 is ideal for riders who want a powerful, confidence-boosting electric mountain bike built for demanding trails, steep climbs and long days exploring big terrain.

Bike specifications are advised by the manufacturer and can be subject to change without prior warning.

Please call our helpful sales team on 01539 821 443 or email us for the latest up-to-date product information.

Specification

Frame

Alpha Platinum Aluminium, 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

Rear Shock

RockShox Super Deluxe Select+ RT, 205mm x 65mm

Fork

RockShox ZEB Select, DebonAir spring, Charger RC damper, tapered steerer, 44 mm offset, Boost110, Maxle Stealth, 170 mm travel

Stem

Bontrager Elite, 35 mm, 0-degree, 45 mm length

Handle Bars

Bontrager Line, alloy, 35 mm, 27.5 mm rise, 780 mm width

Tape Grips

Bontrager XR Trail Comp, nylon lock-on

Brakes

SRAM DB 8 4-piston hydraulic disc

Rear Derailleur

Shimano XT M8100, long cage

Rear Hub

6-bolt, Boost110, 15 mm thru axle

Front Hub

6-bolt, Boost110, 15 mm thru axle

Shift Levers

Shimano SLX M7100, 12-speed

Cassette

Shimano Deore M6100, 10-51, 12-speed

Chainset

Shimano SLX M7100, 12-speed

Wheels

Bontrager Line Comp 30

Front Tyre

Bontrager Brevard Pro XR

Rear Tyre

Bontrager Brevard Pro XR

Saddle

Bontrager Verse P3, steel rails

Seat Post

Bontrager Line Dropper

Battery

Bosch PowerTube 800 Wh, smart system

Motor

Bosch Performance Line CX

Discipline

MTB

Material

Aluminium

Wheel size

29"

Electric

Yes

Season

2026

Add bike + kit to your basket

Add bike + kit to your basket

Checkout with V12 Finance with online acceptance

Checkout with V12 Finance with online acceptance

We contact you to confirm order and arrange shipping

We contact you to confirm order and arrange shipping

Please use our calculator below to help you see what finance options are available. To apply for finance, please select this option at the checkout.

Step 1:Choose your finance option

Please specify the finance option that you wish to choose.

From £114.67 per month.

Step 2:Choose your deposit amount

Please specify the deposit amount that you wish to pay.

The accepted value is between £0.00 and £1,259.70

Representative finance example

Amount of credit £4199.00. 48 monthly repayments of £114.67. Representative APR 14.90%. Total amount repayable £5504.16.
APR Fixed 14.90%
Installment Amount £114.67/month
Repayment Term 48 months
Total Interest Charged £1305.16
Deposit Amount £0.00

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