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The Rail+ 9.9 is Trek's top carbon enduro e-MTB made for your most epic adventures.
The Rail+ 9.9 is Trek's top carbon enduro e-MTB made for your most epic adventures.
Trek

Trek Rail+ 9.9 X0 AXS T-Type Gen 5 Electric Full Suspension Mountain Bike 2025 in Slate Grey

£11,000.00
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Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined
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Hassle free returns

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.

Online or in-store purchases can both be returned to any store free of charge or can be returned by post after completing the online returns form. If you are returning an item due to a fault, we will refund your postage.

If you wish to return your bike to us, please keep the box it arrived in and let us know using the returns form and we will arrange collection.


Customer Returns Form

If you wish to cancel, return or exchange an order please fill in the form below. Returns can be processed quicker if all required information is added.



Terms & Conditions

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+ 9.9 X0 AXS T-Type Gen 5 Electric Full Suspension Mountain Bike 2025 in Slate Grey

Season:2025

Brand:Trek

Code:48472GRY

The Rail+ 9.9 is Trek's top carbon enduro e-MTB made for your most epic adventures. Its robust carbon frame packs 160 mm of front and rear upgraded RockShox suspension and adjustable geometry you can tune to how and where you ride. It comes equipped with a Bosch CX Line motor that delivers serious torque for ripping up climbs and a huge 800 Wh RIB 2.0 removable integrated battery. It's topped off with all the bells and whistles you want – like carbon wheels and a wireless SRAM X0 transmission.

It's right for you if...

You want a big, power-packed e-bike that's built for massive adventure and doesn't skimp on choice parts. You need plenty of travel for rough and rowdy terrain, a powerful motor that crushes climbs and a massive battery to keep you going on your longest rides yet. Upgrades matter, and you want SRAM's top wireless transmission and the added benefit of a RockShox suspension package.

The tech you get

An OCLV Mountain Carbon frame with Bosch Performance CX system (85 Nm, 250 W) and a massive 800 Wh RIB 2.0 removable integrated battery. A 160 mm RockShox ZEB Ultimate fork with DebonAir spring and Charger 3 RC2 damper, and RockShox Super Deluxe rear shock. Tubeless Ready Bontrager Line Pro 30 carbon wheels, SRAM's X0 AXS wireless electronic transmission that shifts clean even under load, plus SRAM Maven hydraulic disc brakes for stopping on a dime and a RockShox Reverb AXS dropper post.

The final word

The Rail+ 9.9 is the cream of the crop for epic e-bike adventures. It delivers an upgraded suspension package, a powerful motor for crushing big climbs and a massive battery that keeps you going mile after mile, plus, RockShox TyreWiz. This beast of a bike is built to deliver your every dream.

Key Features & Benefits:

  • Carbon Frame:Lightweight & efficient for trail riding.
  • 12-Speed SRAM AXS Transmission:Perfect for all terrain and fully wireless.
  • 800 Wh Battery:Massive capacity from the 800 Wh RIB 2.0 removable integrated battery

Full Specification:

