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Full Suspension MTB
Trek Top Fuel 9.9 XX AXS T-Type
SKU5315209
Top Fuel 9.9 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 component package with a low-weight carbon frame for one unbelievably fun rig that's fast on flow and fun to ride on techy singletrack.
OVERVIEW
It's right for you if...
You’re looking for a do-it-all full suspension mountain bike that's efficient and fast, but doesn't shy away from some bigger stuff. You want the added stiffness and weight savings of a carbon frame, and want parts packed with performance advantages.
The tech you get
A light and stiff OCLV Mountain Carbon frame, 130mm RockShox Pike Ultimate fork with DebonAir spring and Charger 3 RC2 damper, 120mm of rear travel with a RockShox Deluxe Ultimate RCT shock, and SRAM's wireless 12-speed XX AXS direct-mount transmission that's as light as it is precise. Plus, wide carbon Bontrager Line Elite 30 wheels with a 108-tooth Rapid Drive hub for instant engagement, 4-piston brakes for confident descents, a RockShox Reverb AXS Dropper, and carbon handlebar/stem combo.
The final word
Top Fuel 9.9 is a performance-built carbon down-country bike with top-tier parts that give you noticeable benefits on the trail, like more speed from the carbon wheels, more grip from the ultra-smooth suspension, and incredible shifting performance from SRAM's wireless XX AXS transmission.
SPECS
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*Please note - spec applies to all sizes unless listed separately
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| Frameset | |
| Frame |
OCLV Mountain Carbon, internal storage, tapered head tube, Knock Block 2.0, internal guided routing, downtube guard, magnesium rocker link, Mino Link, ABP, Boost148, 120mm travel
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| Fork |
RockShox Pike Ultimate, DebonAir spring, Charger 3 RC2 damper, 44mm offset, Boost110, Maxle Stealth, 130mm travel
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| Shock |
RockShox Deluxe Ultimate RCT, 185mm x 50mm
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| Max compatible fork travel |
130mm (541mm axle-to-crown)
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| Wheels | |
| Wheel front |
Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29''
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| Wheel rear |
Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD driver, Boost148, 12mm thru axle, 29''
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| Tire |
Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120tpi, 29x2.40''
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| Rim strip | Bontrager TLR |
| Max tire size |
Frame: 29x2.50", Fork: See manufacturer
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| E-system | |
| Battery |
SRAM eTap battery pack (with charger)
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| Drivetrain | |
| Shifter |
SRAM AXS POD Ultimate, paired with dropper
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| Rear derailleur |
SRAM XX SL Eagle AXS, T-Type
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| Crank |
SRAM XX Eagle, DUB, 30T, T-Type, 55mm chainline, 170mm length
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| Bottom bracket |
SRAM DUB MTB Wide, 73mm, BSA threaded
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| Cassette |
SRAM Eagle XS-1299, T-Type, 10-52, 12 speed
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| Chain |
SRAM XX Eagle, T-Type, 12 speed
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| Max chainring size |
1x: 36T round, 34T oval, min 28T
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| Components | |
| Saddle |
Bontrager Arvada, austenite rails, 138mm width
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*Seatpost
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Size: S
RockShox Reverb AXS, 100mm travel, wireless, 34.9mm, 340mm length |
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Size: M, M/L
RockShox Reverb AXS, 150mm travel, wireless, 34.9mm, 440mm length |
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Size: L, XL
RockShox Reverb AXS, 170mm travel, wireless, 34.9mm, 480mm length |
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*Handlebar/stem (integrated)
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Size: S
Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5mm handlebar rise, 820mm width, 0 degree stem rise, 35mm stem length |
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Size: M, M/L, L, XL
Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5mm handlebar rise, 820mm width, 0 degree stem rise, 45mm stem length |
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| Brake |
SRAM Level Ultimate 4-piston hydraulic disc
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*Brake rotor
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Size: S, M, M/L, L, XL
SRAM HS2, 6-bolt, 160mm |
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Size: S, M, M/L, L, XL
SRAM HS2, 6-bolt, 180mm |
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| Rotor size |
Max brake rotor sizes - Frame: 180mm, Fork: see fork manufacturer
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| Weight | |
| Weight |
M - 12.65 kg / 27.89 lbs (with TLR sealant, no tubes)
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| Weight limit |
This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).
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We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, materials, and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice. Prices shown are manufacturer's suggested retail prices.
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Bike and frame weights are based off pre-production painted frames at time of publication. Weights may vary in final production.
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SIZING GUIDE AND GEOMETRY
| Size | Rider Height | Inseam |
|---|---|---|
| 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" |
All measurements provided in cm unless otherwise noted.
| Frame size number | 15.5" | 15.5" | 17.5" | 17.5" | 19.5" | 19.5" | 21.5" | 21.5" |
| Frame size letter | S | S | M | M | L | L | XL | XL |
| Geometry position | High | Low | High | Low | High | Low | High | Low |
| Wheel size | 29" | 29" | 29" | 29" | 29" | 29" | 29" | 29" |
| A — Seat tube | 39.5 | 39.5 | 42 | 42 | 45 | 45 | 50 | 50 |
| B — Seat tube angle | 69.9° | 69.5° | 69.9° | 69.5° | 69.9° | 69.6° | 69.9° | 69.6° |
| Effective seat tube angle | 75.9° | 75.5° | 75.9° | 75.5° | 75.9° | 75.6° | 75.9° | 75.6° |
| C — Head tube length | 10 | 10 | 10 | 10 | 11 | 11 | 12.5 | 12.5 |
| D — Head angle | 65.9° | 65.5° | 65.9° | 65.5° | 65.9° | 65.6° | 65.9° | 65.6° |
| E — Effective top tube | 56.9 | 57 | 59.9 | 60 | 63.1 | 63.2 | 65.4 | 65.5 |
| F — Bottom bracket height | 34.6 | 34.1 | 34.6 | 34.1 | 34.6 | 34.1 | 34.6 | 34.1 |
| G — Bottom bracket drop | 2.7 | 3.2 | 2.7 | 3.3 | 2.7 | 3.3 | 2.7 | 3.3 |
| H — Chainstay length | 43.4 | 43.5 | 43.4 | 43.5 | 43.4 | 43.5 | 43.4 | 43.5 |
| I — Offset | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 |
| J — Trail | 12 | 12.3 | 12 | 12.3 | 12 | 12.3 | 12 | 12.3 |
| K — Wheelbase | 115.3 | 115.4 | 118.3 | 118.4 | 121.7 | 121.8 | 124.4 | 124.4 |
| L — Standover | 72.4 | 71.9 | 74.4 | 73.9 | 75.4 | 74.9 | 76.4 | 75.9 |
| M — Frame reach | 41.9 | 41.5 | 44.9 | 44.5 | 47.9 | 47.5 | 49.9 | 49.5 |
| N — Frame stack | 59.6 | 59.9 | 59.6 | 59.9 | 60.5 | 60.8 | 61.9 | 62.2 |