- Carbon Rail Gen 4 has the same enduro-inspired geometry and huge battery as the previous generation, but now it has a pocket in the top tube that makes Gen 4 compatible with Bosch’s integrated System Controller and Mini Remote
- Its clean cockpit is minimalist and sleek, and smart system makes it easy to add a display if you want more data
- Intelligent eMTB and Tour+ modes automatically adjust the assist based on your input to give you just the right amount of power for your ride
- SRAMs direct-mount T-Type wireless transmission delivers next level performance with precise shifts under load and unmatched durability
- Treks Removable Integrated Battery (RIB) system looks great and is super user-friendly: it fully hides the battery in the frame for protection, makes it easy remove the battery without tools, and lets you mount a water bottle cage
Bosch Performance Line CX motor
Bosch Performance Line CX sets the standard for eMTB performance with up to 85Nm of torque and an intelligent eMTB mode with Extended Boost that automatically adjusts the amount of assist based on the terrain.
Removable Integrated Battery
RIB is a one-piece battery and cover with a built-in handle that can easily be removed and re-installed in the frame with no tools and no hassle. It’s the most convenient way to remove your battery for transport, security, or just easier charging.
Bosch Mini Remote
The compact, ergonomic Mini Remote lets you easily change assist level, activate Walk mode, or turn on optional lights, all without moving your hand off the handlebar. Plus, its wireless and connects with your System Controller via Bluetooth
Transition to transmission
SRAM Eagle T-Type transmission mounts directly to the frame, skipping that pesky derailleur hanger of yesteryear. This makes for a more robust system thats not only cleaner looking, its also more precise under load, and easier to set up.
Bosch System Controller
The System Controller gives you a quick overview of your assist mode and battery level without distracting you from the ride. Its integrated into the top tube so its out of the way but still easy to see with LED indicators. It also connects to the eBike Flow app via Bluetooth for accessing ride stats and performing system updates.
RockShox AirWiz and Quarq TireWiz
TyreWiz monitors your tire pressure while AirWiz monitors your fork and shock pressure. Set your desired pressure in the SRAM AXS app and then just check the lights before each ride—red means you need a pump, green means go ride.
| Frame | OCLV Mountain Carbon main frame, 1.8 lower head tube, Bosch System Controller compatible, 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 Ultimate, AirWiz, DebonAir spring, Charger 3 RC2 damper, 1.8 oversized tapered steerer, eMTB optimized crown, 44mm offset, Boost110, 15mm Maxle Stealth, 160mm travel |
| Shock | RockShox Super Deluxe Thru Shaft, AirWiz, 230mm x 57.5mm |
| Wheel Front | Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29 / |
| Wheel Rear | Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD driver, Boost148, 12mm thru axle, 29 |
| Tire | Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50 // Bontrager SE6 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50 |
| Tire Part | Bontrager TLR sealant, 6oz // Quarq TyreWiz tire pressure monitors |
| Rim Strip | Bontrager TLR |
| Skewer Rear | Bontrager Switch thru axle, removable lever |
| Shifter | SRAM AXS POD Ultimate, paired with dropper // SRAM AXS POD Ultimate, paired with dropper |
| Rear Derailleur | SRAM X0 Eagle AXS, T-Type |
| Crank | SRAM X0 Eagle, 160mm length |
| Cassette | SRAM Eagle XS-1295, T-Type, 10-52, 12 speed |
| Chain | SRAM X0 Eagle, T-Type, 12 speed |
| Chainring | SRAM XX T-Type, 34T, steel |
| Brake | SRAM Code Silver 4-piston hydraulic disc // SRAM Code Silver 4-piston hydraulic disc |
| Brake Rotor | SRAM 6-bolt, 200mm // SRAM HS2, 6-bolt, 220mm |
| Pedal | VP-536 nylon platform |
| Saddle | Bontrager Arvada, austenite rails, 138mm width |
| Seatpost | RockShox Reverb AXS, 100mm travel, wireless, 34.9mm, 340mm length |
| Handlebar | Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5mm handlebar rise, 820mm width, 0 degree stem rise, 45mm stem length |
| Grips | Bontrager XR Trail Elite, nylon lock-on |
| Battery | Bosch PowerTube 625Wh, smart system // SRAM eTap battery pack (with charger) |
| Controller | Bosch System Controller BRC3100, smart system |
| Motor | Bosch Performance Line CX, smart system, magnesium motor body, 85 Nm |
| Charger | Bosch standard 4A, 110V, smart system |
Geometry Chart
| B B Drop | 2.7 |
| B B Height | 34.6 |
| Chainstay Length | 44.7 |
| Eff Seat Tube Angle | 77.1° |
| Eff Top Tube | 57.9 |
| Frame Reach | 43.6 |
| Frame Size Letter | S |
| Frame Size Number | 15.5" |
| Frame Stack | 62.5 |
| Head Angle | 64.6° |
| Head Tube Length | 10.5 |
| Offset | 4.3 |
| Position | High |
| Seat Tube | 41 |
| Seat Tube Angle | 71.2° |
| Standover | 76.1 |
| Trail | 13 |
| Wheelbase | 121.3 |
| Wheel Size | 29" |
| B B Drop | 2.7 |
| B B Height | 34.6 |
| Chainstay Length | 44.7 |
| Eff Seat Tube Angle | 77.1° |
| Eff Top Tube | 60 |
| Frame Reach | 45.6 |
| Frame Size Letter | M |
| Frame Size Number | 17.5" |
| Frame Stack | 62.9 |
| Head Angle | 64.6° |
| Head Tube Length | 11 |
| Offset | 4.3 |
| Position | High |
| Seat Tube | 42 |
| Seat Tube Angle | 71.2° |
| Standover | 77.3 |
| Trail | 13 |
| Wheelbase | 123.6 |
| Wheel Size | 29" |
| B B Drop | 2.7 |
| B B Height | 34.6 |
| Chainstay Length | 44.7 |
| Eff Seat Tube Angle | 77.1° |
| Eff Top Tube | 63.8 |
| Frame Reach | 49.1 |
| Frame Size Letter | L |
| Frame Size Number | 19.5" |
| Frame Stack | 64.3 |
| Head Angle | 64.6° |
| Head Tube Length | 12.5 |
| Offset | 4.3 |
| Position | High |
| Seat Tube | 45 |
| Seat Tube Angle | 71.2° |
| Standover | 77 |
| Trail | 13 |
| Wheelbase | 127.7 |
| Wheel Size | 29" |
| B B Drop | 2.7 |
| B B Height | 34.6 |
| Chainstay Length | 44.7 |
| Eff Seat Tube Angle | 77.1° |
| Eff Top Tube | 67.1 |
| Frame Reach | 52.1 |
| Frame Size Letter | XL |
| Frame Size Number | 21.5" |
| Frame Stack | 65.6 |
| Head Angle | 64.6° |
| Head Tube Length | 14 |
| Offset | 4.3 |
| Position | High |
| Seat Tube | 50 |
| Seat Tube Angle | 71.2° |
| Standover | 76.8 |
| Trail | 13 |
| Wheelbase | 131.3 |
| Wheel Size | 29" |
