Electric Full Suspension MTB
Trek Rail 9.8 GX AXS Gen 3
RAIL 9.8 GX AXS IS A LONG-TRAVEL CARBON E-MTB THAT RIPS LIKE OUR BEEFIEST TRAIL RIGS AND POWERS YOU RIGHT BACK UP THE MOUNTAIN. YOU GET UPGRADED EVERYTHING, INCLUDING THE FRAME FOR MAXIMUM FUN ON THE GNARLIEST RUNS. BOSCH'S LATEST TECH WITH THE NEW SMART SYSTEM PERFORMANCE LINE CX THAT HAS A LONGER-RANGE 750WH BATTERY AND COOL FEATURES THAT TAKE YOUR RIDE TO THE NEXT LEVEL LIKE ACTIVITY TRACKING, NAVIGATION, AND BLUETOOTH CONNECTIVITY.
OVERVIEW
It's right for you if...
You’re looking for a long-travel carbon e-MTB with wireless electronic shifting and a lot of battery power. You want the stability of a longer reach, the plush feel of high-end suspension, and the very latest e-bike tech with the new Bosch smart system.
The tech you get
An upgraded OCLV Mountain Carbon frame with longer reach and oversized head tube and seat tube for maximum strength. An extra-long-range 750Wh battery, a super responsive RockShox ZEB Select+ fork, and RockShox Super Deluxe Ultimate Thru Shaft shock. You get SRAM GX AXS wireless electronic shifting and the latest from Bosch with smart system Performance Line CX, including the new Bluetooth® LED remote for easy connectivity and all-in-one navigation and activity tracking through the eBike Flow app.
The final word
This bike features across-the-board upgrades that make it a serious ripper—especially the AXS drivetrain. It's built for hammering gnarly descents, then flying right back up again thanks to the powerful Bosch motor, 750Wh battery, and parts that can keep up with all that rowdy riding.
SPECS
| *Please note - spec applies to all sizes unless listed separately | |
| Frameset | |
| Frame |
NEW OCLV Mountain Carbon main frame, 1.8'' lower head tube, Removable Integrated Battery (RIB), Knock Block 2.0, guided internal routing, 34.9mm seat tube, magnesium rocker link, Motor Armor, Mino Link, ABP, Boost148, 12mm thru axle, 150mm travel
|
| Fork |
RockShox ZEB Select+, DebonAir spring, Charger 2.1 RC damper, eMTB optimized crown, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 160mm travel
|
| Shock |
RockShox Super Deluxe Ultimate RT3, DebonAir spring, Thru Shaft 3-position damper, 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
|
|
| Tire part | Bontrager TLR sealant, 6oz |
| Rim strip | Bontrager TLR |
| Max tire size | Frame: 29x2.60", Fork: See manufacturer |
| E-system | |
| Battery | Bosch PowerTube 750Wh, smart system |
| Charger | Bosch standard 4A, 110V, smart system |
|
*Computer
|
Size: M, L, XL Bosch Kiox 300, smart system |
| Size: M, L, XL Bosch LED remote, smart system |
|
| Motor | Bosch Performance Line CX, smart system, magnesium motor body, 85 Nm |
| Drivetrain | |
| Shifter | SRAM GX Eagle AXS, 12 speed |
| Rear derailleur | SRAM GX Eagle AXS |
| Crank | SRAM X1 1000, 34T, 165mm length |
| Chainring | SRAM X-SYNC 2, 34T, alloy |
| Cassette | SRAM Eagle XG-1275, 10-52, 12 speed |
| Chain | SRAM GX Eagle, 12 speed |
| Pedal | VP-536 nylon platform |
| Max chainring size | 1x: 34T |
| Components | |
| Saddle | Bontrager Arvada, austenite rails, 138mm width |
|
*Seatpost
|
Size: M Bontrager Line Elite Dropper, 150mm travel, MaxFlow, internal routing, 34.9mm, 440mm length |
|
Size: L Bontrager Line Elite Dropper, 170mm travel, MaxFlow, internal routing, 34.9mm, 485mm length |
|
|
Size: XL Bontrager Line Elite Dropper, 200mm travel, MaxFlow, internal routing, 34.9mm, 550mm length |
|
| Handlebar | Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 780mm width |
| Grips | Bontrager XR Trail Elite, nylon lock-on |
| Stem | Bontrager Line Pro, 35mm, Blendr compatible, 0 degree, 45mm length |
| Headset | Knock Block Integrated, cartridge bearing, 1-1/8'' top, 1.8'' bottom |
| Brake | SRAM Code R 4-piston hydraulic disc |
|
*Brake rotor
|
Size: M, L, XL SRAM CenterLine, 6-bolt, round edge, 220mm |
|
Size: M, L, XL SRAM CenterLine, 6-bolt, round edge, 200mm |
|
| Weight | |
| Weight | M - 23.40 kg / 51.59 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).
|
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" |
| Frame size letter | M | M | L | L | XL | XL |
| Geometry position | Low | High | Low | High | Low | High |
| Wheel size | 29" | 29" | 29" | 29" | 29" | 29" |
| A — Seat tube | 42 | 42 | 45 | 45 | 50 | 50 |
| B — Seat tube angle | 70.8° | 71.2° | 70.8° | 71.2° | 70.8° | 71.2° |
| Effective seat tube angle | 76.7° | 77.1° | 76.7° | 77.1° | 76.7° | 77.1° |
| C — Head tube length | 11 | 11 | 12.5 | 12.5 | 14 | 14 |
| D — Head angle | 64.2° | 64.6° | 64.2° | 64.6° | 64.2° | 64.6° |
| E — Effective top tube | 60.1 | 60 | 63.9 | 63.8 | 67.3 | 67.1 |
| F — Bottom bracket height | 34.1 | 34.6 | 34.1 | 34.6 | 34.1 | 34.6 |
| G — Bottom bracket drop | 3.3 | 2.7 | 3.3 | 2.7 | 3.3 | 2.7 |
| H — Chainstay length | 44.8 | 44.7 | 44.8 | 44.7 | 44.8 | 44.7 |
| I — Offset | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 |
| J — Trail | 13.3 | 13 | 13.3 | 13 | 13.3 | 13 |
| K — Wheelbase | 123.6 | 123.6 | 127.8 | 127.7 | 131.4 | 131.3 |
| L — Standover | 76.8 | 77.3 | 76.5 | 77 | 76.3 | 76.8 |
| M — Frame reach | 45.2 | 45.6 | 48.7 | 49.1 | 51.7 | 52.1 |
| N — Frame stack | 63.3 | 62.9 | 64.6 | 64.3 | 66 | 65.6 |
All measurements provided in cm unless otherwise noted.




