< GO BACK
Electric Full Suspension MTB
Trek Rail 8 GX AXS T-Type Gen 3
SKU5300441
Rail 8 is our top-of-the-line alloy electric mountain bike with long-travel suspension. It features a suspension setup 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.
OVERVIEW
It's right for you if...
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 you can count on.
The tech you get
A burly alloy frame with a 625Wh Removable Integrated Battery, 160mm RockShox Domane RC fork with beefy 38mm stanchions, DebonAir spring and Motion Control damper, a 150mm RockShox Deluxe Select+ shock, Bosch's smart system Performance Line CX for support up to 20mph, 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.
The final word
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, Rail 8 is the ride for you.
SPECS
|
E-system is certified by an accredited testing laboratory as compliant with UL 2849.
|
|
|
*Please note - spec applies to all sizes unless listed separately
|
|
| Frameset | |
| Frame |
Alpha Platinum Aluminum, Removable Integrated Battery (RIB), tapered head tube, Control Freak internal routing, magnesium rocker link, Motor Armor, Mino Link, ABP, Boost148, 12mm thru axle, 150mm travel
|
| Fork |
RockShox Domain RC, DebonAir, Motion Control damper, lockout, tapered steerer, 44mm offset, oversized crown for eMTB, Boost110, 15mm Maxle Stealth, 160mm travel
|
| Shock |
RockShox Deluxe Select+ RT, 230mm x 57.5mm
|
| Max compatible fork travel |
170mm (580mm axle-to-crown)
|
| Wheels | |
| Wheel front |
Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29''
|
| Wheel rear |
Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12mm thru axle, 29''
|
| Skewer rear |
Bontrager Switch thru axle, removable lever
|
| Tire |
Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 60 tpi, 29x2.50''
|
| Tire part |
Bontrager TLR sealant, 6oz
|
| Rim strip | Bontrager TLR |
| Max tire size |
Frame: 29x2.60", Fork: See manufacturer
|
| E-system | |
| Battery |
Bosch PowerTube 625Wh, smart system
|
| Charger |
Bosch standard 4A, 110V, smart system
|
| Computer |
Bosch LED remote, smart system
|
| Motor |
Bosch Performance Line CX, smart system, magnesium motor body, 85 Nm
|
| Drivetrain | |
| Shifter |
SRAM AXS POD
|
| Rear derailleur |
SRAM GX Eagle AXS, T-Type
|
| Crank |
SRAM GX, 160mm length
|
| Chainring |
SRAM XX T-Type, 34T, steel
|
| Cassette |
SRAM Eagle XS-1275, T-Type,10-52, 12 speed
|
| Chain |
SRAM GX Eagle, T-Type, 12 speed
|
| Pedal |
VP-536 nylon platform
|
| Max chainring size | 1x: 34T |
| Components | |
| Saddle |
Bontrager Verse P3, chromoly rails
|
|
*Seatpost
|
Size: S
Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 31.6mm, 310mm length |
|
Size: M
Bontrager Line Dropper, 150mm travel, MaxFlow, internal routing, 31.6mm, 410mm length |
|
|
Size: L, XL
Bontrager Line Dropper, 170mm travel, MaxFlow, internal routing, 31.6mm, 450mm length |
|
| Handlebar |
Bontrager Rhythm Comp, alloy, 31.8mm, 15mm rise, 780mm width
|
| Grips |
Bontrager XR Trail Elite, nylon lock-on
|
| Stem |
Bontrager Rhythm Comp, 31.8mm, 0 degree, 50mm length
|
| Headset |
Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8'' top, 1.5'' bottom
|
| Brake |
SRAM DB 8 4-piston hydraulic disc
|
|
*Brake rotor
|
Size: S, M, L, XL
SRAM CenterLine, 6-bolt, round-edge, 180mm |
|
Size: S, M, L, XL
SRAM CenterLine, 6-bolt, round edge, 200mm |
|
| Rotor size |
Max brake rotor sizes - Frame: 200mm, Fork: see fork manufacturer
|
| Weight | |
| Weight |
M - 23.70 kg / 52.25 lbs (with TLR sealant, no tubes)
|
| Weight limit |
This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).
|
|
We reserve 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, colors, materials, and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice. Prices shown are manufacturer's suggested retail prices.
|
|
|
Bike and frame weights are based off pre-production painted frames at time of publication. Weights may vary in final production.
|
SIZING GUIDE AND GEOMETRY
| Size | Rider Height | Inseam |
|---|---|---|
| S |
155 - 165 cm 5'1" - 5'5" |
74 - 78 cm 29" - 31" |
| M |
165 - 176 cm 5'5" - 5'9" |
79 - 83 cm 31" - 33" |
| L |
177 - 188 cm 5'10" - 6'2" |
84 - 89 cm 33" - 35" |
| XL |
188 - 195 cm 6'2" - 6'5" |
89 - 91 cm 35" - 36" |
All measurements provided in cm unless otherwise noted.
| Frame size number | 15.5" | 15.5" | 17.5" | 17.5" | 19.5" | 19.5" | 21.5" | 21.5" |
| Frame size letter | S | S | M | M | L | L | XL | XL |
| Geometry position | High | Low | High | Low | High | Low | High | Low |
| Wheel size | 29" | 29" | 29" | 29" | 29" | 29" | 29" | 29" |
| A — Seat tube | 41 | 41 | 42 | 42 | 45 | 45 | 50 | 50 |
| B — Seat tube angle | 68.0° | 67.6° | 68.0° | 67.6° | 68.0° | 67.6° | 68.0° | 67.6° |
| Effective seat tube angle | 75.4° | 75.0° | 75.4° | 75.0° | 75.4° | 75.0° | 75.4° | 75.0° |
| C — Head tube length | 10.5 | 10.5 | 10.5 | 10.5 | 11 | 11 | 12 | 12 |
| D — Head angle | 64.9° | 64.5° | 64.9° | 64.5° | 64.9° | 64.5° | 64.9° | 64.5° |
| E — Effective top tube | 58.7 | 58.8 | 61.1 | 61.3 | 63.3 | 63.4 | 66.5 | 66.6 |
| F — Bottom bracket height | 34.4 | 33.9 | 34.4 | 33.9 | 34.4 | 33.9 | 34.4 | 33.9 |
| G — Bottom bracket drop | 2.9 | 3.5 | 2.9 | 3.5 | 2.9 | 3.5 | 2.9 | 3.5 |
| H — Chainstay length | 44.7 | 44.8 | 44.7 | 44.8 | 44.7 | 44.8 | 44.7 | 44.8 |
| I — Offset | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 |
| J — Trail | 12.7 | 13.1 | 12.7 | 13.1 | 12.7 | 13.1 | 12.7 | 13.1 |
| K — Wheelbase | 119.5 | 119.6 | 122 | 122.1 | 124.3 | 124.3 | 127.7 | 127.8 |
| L — Standover | 74.8 | 74.3 | 77.8 | 77.3 | 76.7 | 76.2 | 78 | 77.5 |
| M — Frame reach | 42.5 | 42 | 45 | 44.5 | 47 | 46.5 | 49.9 | 49.5 |
| N — Frame stack | 62.3 | 62.6 | 62.2 | 62.6 | 62.7 | 63 | 63.6 | 63.9 |