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The Trek Rail 8 is the best eMTB with long-travel suspension, Bosch Performance Line CX motor, and 625Wh battery. With a wireless SRAM GX Eagle AXS drivetrain, it’s built for tough climbs and descents—ideal for serious mountain biking adventures.
The Trek Rail 8 is the best eMTB with long-travel suspension, Bosch Performance Line CX motor, and 625Wh battery. With a wireless SRAM GX Eagle AXS drivetrain, it’s built for tough climbs and descents—ideal for serious mountain biking adventures.
Trek

Trek Rail 8 GX AXS Electric Full Suspension Mountain Bike 2024 in Lava Red

£4,395.00 £7,000.00 37% off
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We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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Any item, except food, face masks or e-gift vouchers (full e-gift vouchers T&Cs are listed on the respective product pages) can be returned to us for any reason within 90 days, provided that the item has not been used or fitted and is returned in its original packaging with valid proof of purchase. It is recommended that you use a recorded delivery service to ensure your items are received by us. We cannot assume responsibility for items that are lost in the post.

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Items must be returned in their original packaging and unused. Refunds will be issued once the products have been received and inspected.

Click & Collect customers can buy with confidence knowing that they can review the item before deciding whether it is right for you before leaving the store. Should you decide it's not right for you, it can be conveniently exchanged or refunded straight away, or you still have up to 90 days to return it if you are still unsure.

Please note:

1. If the items we have sent you are faulty, damaged or not as we described, we will cover the cost of collection and the delivery of the correct item.

2. If we have delivered the correct bike but upon inspection, you decide the bike is not the one for you, we will charge you £24.99 for collection. If you do not have the original box, we will charge you an additional £15 to provide one.

Refunds will be processed using the same method of payment used for the original purchase. Credit & debit card refunds must be made to the card used for the original purchase.

We are unable to offer a refund without a valid receipt.

Trek Rail 8 GX AXS Electric Full Suspension Mountain Bike 2024 in Lava Red

Season:2024

Brand:Trek

Code:41527RED

The Rail 8 is Trek's top-of-the-line alloy electric mountain bike with long-travel suspension. It features a suspension set-up and parts worthy of the gnarliest enduro runs, and the powerful Bosch drive system will get you back up the mountain faster than you ever thought possible. It comes decked out with a wireless SRAM AXS drivetrain for reliable shifting that stays crisp under load.

You're after a do-anything long-travel e-MTB that can handle it all. You want serious power for steep punches or long fire roads, and the benefit of upgraded suspension on the downs. Plus, SRAM's latest wireless transmission for clean shifts and durability that you can count on.

A burly alloy frame with a 625 Wh Removable Integrated Battery, 160 mm RockShox Domane RC fork with beefy 38 mm stanchions, DebonAir spring and Motion Control damper, a 150 mm RockShox Deluxe Select+ shock, Bosch's smart system Performance Line CX for support up to 20 mph, a Bluetooth® LED remote for connectivity and activity tracking through the eBike Flow app. A wireless SRAM GX Eagle AXS transmission, and tubeless-ready Bontrager Line Comp 30 29er wheels.

This Rail features upgrades in all the right places – suspension, drivetrain, dropper and more. If you’re looking for an alloy electric mountain bike that’s spec’d to take on anything, the Rail 8 is the ride for you.

Please note: Size Small frames come with a curved top tube for improved standover height.

Key Features & Benefits:

  • 160mm front and 150mm Rear Suspension:Eats up the rough stuff
  • New Bosch Performance Line CX Motor:Lighter and more powerful.
  • 625Wh Removable Battery:Will keep you riding for longer.

Full Specification:

