Trek Fuel Ex 9.8 Gx Axs Gen 5 Mountain Bike
Will my bike have a curved top tube?
Smaller frames (XS and S) have a top tube that dips down as it approaches the seat tube. This design makes for a lower standover height, which is good for shorter riders because it allows them to straddle their bike more easily. Larger frames (M and up) have a straight top tube because taller riders with longer legs typically don’t have the same issues with standover height.
Internal Storage
Internal frame storage makes it easy to ditch the pack and still carry your ride essentials.
Active Braking Pivot
Active Braking Pivot allows our engineers to tune how the suspension reacts to acceleration and braking forces independently. That means you get more confident control when you need it most.
RE:aktiv with Thru Shaft
RE:aktiv with Thru Shaft gives you unmatched grip and control with a shock that reacts to the terrain faster than anything else out there.
Straight Shot w/Knock Block
Trek’s Straight Shot frame design optimizes the stiffness-to-weight ratio for a more responsive ride. You’ll be able to push harder and stay more planted on your line when the going gets rough.
| Frame | OCLV Mountain Carbon main frame & stays, internal storage, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armor, ISCG 05, magnesium rocker link, Mino Link, ABP, Boost148, 130mm travel |
|---|---|
| Fork | Fox Performance 36, Float EVOL air spring, GRIP damper, tapered steerer, 44mm offset, Boost110, 15mm Kabolt axle, 140mm travel |
| *Shock | Size: XS , S Fox Performance Float EVOL, RE:aktiv with Thru Shaft 3-position damper, tuned by Trek Suspension Lab, 210mm x 52.5mm |
| Size: S , M , ML , L , XL Fox Performance Float EVOL, RE:aktiv with Thru Shaft 3-position damper, tuned by Trek Suspension Lab, 210mm x 55mm | |
| Max compatible fork travel | 150mm (561mm axle-to-crown) |
| Wheel front | Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle |
|---|---|
| Wheel rear | Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD driver, Boost148, 12mm thru axle |
| Hub front | Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15mm thru axle |
| Hub rear | Bontrager alloy, sealed bearing, 6-bolt, 108T Rapid Drive, SRAM XD driver, Boost148, 12mm thru axle |
| Skewer rear | Bontrager Switch thru axle, removable lever |
| Rim | Bontrager Line Elite 30, Tubeless Ready |
| *Tire | Size: XS , S Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120tpi, 27.5×2.40” |
| Size: XS , S Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 27.5×2.60” | |
| Size: S , M , ML , L , XL Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120tpi, 29×2.40” | |
| Size: S , M , ML , L , XL Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 29×2.60” | |
| Tire part | Bontrager TLR sealant, 6oz |
| Rim strip | Bontrager TLR |
| Max tire size | Frame: 29×2.60″, Fork: See manufacturer |
| Shifter | SRAM GX Eagle AXS, 12 speed |
|---|---|
| Rear derailleur | SRAM GX Eagle AXS |
| *Crank | Size: XS , S SRAM GX Eagle, DUB, 30T alloy ring, Boost (52mm chainline), 170mm length |
| Size: M , ML , L , XL SRAM GX Eagle, DUB, 30T alloy ring, Boost (52mm chainline), 175mm length | |
| Bottom bracket | SRAM DUB, 92mm, PressFit |
| Cassette | SRAM Eagle XG-1275, 10-52, 12 speed |
| Chain | SRAM GX Eagle, 12 speed |
| Max chainring size | 1x: 34T |
| Saddle | Bontrager Arvada, austenite rails, 138mm width |
|---|---|
| *Seatpost | Size: XS , S Bontrager Line Elite, 100mm travel, MaxFlow, internal routing, 31.6mm, 340mm length |
| Size: M , ML Bontrager Line Elite, 150mm travel, MaxFlow, internal routing, 31.6mm, 440mm length | |
| Size: L , XL Bontrager Line Elite, 170mm travel, MaxFlow, internal routing, 31.6mm, 480mm length | |
| Handlebar | Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 780mm width |
| Grips | Bontrager XR Trail Elite, nylon lock-on |
| *Stem | Size: XS , S Bontrager Line Pro, 35mm, Knock Block, Blendr compatible, 0 degree, 35mm length |
| Size: M , ML , L , XL 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 | SRAM G2 RS 4-piston hydraulic disc |
| *Brake rotor | Size: XS , S , M , ML , L , XL SRAM CenterLine, 6-bolt, round edge, 180mm |
| Size: M , ML , L , XL SRAM CenterLine, 6-bolt, round edge, 200mm |
| Bag | Bontrager BITS Internal Frame Storage Bag |
|---|
| Weight | M – 13.21 kg / 29.13 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). |
| Size | Rider Height | Inseam |
|---|---|---|
| XS | 145 – 155 cm 4’9″ – 5’1″ | 69 – 73 cm 27″ – 29″ |
| 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″ |
| M/L | 173 – 180 cm 5’8″ – 5’11” | 81 – 86 cm 32″ – 34″ |
| 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″ |
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