  • Frame:OCLV Mountain Carbon
  • Rear Shock:RockShox Super Deluxe Ultimate RC2T, 205x65 mm
  • Fork:RockShox ZEB Ultimate, DebonAir spring, Charger 3.1 RC2 damper, tapered steerer, 44 mm offset, Boost110, 15 mm Maxle Stealth, 160 mm travel
  • Motor:Bosch Performance Line CX, 20 mph (25 km/h in Europe)
  • Controller:Bosch System Controller BRC3100, smart system
  • Battery:800 Wh RIB 2.0 removable integrated battery.
  • Charger:Bosch standard 4A, 230V, smart system
  • Number of Gears:12
  • Gear Shifters:SRAM AXS
  • Chainset:SRAM X0 Eagle, 160 mm length
  • Chainrings:36T
  • Rear Cassette:SRAM Eagle XS-1295, T-Type, 10-52, 12-speed
  • Chain:SRAM X0 Eagle, T-Type, 12-speed
  • Front Derailleur:N/A
  • Rear Derailleur:SRAM X0 Eagle AXS, T-Type
  • Bottom Bracket:.
  • Pedals:VP-536 nylon platform
  • Rims:Bontrager Line Comp 30, Tubeless Ready, 6-bolt
  • Front Hub:Size: S - Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15 mm thru-axle, 27.5", Size: M, L, XL - Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15 mm thru-axle, 29"
  • Rear Hub:Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless-Ready, Rapid Drive 108, 6-bolt, Boost148, 12 mm thru axle
  • Front Tyre:Bontrager Brevard RSL SE, Tubeless Ready, triple compound, aramid bead, 60 tpi, 29x2.50"
  • Rear Tyre:Bontrager Brevard RSL SE, Tubeless Ready, triple compound, aramid bead, 60 tpi, 29x2.50"
  • Brakes:SRAM Code Silver 4-piston hydraulic disc
  • Handlebars:Bontrager Line Pro, OCLV Carbon, 35 mm, 27.5 mm rise, 780 mm width
  • Handlebar Grips:Bontrager XR Trail Elite, nylon lock-on
  • Headset:Integrated cartridge bearing, 1-1/8" top, 1.5" bottom, angle adjust cup compatible
  • Stem:Bontrager Line Pro, 35 mm, Blendr-compatible, 0-degree, 45 mm length
  • Saddle:Verse Short Comp, steel rails, 145 mm width
  • Seatpost:Size: S - RockShox Reverb AXS, 100 mm travel, wireless, 34.9 mm, 340 mm length, Size: M, L, XL - RockShox Reverb AXS, 170 mm travel, wireless, 34.9 mm, 480 mm length
  • Accessories:.
  • Weight:This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).
Manufacturers reserve the right to change specifications without notice based on availability at the point of assembly.

Sizing Chart for Trek Rail Gen 5

Frame SizeRider Height (cm)Rider Height (')Inseam (cm)Inseam (")
S155 - 165 cm5'1" - 5'5"74 - 78 cm29" - 31"
M165 - 176 cm5'5" - 5'9"79 - 83 cm31" - 33"
L177 - 188 cm5'10" - 6'2"84 - 89 cm33" - 35"
XL188 - 195 cm6'2" - 6'5"89 - 91 cm35" - 36"

Geometry Information for Trek Rail Gen 5

Frame size number15.5"15.5"17.5"17.5"19.5"19.5"21.5"21.5"
Frame size letterSSMMLLXLXL
Geometry positionHighLowHighLowHighLowHighLow
Wheel size27.5"27.5"29"/27.5"29"/27.5"29"/27.5"29"/27.5"29"/27.5"29"/27.5"
A —Seat tube3838414143.543.54747
B —Seat tube angle75.3°74.8°75.3°74.8°75.2°74.8°75.2°74.8°
Effective seat tube angle77.9°77.4°77.7°77.2°77.5°77.0°77.4°76.9°
C —Head tube length10101010121214.514.5
D —Head angle65.0°64.5°65.0°64.5°65.0°64.5°64.9°64.5°
E —Effective top tube56.256.359.159.263.963.96767
F —Bottom bracket height34.433.834.533.834.533.834.533.8
G —Bottom bracket drop1.21.81.82.41.82.41.72.4
H —Chainstay length44.644.844.644.844.644.844.644.8
I —Offset4.34.34.34.34.34.34.34.3
J —Trail11.912.212.713.112.713.112.713.1
K —Wheelbase120.1127.8122.9123127.7127.8131.3131.4
L —Standover76.375.877.576.977.576.979.877.9
M —Frame reach43.54345.54549.5495251.5
N —Frame stack59.859.463.162.764.964.567.266.7




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

Sizing Information
Trek Sizing Guide
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