  • Frame:Alpha Platinum Aluminium, Removable Integrated Battery (RIB), tapered head tube, Control Freak internal routing, magnesium rocker link, Motor Armour, Mino Link, ABP, Boost148, 12 mm thru axle, 150 mm travel
  • Rear Suspension:RockShox Deluxe Select+ RT, 230mm x 57.5mm
  • Fork:RockShox Domain RC, DebonAir, Motion Control damper, lockout, tapered steerer, 44mm offset, oversized crown for eMTB, Boost110, 15mm Maxle Stealth, 160mm travel
  • Motor:NEW Bosch Performance Line CX, smart system, magnesium motor body, 85 Nm
  • Battery:Bosch PowerTube 625Wh, smart system
  • Controller:Bosch System Controller BRC3100, smart system
  • Charger:Bosch standard 4A, 230V, smart system
  • Number of Gears:12
  • Gear Shifters:SRAM AXS POD
  • Chainset:SRAM GX, 160 mm length
  • Chainrings:SRAM XX T-Type, 34T, steel
  • Rear Cassette:SRAM Eagle XS-1275, T-Type,10-52, 12-speed
  • Chain:SRAM GX Eagle, T-Type, 12-speed
  • Front Derailleur:N/A
  • Rear Derailleur:SRAM GX Eagle AXS, T-Type
  • Bottom Bracket:N/A
  • Pedals:VP-536 nylon platform
  • Front Wheel:Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 29"
  • Rear Wheel:Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12mm thru axle, 29"
  • Front Tyre:Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 60 tpi, 29x2.50"
  • Rear Tyre:Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 60 tpi, 29x2.50"
  • Brakes:SRAM DB 8 4-piston hydraulic disc
  • Handlebars:Bontrager Line, alloy, 35 mm, 27.5 mm rise, 780 mm width
  • Handlebar Grips/Tape:Bontrager XR Trail Elite, nylon lock-on
  • Headset:Knock Block Integrated, cartridge bearing, 1-1/8" top, 1.5"
  • Stem:Bontrager Elite, 35 mm, 0-degree, 45 mm length
  • Saddle:Bontrager Arvada, hollow chromoly rails, 138 mm width
  • Seatpost:Bontrager Line Dropper, 100 - 150 mm travel, internal routing, 31.6 mm, 345 - 440mm length
  • Accessories:N/A
  • Weight:M- 23.70 kg / 52.25 lbs (with TLR sealant, no tubes)

Manufacturers reserve the right to change specifications without notice based on availability at the point of assembly.

Sizing Chart for Trek Rail Electric Bike

Frame SizeRider Height (cm)Rider Height (')Inseam (cm)Inseam (")
S153 - 1675'0.0" - 5'6.0"72 - 7928.3 - 30.7
M161 - 1755'3.0" - 5'8.9"76 - 8230.3 - 32.7
L174 - 1885'8.9" - 6'2"82 - 8832.3 - 34.6
XL186 - 1966'1.2" - 6'5.6"87 - 9234.3 - 36.6

Geometry Information for Trek Rail with Bosch Smart System

Frame size letterMMLLXLXL
Geometry positionLowHighLowHighLowHigh
Wheel size29"29"29"29"29"29"
A — Seat tube424245455050
B — Seat tube angle70.8°71.2°70.8°71.2°70.8°71.2°
Effective seat tube angle76.7°77.1°76.7°77.1°76.7°77.1°
C — Head tube length111112.512.51414
D — Head angle64.2°64.6°64.2°64.6°64.2°64.6°
E — Effective top tube60.16063.963.867.367.1
F — Bottom bracket height34.134.634.134.634.134.6
G — Bottom bracket drop3.32.73.32.73.32.7
H — Chainstay length44.844.744.844.744.844.7
I — Offset4.34.34.34.34.34.3
J — Trail13.31313.31313.313
K — Wheelbase123.6123.6127.8127.7131.4131.3
L — Standover76.877.376.57776.376.8
M — Frame reach45.245.648.749.151.752.1
N — Frame stack63.362.964.664.36665.6

Geometry Information for Trek Rail Gen 2

Frame size number15.515.517.517.519.519.521.521.5
Frame size letterSSMMLLXLXL
Geometry positionLowHighLowHighLowHighLowHigh
Wheel size29"29"29"29"29"29"29"29"
A — Seat tube4141424245455050
B — Seat tube angle67.6°68.0°67.6°68.0°67.6°68.0°67.6°68.0°
Effective seat tube angle75.0°75.4°75.0°75.4°75.0°75.4°75.0°75.4°
C — Head tube length10.510.510.510.511111212
D — Head angle64.5°64.9°64.5°64.9°64.5°64.9°64.5°64.9°
E — Effective top tube58.858.761.361.163.463.366.666.5
F — Bottom bracket height33.934.433.934.433.934.433.934.4
G — Bottom bracket drop3.52.93.52.93.52.93.52.9
H — Chainstay length44.844.744.844.744.844.744.844.7
I — Offset4.34.34.34.34.34.34.34.3
J — Trail13.112.713.112.713.112.713.112.7
K — Wheelbase119.6119.5122.1122124.3124.3127.8127.7
L — Standover74.374.877.377.876.276.777.578
M — Frame reach4242.544.54546.54749.549.9
N — Frame stack62.662.362.662.26362.763.963.6

Warranty Information for Trek:

Lifetime warranty on Frame sets (frame and rigid fork), main frame and full suspension swing arms for the lifetime of the original owner, and Bontrager wheels with carbon rims.

2-year warranty on Rear suspension linkage components, including bearings, rocker link and accompanying hardware and components, Bontrager wheels with alloy rims, Paint and transfers.

For full warranty policy please visit trekbikes.com

Manufacturers reserve the right to change specifications without notice based on availability at the point of assembly.


Sizing Information
Trek Sizing Guide
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