2026 Trek Top Fuel RSL Gen 4 Mountain Bike
Features
- OCLV Mountain Carbon Frame
The Top Fuel RSL Gen 4 uses Trek’s premium carbon engineering for a lightweight, stiff, and race-ready platform. Perfect for fast XC courses and aggressive downcountry trails. - Efficient 120mm XC/Downcountry Suspension
With 120mm front and rear travel, the bike blends speed-focused pedaling efficiency with enhanced downhill capability. - Race-Optimized Geometry
A slackened head angle, steeper seat tube, longer reach, and shorter chainstays deliver the ideal balance of agility and stability for competitive XC and marathon riders. - RockShox SID Suspension Setup
Equipped with a RockShox SID Ultimate fork and SID Luxe Ultimate rear shock for ultra-precise damping and lightweight performance. - Integrated Storage System
Trek’s internal frame storage compartment allows riders to stash tools, snacks, or repair kits without extra bags. - Premium Carbon Wheelset
Lightweight Bontrager carbon wheels improve responsiveness, acceleration, and roll-over performance on fast XC trails. - Internal Cable Routing & Clean Design
Fully integrated cables provide a sleek aesthetic while protecting components from trail debris.
Specifications
| Frame |
Trek Top Fuel RSL Gen 4 OCLV Mountain Carbon 120mm rear travel Internal storage compartment Internal cable routing UDH-compatible |
|---|---|
| Fork |
RockShox SID Ultimate Travel: 120mm DebonAir Spring Charger Race Day damper 15x110 mm Boost |
| Rear Shock |
RockShox SID Luxe Ultimate 190x45 mm Lightweight XC-focused shock |
| Groupset | SRAM XX SL Eagle AXS / or X0 AXS T-Type (depending on build) |
| Rear Derailleur |
SRAM XX SL Eagle AXS or X0 T-Type Wireless shifting Hangerless interface (T-Type models) |
| Cassette |
SRAM XX SL Eagle or X0 Eagle 12-speed 10–52T range |
| Crankset |
SRAM XX SL / X0 Eagle Carbon crankarms 32T direct-mount chainring |
| Chain | SRAM Eagle Flattop / T-Type 12-speed |
| Brakes |
SRAM Level Ultimate Stealth 2-piston XC hydraulic disc brakes |
| Rotors |
SRAM Centerline Front: 180 mm Rear: 160 mm |
| Front Wheel |
Bontrager Kovee RSL Carbon 29" Tubeless Ready Lightweight XC design |
| Rear Wheel |
Bontrager Kovee RSL Carbon 29" Tubeless Ready RapidDrive hub engagement |
| Tyres |
Maxxis Rekon Race 29 x 2.35" EXO Tubeless Ready |
| Handlebar |
Bontrager RSL Integrated Bar/Stem Carbon Width: 760 mm Ultra-light XC-race cockpit |
| Stem | Integrated carbon cockpit (RSL bar/stem combo) |
| Saddle |
Bontrager Montrose Elite Titanium rails |
| Seatpost |
RockShox Reverb AXS XPLR Dropper Post Wireless actuation Travel: varies by frame size |
| Accessories |
Tubeless valves Integrated storage bag User manual Pedals not included |
2026 Trek Top Fuel RSL Gen 4 Mountain Bike
- Product Code: TRK10009VTR
2026 Trek Top Fuel RSL Gen 4 Mountain Bike
Features
- OCLV Mountain Carbon Frame
The Top Fuel RSL Gen 4 uses Trek’s premium carbon engineering for a lightweight, stiff, and race-ready platform. Perfect for fast XC courses and aggressive downcountry trails. - Efficient 120mm XC/Downcountry Suspension
With 120mm front and rear travel, the bike blends speed-focused pedaling efficiency with enhanced downhill capability. - Race-Optimized Geometry
A slackened head angle, steeper seat tube, longer reach, and shorter chainstays deliver the ideal balance of agility and stability for competitive XC and marathon riders. - RockShox SID Suspension Setup
Equipped with a RockShox SID Ultimate fork and SID Luxe Ultimate rear shock for ultra-precise damping and lightweight performance. - Integrated Storage System
Trek’s internal frame storage compartment allows riders to stash tools, snacks, or repair kits without extra bags. - Premium Carbon Wheelset
Lightweight Bontrager carbon wheels improve responsiveness, acceleration, and roll-over performance on fast XC trails. - Internal Cable Routing & Clean Design
Fully integrated cables provide a sleek aesthetic while protecting components from trail debris.
Specifications
| Frame |
Trek Top Fuel RSL Gen 4 OCLV Mountain Carbon 120mm rear travel Internal storage compartment Internal cable routing UDH-compatible |
|---|---|
| Fork |
RockShox SID Ultimate Travel: 120mm DebonAir Spring Charger Race Day damper 15x110 mm Boost |
| Rear Shock |
RockShox SID Luxe Ultimate 190x45 mm Lightweight XC-focused shock |
| Groupset | SRAM XX SL Eagle AXS / or X0 AXS T-Type (depending on build) |
| Rear Derailleur |
SRAM XX SL Eagle AXS or X0 T-Type Wireless shifting Hangerless interface (T-Type models) |
| Cassette |
SRAM XX SL Eagle or X0 Eagle 12-speed 10–52T range |
| Crankset |
SRAM XX SL / X0 Eagle Carbon crankarms 32T direct-mount chainring |
| Chain | SRAM Eagle Flattop / T-Type 12-speed |
| Brakes |
SRAM Level Ultimate Stealth 2-piston XC hydraulic disc brakes |
| Rotors |
SRAM Centerline Front: 180 mm Rear: 160 mm |
| Front Wheel |
Bontrager Kovee RSL Carbon 29" Tubeless Ready Lightweight XC design |
| Rear Wheel |
Bontrager Kovee RSL Carbon 29" Tubeless Ready RapidDrive hub engagement |
| Tyres |
Maxxis Rekon Race 29 x 2.35" EXO Tubeless Ready |
| Handlebar |
Bontrager RSL Integrated Bar/Stem Carbon Width: 760 mm Ultra-light XC-race cockpit |
| Stem | Integrated carbon cockpit (RSL bar/stem combo) |
| Saddle |
Bontrager Montrose Elite Titanium rails |
| Seatpost |
RockShox Reverb AXS XPLR Dropper Post Wireless actuation Travel: varies by frame size |
| Accessories |
Tubeless valves Integrated storage bag User manual Pedals not included |
- Brand: Trek
- Availability: In Stock
USD 4,800.00
Tags: Trek Mountain Bike

