Trek Top Fuel 9.8 XT Bike
Top Fuel 9.8 is a full suspension carbon mountain bike for riders who don’t settle. Not for parts nor for one style of riding. It combines a high-end parts package with a low-weight carbon frame for one unbelievably fun rig that’s fast on flow and still fun to ride on techy singletrack.
Specifications
*spec applies to all sizes unless otherwise noted
Frameset
| Frame | OCLV Mountain Carbon main frame & stays, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armor, magnesium rocker link, Mino Link, ABP, Boost148, 115mm travel |
|---|---|
| Fork | RockShox SID Select+, DebonAir spring, Charger 2 RL damper, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 120mm travel |
| Shock | RockShox SID Luxe Ultimate, DebonAir spring, Ultimate RL damper, 190x45mm |
| Suspension lever | Bontrager Drop Lock remote |
Wheels
| Wheel front | Bontrager Kovee Elite 30 carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle |
|---|---|
| Wheel rear | Bontrager Kovee Elite 30 carbon, Tubeless Ready, 54T Rapid Drive, 6-bolt, Shimano MicroSpline freehub, Boost148, 12mm thru axle |
| Hub front | Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15mm thru axle |
| Skewer rear | Bontrager Switch thru axle, removable lever |
| Tire | Bontrager XR3 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120tpi, 29×2.40” |
| *Tire part | Size: S, M, M/L, L, XL Bontrager TLR valve, 50mm |
| Size: S, M, M/L, L, XL Bontrager TLR sealant |
|
| Rim strip | Bontrager TLR |
Drivetrain
| Shifter | Shimano XT M8100, 12 speed |
|---|---|
| Rear derailleur | Shimano XT M8100, long cage, 51T max cog |
| *Crank | Size: S Shimano XT M8100, 32T alloy ring, Boost (52mm chainline), 170mm length |
| Size: M, M/L, L, XL Shimano XT M8100, 32T alloy ring, Boost (52mm chainline), 175mm length |
|
| Bottom bracket | Shimano MT500, 92mm, PressFit |
| Cassette | Shimano XT M8100, 10-51, 12 speed |
| Chain | Shimano XT M8100, 12 speed |
| Max chainring size | 34T |
Components
| Saddle | Bontrager Montrose Elite, titanium rails, 138mm width |
|---|---|
| *Seatpost | Size: S Bontrager Line Elite Dropper, 100mm travel, internal routing, 31.6mm, 340mm length |
| Size: M, M/L 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, 15mm rise, 750mm width |
| Grips | Bontrager XR Trail Elite, alloy lock-on |
| *Stem | Size: S, M, M/L Bontrager Kovee Pro, 35mm, Knock Block, Blendr compatible, 13 degree, 60mm length |
| Size: L, XL Bontrager Kovee Pro, 35mm, Knock Block, Blendr compatible, 13 degree, 70mm length |
|
| Headset | Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8” top, 1.5” bottom |
| Brake | Shimano SLX M7000 hydraulic disc, 180mm front rotor, 160mm rear rotor |
| *Brake rotor | Size: S, M, M/L, L, XL Shimano RT66, 6-bolt, 180mm |
| Size: S, M, M/L, L, XL Shimano RT66, 160mm, 6-bolt |
Weight
| Weight | M – 11.83 kg / 26.08 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). |
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 – 172.0 cm
5’3.4″ – 5’7.7″
76.0 – 81.0 cm
29.9″ – 31.9″
M/L
165.5 – 179.0 cm
5’5.2″ – 5’10.5″
77.0 – 84.0 cm
30.3″ – 33.1″
L
177.0 – 188.0 cm
5’9.7″ – 6’2.0″
83.0 – 88.0 cm
32.7″ – 34.6″
XL
186.0 – 196.0 cm
6’1.2″ – 6’5.2″
87.0 – 92.0 cm
34.3″ – 36.2″
2XL
195.0 – 203.0 cm
6’4.8″ – 6’7.9″
92.0 – 95.0 cm
36.2″ – 37.4″
All measurements provided in cm unless otherwise noted.
| Frame size number | Frame size letter | Geometry position | Wheel size | A — Seat tube | B — Seat tube angle | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15.5 | S | High | 29″ | 39.4 | 68.5° | 75.5° | 9.0 | 68.0° | 56.3 | 34.3 | 3.0 | 43.4 | 4.4 | 10.3 | 111.7 | 73.1 | 41.0 | 59.0 |
| 15.5 | S | Low | 29″ | 39.4 | 68.0° | 75.0° | 9.0 | 67.5° | 56.4 | 33.7 | 3.6 | 43.5 | 4.4 | 10.7 | 111.7 | 72.5 | 40.5 | 59.4 |
| 17.5 | M | Low | 29″ | 41.9 | 68.0° | 75.0° | 9.0 | 67.5° | 59.9 | 33.7 | 3.6 | 43.5 | 4.4 | 10.7 | 115.2 | 73.0 | 44.0 | 59.4 |
| 17.5 | M | High | 29″ | 41.9 | 68.5° | 75.5° | 9.0 | 68.0° | 59.8 | 34.3 | 3.0 | 43.4 | 4.4 | 10.3 | 115.2 | 73.6 | 44.5 | 59.0 |
| 18.5 | ML | High | 29″ | 44.5 | 68.5° | 75.5° | 9.0 | 68.0° | 61.4 | 34.3 | 3.0 | 43.4 | 4.4 | 10.3 | 116.8 | 74.1 | 46.1 | 59.0 |
| 18.5 | ML | Low | 29″ | 44.5 | 68.0° | 75.0° | 9.0 | 67.5° | 61.5 | 33.7 | 3.6 | 43.5 | 4.4 | 10.7 | 116.8 | 73.5 | 45.6 | 59.4 |
| 19.5 | L | High | 29″ | 47.0 | 68.5° | 75.5° | 10.0 | 68.0° | 63.0 | 34.3 | 2.9 | 43.4 | 4.4 | 10.3 | 118.5 | 75.1 | 47.5 | 59.9 |
| 19.5 | L | Low | 29″ | 47.0 | 68.0° | 75.0° | 10.0 | 67.5° | 63.2 | 33.7 | 3.6 | 43.5 | 4.4 | 10.7 | 118.6 | 74.5 | 47.0 | 60.3 |
| 21.5 | XL | High | 29″ | 52.1 | 68.5° | 75.5° | 11.0 | 68.0° | 65.0 | 34.3 | 2.9 | 43.4 | 4.4 | 10.3 | 120.6 | 77.1 | 49.2 | 60.8 |
| 21.5 | XL | Low | 29″ | 52.1 | 68.0° | 75.0° | 11.0 | 67.5° | 65.1 | 33.7 | 3.6 | 43.5 | 4.4 | 10.7 | 120.7 | 76.5 | 48.7 | 61.2 |
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