Trek Rail+ 9.9 XO AXS
Details
Rail+ 9.9 is our top carbon enduro e-MTB made for your most epic adventures. Its robust carbon frame packs 160mm 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 800Wh 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 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 (85Nm, 250W), and a massive 800Wh RIB 2.0 removable integrated battery. A 160mm 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
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.
Why you'll love it
- Rail+ delivers adventure with plenty of travel and power for getting after epic rides that take you peak to peak or chasing endless enduro laps
- You get upgraded everything – suspension, drivetrain, wheels, and beyond
- You can tweak your geometry and suspension leverage rate for how you ride, and add in adjustable angle headset cups (sold separately) for even more adjustability
- The powerful Bosch Performance CX system goes full gas up steep climbs and keeps you cool for the descents
- The massive 800Wh RIB 2.0 battery supports you for big miles and can be easily removed for travel or storage
Wheel Sizing:
Size Small - 27.5-inch
Size Medium - X-Large - 29-inch front / 27.5-inch rear
This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).
| Frame size | Small | Small | Medium | Medium | Large | Large | X-Large | X-Large |
|---|---|---|---|---|---|---|---|---|
| Geometry position | High | Low | High | Low | High | Low | High | Low |
| Wheel size | 27.5" | 27.5" | 29"/27.5" | 29"/27.5" | 29"/27.5" | 29"/27.5" | 29"/27.5" | 29"/27.5" |
| Seat tube | 38 | 38 | 41 | 41 | 43.5 | 43.5 | 47 | 47 |
| Seat tube angle | 75.3° | 74.8° | 75.3° | 74.8° | 75.2° | 74.8° | 75.2° | 74.8° |
| Effective seat tube angle | 77.9° | 77.4° | 77.7° | 77.2° | 77.5° | 77.0° | 77.4° | 76.9° |
| Head tube length | 10 | 10 | 10 | 10 | 12 | 12 | 14.5 | 14.5 |
| Head angle | 65.0° | 64.5° | 65.0° | 64.5° | 65.0° | 64.5° | 64.9° | 64.5° |
| Effective top tube | 56.2 | 56.3 | 59.1 | 59.2 | 63.9 | 63.9 | 67 | 67 |
| Bottom bracket height | 34.4 | 33.8 | 34.5 | 33.8 | 34.5 | 33.8 | 34.5 | 33.8 |
| Bottom bracket drop | 1.2 | 1.8 | 1.8 | 2.4 | 1.8 | 2.4 | 1.7 | 2.4 |
| Chainstay length | 44.6 | 44.8 | 44.6 | 44.8 | 44.6 | 44.8 | 44.6 | 44.8 |
| Offset | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 |
| Trail | 11.9 | 12.2 | 12.7 | 13.1 | 12.7 | 13.1 | 12.7 | 13.1 |
| Wheelbase | 120.1 | 127.8 | 122.9 | 123 | 127.7 | 127.8 | 131.3 | 131.4 |
| Standover | 76.7 | 76.2 | 78.4 | 77.8 | 78.5 | 77.9 | 80.4 | 79.8 |
| Frame reach | 43.5 | 43 | 45.5 | 45 | 49.5 | 49 | 52 | 51.5 |
| Frame stack | 59.8 | 59.4 | 63.1 | 62.7 | 64.9 | 64.5 | 67.2 | 66.7 |
| Frame Size | Rider Height (cm) | Rider Height (in) |
|---|---|---|
| Small | 155 - 165 | 5'1" - 5'5" |
| Medium | 165 - 176 | 5'5" - 5'9" |
| Large | 177 - 188 | 5'10" - 6'2" |
| X-Large | 188 - 195 | 6'2" - 6'5" |
Specs
| Frame | OCLV Mountain Carbon, Removable Integrated Battery (RIB 2.0), tapered head tube, guided internal routing, Motor Armor, angle-adjust headset, Mino Link adjustable geometry, adjustable leverage rate, 34.9mm seat tube, ABP, UDH Boost148, 12 mm thru axle, 160 mm travel |
|---|---|
| Fork | Rockshox ZEB Ultimate, DebonAir spring, Charger 3.1 RC2 damper, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 160mm travel |
| Rear Shock | RockShox Super Deluxe Ultimate RC2T, 205x65mm |
| Wheels |
Small Front: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 27.5'' Size Medium - X-Large Front: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29'' Rear: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD driver, Boost148, 12mm thru axle, 27.5'' |
| Tires |
Small Front: Bontrager Brevard RSL SE, Tubeless Ready, triple compound, aramid bead, 60 tpi, 27.5x2.50'' Medium - X-Large Front: Bontrager Brevard RSL SE, Tubeless Ready, triple compound, aramid bead, 60 tpi, 29x2.50'' Rear: Bontrager Brevard RSL SE, Tubeless Ready, triple compound, aramid bead, 60 tpi, 27.5x2.50'' |
| Crankset | SRAM X0 Eagle, 160mm length |
| Rear Derailleur | SRAM X0 Eagle AXS, T-Type |
| Cassette/Freewheel | SRAM Eagle XS-1295, T-Type, 10-52, 12 speed |
| Chain | SRAM X0 Eagle, T-Type, 12 speed |
| Brakes | SRAM Code Silver 4-piston hydraulic disc |
| Rotors |
SRAM 6-bolt, 200mm SRAM HS2, 6-bolt, 220mm |
| Handlebars | Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 780mm width |
| Tape/Grips | Bontrager XR Trail Elite, nylon lock-on |
| Stem | Bontrager Line Pro, 35mm, Blendr compatible, 0 degree, 45mm length |
| Seatpost |
RockShox Reverb AXS, 100mm travel, wireless, 34.9mm, 340mm length RockShox Reverb AXS, 170mm travel, wireless, 34.9mm, 480mm length |
| Saddle | Verse Short Comp, steel rails, 145mm width |
| Pedals | VP-536 nylon platform |
| Motor | Bosch Performance Line CX, 20 mph / 32 km/h max assist (25 km/h max assist in EU and APAC) |
| Battery | Bosch PowerTube 800Wh, smart system |
| Controller/Display | Bosch System Controller BRC3100, smart system |
| Charger | Bosch standard 4A, 230V, smart system |
* Subject to change without notice.
Part Numbers
| Option | UPC | MPN |
|---|---|---|
| Pennyflake / Small / 27.5-Inch | 197216166795 | 5332589 |
| Pennyflake / Medium / 29-inch front / 27.5-inch rear | 197216166801 | 5332590 |
| Pennyflake / Large / 29-inch front / 27.5-inch rear | 197216166818 | 5332591 |
| Pennyflake / X-Large / 29-inch front / 27.5-inch rear | 197216166825 | 5332592 |
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