Trek Rail 9.8 XT Bike
Rail 9.8 is a long-travel carbon electric mountain bike that rips just as hard as our beefiest trail rigs and powers you right back up the mountain. It features awesome upgrades to the suspension, drivetrain, and brakes for exceptional performance on the gnarliest runs.
Specifications
*spec applies to all sizes unless otherwise noted
Frameset
| Frame | OCLV Mountain Carbon main frame, Removable Integrated Battery (RIB), tapered head tube, Knock Block, Control Freak internal routing, 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 | NEW RockShox Super Deluxe Ultimate RT3, DebonAir spring, Thru Shaft 3-position damper, 230×57.5mm |
Wheels
| Wheel front | Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle |
|---|---|
| Wheel rear | Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 54, 6-bolt, Boost148, 12mm thru axle |
| Skewer rear | Bontrager Switch thru axle, removable lever |
| Tire | Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewall, aramid bead, 60 tpi, 29×2.60” |
| *Tire part | Size: S, M, L, XL Bontrager TLR valve, 50mm |
| Size: S, M, L, XL Bontrager TLR sealant |
Drivetrain
| Shifter | Shimano XT M8100, 12 speed |
|---|---|
| Rear derailleur | Shimano XT M8100, long cage, 51T max cog |
| Crank arm | E*thirteen E*spec Plus, 34T, 165mm length |
| Cassette | Shimano XT M8100, 10-51, 12 speed |
| Chain | Shimano XT M8100, 12 speed |
| Pedal | VP-536 nylon platform |
Components
| Saddle | Bontrager Arvada, austenite rails, 138mm width |
|---|---|
| *Seatpost | Size: S Bontrager Line Elite Dropper, 100mm travel, internal routing, 31.6mm, 340mm length |
| Size: M Bontrager Line Elite Dropper, 150mm travel, internal routing, 31.6mm, 440mm length |
|
| Size: L, XL Bontrager Line Elite Dropper, 170mm travel, internal routing, 31.6mm, 480mm length |
|
| Handlebar | Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 780mm width |
| Grips | Bontrager XR Trail Comp, nylon lock-on |
| Stem | Bontrager Line Pro, 35mm, Knock Block, Blendr compatible, 0 degree, 45mm length |
| Headset | Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8” top, 1.5” bottom |
| Brake | Shimano SLX M7120 4-piston hydraulic disc |
| Brake rotor | Shimano RT76, 203mm, 6-bolt |
Accessories
| Battery | Bosch PowerTube 625 |
|---|---|
| Charger | Bosch standard 4A (100-240V) charger |
| Controller | Bosch Kiox with Anti-theft solution |
| Motor | Bosch Performance CX, magnesium motor body, 250 watt, 85 Nm, 20mph or 32km/h max assist |
Weight
| Weight | M – 22.34 kg / 49.25 lbs (with tubes) |
|---|---|
| Weight limit | This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg). |
Sizing & fit
The charts below show our recommended sizes based on height, but there are some other factors, like arm and leg length, that determine a great fit. That’s why you’ll see some overlap in our recommendations. Not every rider who’s 5´8˝, for example, will fit on the same size bike. The best way to find your perfect fit is to consult the experts at your local retailer.
Rider Height
Inseam
S
153.0 – 166.5 cm
5’0.2″ – 5’5.6″
72.0 – 79.0 cm
28.3″ – 31.1″
M
161.0 – 175.0 cm
5’3.4″ – 5’8.9″
76.0 – 82.0 cm
29.9″ – 32.3″
L
174.0 – 188.0 cm
5’8.5″ – 6’2.0″
82.0 – 88.0 cm
32.3″ – 34.6″
XL
186.0 – 196.0 cm
6’1.2″ – 6’5.2″
87.0 – 92.0 cm
34.3″ – 36.2″
All measurements provided in cm unless otherwise noted.
| Frame size number | Frame size letter | Geometry position | Wheel size | A — Seat tube | Effective seat tube angle | C — Head tube length | D — Head angle | E — Effective top tube | F — Bottom bracket height | G — Bottom bracket drop | H — Chainstay length | I — Offset | J — Trail | K — Wheelbase | L — Standover | M — Frame reach | N — Frame stack | Stem length |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15.5 | S | High | 29″ | 41.0 | 75.0° | 10.5 | 64.9° | 58.7 | 34.4 | 2.9 | 44.7 | 4.3 | 12.7 | 119.5 | 75.8 | 42.5 | 62.3 | 4.0 |
| 15.5 | S | Low | 29″ | 41.0 | 75.0° | 10.5 | 64.5° | 58.8 | 33.9 | 3.5 | 44.8 | 4.3 | 13.1 | 119.6 | 75.3 | 42.0 | 62.6 | 4.0 |
| 17.5 | M | High | 29″ | 42.0 | 75.0° | 10.5 | 64.9° | 61.1 | 34.4 | 2.9 | 44.7 | 4.3 | 12.7 | 122.0 | 77.0 | 45.0 | 62.2 | 5.0 |
| 17.5 | M | Low | 29″ | 42.0 | 75.0° | 10.5 | 64.5° | 61.3 | 33.9 | 3.5 | 44.8 | 4.3 | 13.1 | 122.1 | 76.5 | 44.5 | 62.6 | 5.0 |
| 19.5 | L | High | 29″ | 45.0 | 75.0° | 11 | 64.9° | 63.3 | 34.4 | 2.9 | 44.7 | 4.3 | 12.7 | 124.3 | 76.7 | 47.0 | 62.7 | 5.0 |
| 19.5 | L | Low | 29″ | 45.0 | 75.0° | 11.0 | 64.5° | 63.4 | 33.9 | 3.5 | 44.8 | 4.3 | 13.1 | 124.3 | 76.2 | 46.5 | 63.0 | 5.0 |
| 21.5 | XL | High | 29″ | 50.0 | 75.0° | 12.0 | 64.9° | 66.5 | 34.4 | 2.9 | 44.7 | 4.3 | 12.7 | 127.7 | 76.5 | 49.9 | 63.6 | 5.0 |
| 21.5 | XL | Low | 29″ | 50.0 | 75.0° | 12.0 | 64.5° | 66.6 | 33.9 | 3.5 | 44.8 | 4.3 | 13.1 | 127.7 | 76.0 | 49.5 | 63.9 | 5.0 |
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